From 16fe2e4405f2ae3aa72a85fd75dbbb835c6c1c4c Mon Sep 17 00:00:00 2001 From: michael Date: Tue, 23 Jun 2015 16:50:46 +0000 Subject: [PATCH] - Add --enable-warnings switch git-svn-id: svn://svn.ircd-hybrid.org/svnroot/hopm/branches/1.0.x@6184 82007160-df01-0410-b94d-b575c5fd34c7 --- Makefile.in | 7 +- aclocal.m4 | 5 + configure | 1816 +++++++++++++++++++++++++++++++++ configure.ac | 1 + doc/Makefile.in | 7 +- m4/ax_append_compile_flags.m4 | 65 ++ m4/ax_append_flag.m4 | 71 ++ m4/ax_arg_enable_warnings.m4 | 30 + m4/ax_check_compile_flag.m4 | 74 ++ m4/ax_require_defined.m4 | 37 + src/Makefile.in | 7 +- src/libopm/Makefile.in | 7 +- src/libopm/src/Makefile.in | 7 +- 13 files changed, 2129 insertions(+), 5 deletions(-) create mode 100644 m4/ax_append_compile_flags.m4 create mode 100644 m4/ax_append_flag.m4 create mode 100644 m4/ax_arg_enable_warnings.m4 create mode 100644 m4/ax_check_compile_flag.m4 create mode 100644 m4/ax_require_defined.m4 diff --git a/Makefile.in b/Makefile.in index 0e8e8f1..2b2a732 100644 --- a/Makefile.in +++ b/Makefile.in @@ -89,8 +89,13 @@ build_triplet = @build@ host_triplet = @host@ subdir = . ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 -am__aclocal_m4_deps = $(top_srcdir)/m4/ax_arg_enable_assert.m4 \ +am__aclocal_m4_deps = $(top_srcdir)/m4/ax_append_compile_flags.m4 \ + $(top_srcdir)/m4/ax_append_flag.m4 \ + $(top_srcdir)/m4/ax_arg_enable_assert.m4 \ + $(top_srcdir)/m4/ax_arg_enable_warnings.m4 \ + $(top_srcdir)/m4/ax_check_compile_flag.m4 \ $(top_srcdir)/m4/ax_library_net.m4 \ + $(top_srcdir)/m4/ax_require_defined.m4 \ $(top_srcdir)/m4/gcc_stack_protect.m4 \ $(top_srcdir)/m4/libtool.m4 $(top_srcdir)/m4/ltoptions.m4 \ $(top_srcdir)/m4/ltsugar.m4 $(top_srcdir)/m4/ltversion.m4 \ diff --git a/aclocal.m4 b/aclocal.m4 index 4986549..a21f637 100644 --- a/aclocal.m4 +++ b/aclocal.m4 @@ -1204,8 +1204,13 @@ AC_SUBST([am__tar]) AC_SUBST([am__untar]) ]) # _AM_PROG_TAR +m4_include([m4/ax_append_compile_flags.m4]) +m4_include([m4/ax_append_flag.m4]) m4_include([m4/ax_arg_enable_assert.m4]) +m4_include([m4/ax_arg_enable_warnings.m4]) +m4_include([m4/ax_check_compile_flag.m4]) m4_include([m4/ax_library_net.m4]) +m4_include([m4/ax_require_defined.m4]) m4_include([m4/gcc_stack_protect.m4]) m4_include([m4/libtool.m4]) m4_include([m4/ltoptions.m4]) diff --git a/configure b/configure index 2e1c312..045cafe 100755 --- a/configure +++ b/configure @@ -774,6 +774,7 @@ with_gnu_ld with_sysroot enable_libtool_lock enable_assert +enable_warnings ' ac_precious_vars='build_alias host_alias @@ -1420,6 +1421,7 @@ Optional Features: optimize for fast installation [default=yes] --disable-libtool-lock avoid locking (might break parallel builds) --enable-assert Enable assert() statements + --enable-warnings Enable compiler warnings. Optional Packages: --with-PACKAGE[=ARG] use PACKAGE [ARG=yes] @@ -12587,6 +12589,1820 @@ fi $as_echo "#define NDEBUG 1" >>confdefs.h +fi + + + # Check whether --enable-warnings was given. +if test "${enable_warnings+set}" = set; then : + enableval=$enable_warnings; warnings="$enableval" +else + warnings="no" +fi + + + if test "$warnings" = "yes"; then : + + + + + +for flag in -Wall; do + as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh` +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5 +$as_echo_n "checking whether C compiler accepts $flag... " >&6; } +if eval \${$as_CACHEVAR+:} false; then : + $as_echo_n "(cached) " >&6 +else + + ax_check_save_flags=$CFLAGS + CFLAGS="$CFLAGS $flag" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + eval "$as_CACHEVAR=yes" +else + eval "$as_CACHEVAR=no" +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + CFLAGS=$ax_check_save_flags +fi +eval ac_res=\$$as_CACHEVAR + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } +if eval test \"x\$"$as_CACHEVAR"\" = x"yes"; then : + +if ${CFLAGS+:} false; then : + + case " $CFLAGS " in #( + *" $flag "*) : + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5 + (: CFLAGS already contains $flag) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } ;; #( + *) : + + as_fn_append CFLAGS " $flag" + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + ;; +esac + +else + + CFLAGS=$flag + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + +fi + +else + : +fi + +done + + + + + +for flag in -Wbad-function-cast; do + as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh` +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5 +$as_echo_n "checking whether C compiler accepts $flag... " >&6; } +if eval \${$as_CACHEVAR+:} false; then : + $as_echo_n "(cached) " >&6 +else + + ax_check_save_flags=$CFLAGS + CFLAGS="$CFLAGS $flag" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + eval "$as_CACHEVAR=yes" +else + eval "$as_CACHEVAR=no" +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + CFLAGS=$ax_check_save_flags +fi +eval ac_res=\$$as_CACHEVAR + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } +if eval test \"x\$"$as_CACHEVAR"\" = x"yes"; then : + +if ${CFLAGS+:} false; then : + + case " $CFLAGS " in #( + *" $flag "*) : + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5 + (: CFLAGS already contains $flag) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } ;; #( + *) : + + as_fn_append CFLAGS " $flag" + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + ;; +esac + +else + + CFLAGS=$flag + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + +fi + +else + : +fi + +done + + + + + +for flag in -Wcast-align; do + as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh` +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5 +$as_echo_n "checking whether C compiler accepts $flag... " >&6; } +if eval \${$as_CACHEVAR+:} false; then : + $as_echo_n "(cached) " >&6 +else + + ax_check_save_flags=$CFLAGS + CFLAGS="$CFLAGS $flag" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + eval "$as_CACHEVAR=yes" +else + eval "$as_CACHEVAR=no" +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + CFLAGS=$ax_check_save_flags +fi +eval ac_res=\$$as_CACHEVAR + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } +if eval test \"x\$"$as_CACHEVAR"\" = x"yes"; then : + +if ${CFLAGS+:} false; then : + + case " $CFLAGS " in #( + *" $flag "*) : + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5 + (: CFLAGS already contains $flag) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } ;; #( + *) : + + as_fn_append CFLAGS " $flag" + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + ;; +esac + +else + + CFLAGS=$flag + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + +fi + +else + : +fi + +done + + + + + +for flag in -Wcast-qual; do + as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh` +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5 +$as_echo_n "checking whether C compiler accepts $flag... " >&6; } +if eval \${$as_CACHEVAR+:} false; then : + $as_echo_n "(cached) " >&6 +else + + ax_check_save_flags=$CFLAGS + CFLAGS="$CFLAGS $flag" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + eval "$as_CACHEVAR=yes" +else + eval "$as_CACHEVAR=no" +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + CFLAGS=$ax_check_save_flags +fi +eval ac_res=\$$as_CACHEVAR + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } +if eval test \"x\$"$as_CACHEVAR"\" = x"yes"; then : + +if ${CFLAGS+:} false; then : + + case " $CFLAGS " in #( + *" $flag "*) : + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5 + (: CFLAGS already contains $flag) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } ;; #( + *) : + + as_fn_append CFLAGS " $flag" + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + ;; +esac + +else + + CFLAGS=$flag + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + +fi + +else + : +fi + +done + + + + + +for flag in -Wclobbered; do + as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh` +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5 +$as_echo_n "checking whether C compiler accepts $flag... " >&6; } +if eval \${$as_CACHEVAR+:} false; then : + $as_echo_n "(cached) " >&6 +else + + ax_check_save_flags=$CFLAGS + CFLAGS="$CFLAGS $flag" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + eval "$as_CACHEVAR=yes" +else + eval "$as_CACHEVAR=no" +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + CFLAGS=$ax_check_save_flags +fi +eval ac_res=\$$as_CACHEVAR + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } +if eval test \"x\$"$as_CACHEVAR"\" = x"yes"; then : + +if ${CFLAGS+:} false; then : + + case " $CFLAGS " in #( + *" $flag "*) : + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5 + (: CFLAGS already contains $flag) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } ;; #( + *) : + + as_fn_append CFLAGS " $flag" + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + ;; +esac + +else + + CFLAGS=$flag + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + +fi + +else + : +fi + +done + + + + + +for flag in -Wempty-body; do + as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh` +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5 +$as_echo_n "checking whether C compiler accepts $flag... " >&6; } +if eval \${$as_CACHEVAR+:} false; then : + $as_echo_n "(cached) " >&6 +else + + ax_check_save_flags=$CFLAGS + CFLAGS="$CFLAGS $flag" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + eval "$as_CACHEVAR=yes" +else + eval "$as_CACHEVAR=no" +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + CFLAGS=$ax_check_save_flags +fi +eval ac_res=\$$as_CACHEVAR + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } +if eval test \"x\$"$as_CACHEVAR"\" = x"yes"; then : + +if ${CFLAGS+:} false; then : + + case " $CFLAGS " in #( + *" $flag "*) : + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5 + (: CFLAGS already contains $flag) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } ;; #( + *) : + + as_fn_append CFLAGS " $flag" + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + ;; +esac + +else + + CFLAGS=$flag + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + +fi + +else + : +fi + +done + + + + + +for flag in -Wignored-qualifiers; do + as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh` +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5 +$as_echo_n "checking whether C compiler accepts $flag... " >&6; } +if eval \${$as_CACHEVAR+:} false; then : + $as_echo_n "(cached) " >&6 +else + + ax_check_save_flags=$CFLAGS + CFLAGS="$CFLAGS $flag" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + eval "$as_CACHEVAR=yes" +else + eval "$as_CACHEVAR=no" +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + CFLAGS=$ax_check_save_flags +fi +eval ac_res=\$$as_CACHEVAR + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } +if eval test \"x\$"$as_CACHEVAR"\" = x"yes"; then : + +if ${CFLAGS+:} false; then : + + case " $CFLAGS " in #( + *" $flag "*) : + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5 + (: CFLAGS already contains $flag) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } ;; #( + *) : + + as_fn_append CFLAGS " $flag" + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + ;; +esac + +else + + CFLAGS=$flag + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + +fi + +else + : +fi + +done + + + + + +for flag in -Wlogical-op; do + as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh` +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5 +$as_echo_n "checking whether C compiler accepts $flag... " >&6; } +if eval \${$as_CACHEVAR+:} false; then : + $as_echo_n "(cached) " >&6 +else + + ax_check_save_flags=$CFLAGS + CFLAGS="$CFLAGS $flag" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + eval "$as_CACHEVAR=yes" +else + eval "$as_CACHEVAR=no" +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + CFLAGS=$ax_check_save_flags +fi +eval ac_res=\$$as_CACHEVAR + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } +if eval test \"x\$"$as_CACHEVAR"\" = x"yes"; then : + +if ${CFLAGS+:} false; then : + + case " $CFLAGS " in #( + *" $flag "*) : + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5 + (: CFLAGS already contains $flag) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } ;; #( + *) : + + as_fn_append CFLAGS " $flag" + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + ;; +esac + +else + + CFLAGS=$flag + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + +fi + +else + : +fi + +done + + + + + +for flag in -Wmissing-declarations; do + as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh` +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5 +$as_echo_n "checking whether C compiler accepts $flag... " >&6; } +if eval \${$as_CACHEVAR+:} false; then : + $as_echo_n "(cached) " >&6 +else + + ax_check_save_flags=$CFLAGS + CFLAGS="$CFLAGS $flag" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + eval "$as_CACHEVAR=yes" +else + eval "$as_CACHEVAR=no" +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + CFLAGS=$ax_check_save_flags +fi +eval ac_res=\$$as_CACHEVAR + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } +if eval test \"x\$"$as_CACHEVAR"\" = x"yes"; then : + +if ${CFLAGS+:} false; then : + + case " $CFLAGS " in #( + *" $flag "*) : + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5 + (: CFLAGS already contains $flag) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } ;; #( + *) : + + as_fn_append CFLAGS " $flag" + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + ;; +esac + +else + + CFLAGS=$flag + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + +fi + +else + : +fi + +done + + + + + +for flag in -Wmissing-field-initializers; do + as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh` +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5 +$as_echo_n "checking whether C compiler accepts $flag... 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" >&6; } +if eval \${$as_CACHEVAR+:} false; then : + $as_echo_n "(cached) " >&6 +else + + ax_check_save_flags=$CFLAGS + CFLAGS="$CFLAGS $flag" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + eval "$as_CACHEVAR=yes" +else + eval "$as_CACHEVAR=no" +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + CFLAGS=$ax_check_save_flags +fi +eval ac_res=\$$as_CACHEVAR + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } +if eval test \"x\$"$as_CACHEVAR"\" = x"yes"; then : + +if ${CFLAGS+:} false; then : + + case " $CFLAGS " in #( + *" $flag "*) : + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5 + (: CFLAGS already contains $flag) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } ;; #( + *) : + + as_fn_append CFLAGS " $flag" + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + ;; +esac + +else + + CFLAGS=$flag + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + +fi + +else + : +fi + +done + + + + + +for flag in -Wredundant-decls; do + as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh` +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5 +$as_echo_n "checking whether C compiler accepts $flag... " >&6; } +if eval \${$as_CACHEVAR+:} false; then : + $as_echo_n "(cached) " >&6 +else + + ax_check_save_flags=$CFLAGS + CFLAGS="$CFLAGS $flag" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + eval "$as_CACHEVAR=yes" +else + eval "$as_CACHEVAR=no" +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + CFLAGS=$ax_check_save_flags +fi +eval ac_res=\$$as_CACHEVAR + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } +if eval test \"x\$"$as_CACHEVAR"\" = x"yes"; then : + +if ${CFLAGS+:} false; then : + + case " $CFLAGS " in #( + *" $flag "*) : + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5 + (: CFLAGS already contains $flag) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } ;; #( + *) : + + as_fn_append CFLAGS " $flag" + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + ;; +esac + +else + + CFLAGS=$flag + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + +fi + +else + : +fi + +done + + + + + +for flag in -Wshadow; do + as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh` +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5 +$as_echo_n "checking whether C compiler accepts $flag... " >&6; } +if eval \${$as_CACHEVAR+:} false; then : + $as_echo_n "(cached) " >&6 +else + + ax_check_save_flags=$CFLAGS + CFLAGS="$CFLAGS $flag" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + eval "$as_CACHEVAR=yes" +else + eval "$as_CACHEVAR=no" +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + CFLAGS=$ax_check_save_flags +fi +eval ac_res=\$$as_CACHEVAR + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } +if eval test \"x\$"$as_CACHEVAR"\" = x"yes"; then : + +if ${CFLAGS+:} false; then : + + case " $CFLAGS " in #( + *" $flag "*) : + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5 + (: CFLAGS already contains $flag) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } ;; #( + *) : + + as_fn_append CFLAGS " $flag" + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + ;; +esac + +else + + CFLAGS=$flag + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + +fi + +else + : +fi + +done + + + + + +for flag in -Wsign-compare; do + as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh` +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5 +$as_echo_n "checking whether C compiler accepts $flag... " >&6; } +if eval \${$as_CACHEVAR+:} false; then : + $as_echo_n "(cached) " >&6 +else + + ax_check_save_flags=$CFLAGS + CFLAGS="$CFLAGS $flag" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + eval "$as_CACHEVAR=yes" +else + eval "$as_CACHEVAR=no" +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + CFLAGS=$ax_check_save_flags +fi +eval ac_res=\$$as_CACHEVAR + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } +if eval test \"x\$"$as_CACHEVAR"\" = x"yes"; then : + +if ${CFLAGS+:} false; then : + + case " $CFLAGS " in #( + *" $flag "*) : + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5 + (: CFLAGS already contains $flag) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } ;; #( + *) : + + as_fn_append CFLAGS " $flag" + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + ;; +esac + +else + + CFLAGS=$flag + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + +fi + +else + : +fi + +done + + + + + +for flag in -Wtype-limits; do + as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh` +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5 +$as_echo_n "checking whether C compiler accepts $flag... " >&6; } +if eval \${$as_CACHEVAR+:} false; then : + $as_echo_n "(cached) " >&6 +else + + ax_check_save_flags=$CFLAGS + CFLAGS="$CFLAGS $flag" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + eval "$as_CACHEVAR=yes" +else + eval "$as_CACHEVAR=no" +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + CFLAGS=$ax_check_save_flags +fi +eval ac_res=\$$as_CACHEVAR + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } +if eval test \"x\$"$as_CACHEVAR"\" = x"yes"; then : + +if ${CFLAGS+:} false; then : + + case " $CFLAGS " in #( + *" $flag "*) : + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5 + (: CFLAGS already contains $flag) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } ;; #( + *) : + + as_fn_append CFLAGS " $flag" + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + ;; +esac + +else + + CFLAGS=$flag + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + +fi + +else + : +fi + +done + + + + + +for flag in -Wundef; do + as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh` +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5 +$as_echo_n "checking whether C compiler accepts $flag... " >&6; } +if eval \${$as_CACHEVAR+:} false; then : + $as_echo_n "(cached) " >&6 +else + + ax_check_save_flags=$CFLAGS + CFLAGS="$CFLAGS $flag" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + eval "$as_CACHEVAR=yes" +else + eval "$as_CACHEVAR=no" +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + CFLAGS=$ax_check_save_flags +fi +eval ac_res=\$$as_CACHEVAR + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } +if eval test \"x\$"$as_CACHEVAR"\" = x"yes"; then : + +if ${CFLAGS+:} false; then : + + case " $CFLAGS " in #( + *" $flag "*) : + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5 + (: CFLAGS already contains $flag) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } ;; #( + *) : + + as_fn_append CFLAGS " $flag" + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + ;; +esac + +else + + CFLAGS=$flag + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + +fi + +else + : +fi + +done + + + + + +for flag in -Wuninitialized; do + as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh` +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5 +$as_echo_n "checking whether C compiler accepts $flag... " >&6; } +if eval \${$as_CACHEVAR+:} false; then : + $as_echo_n "(cached) " >&6 +else + + ax_check_save_flags=$CFLAGS + CFLAGS="$CFLAGS $flag" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + eval "$as_CACHEVAR=yes" +else + eval "$as_CACHEVAR=no" +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + CFLAGS=$ax_check_save_flags +fi +eval ac_res=\$$as_CACHEVAR + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } +if eval test \"x\$"$as_CACHEVAR"\" = x"yes"; then : + +if ${CFLAGS+:} false; then : + + case " $CFLAGS " in #( + *" $flag "*) : + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5 + (: CFLAGS already contains $flag) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } ;; #( + *) : + + as_fn_append CFLAGS " $flag" + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + ;; +esac + +else + + CFLAGS=$flag + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + +fi + +else + : +fi + +done + + + + + +for flag in -Wwrite-strings; do + as_CACHEVAR=`$as_echo "ax_cv_check_cflags__$flag" | $as_tr_sh` +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $flag" >&5 +$as_echo_n "checking whether C compiler accepts $flag... " >&6; } +if eval \${$as_CACHEVAR+:} false; then : + $as_echo_n "(cached) " >&6 +else + + ax_check_save_flags=$CFLAGS + CFLAGS="$CFLAGS $flag" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + eval "$as_CACHEVAR=yes" +else + eval "$as_CACHEVAR=no" +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + CFLAGS=$ax_check_save_flags +fi +eval ac_res=\$$as_CACHEVAR + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } +if eval test \"x\$"$as_CACHEVAR"\" = x"yes"; then : + +if ${CFLAGS+:} false; then : + + case " $CFLAGS " in #( + *" $flag "*) : + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS already contains \$flag"; } >&5 + (: CFLAGS already contains $flag) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } ;; #( + *) : + + as_fn_append CFLAGS " $flag" + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + ;; +esac + +else + + CFLAGS=$flag + { { $as_echo "$as_me:${as_lineno-$LINENO}: : CFLAGS=\"\$CFLAGS\""; } >&5 + (: CFLAGS="$CFLAGS") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + +fi + +else + : +fi + +done + + fi diff --git a/configure.ac b/configure.ac index 396c20b..fe24325 100644 --- a/configure.ac +++ b/configure.ac @@ -29,6 +29,7 @@ GCC_STACK_PROTECT_LIB AX_LIBRARY_NET AX_ARG_ENABLE_ASSERT +AX_ARG_ENABLE_WARNINGS AC_CHECK_FUNCS(strlcpy strlcat) diff --git a/doc/Makefile.in b/doc/Makefile.in index 4749e85..b65f0f2 100644 --- a/doc/Makefile.in +++ b/doc/Makefile.in @@ -90,8 +90,13 @@ build_triplet = @build@ host_triplet = @host@ subdir = doc ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 -am__aclocal_m4_deps = $(top_srcdir)/m4/ax_arg_enable_assert.m4 \ +am__aclocal_m4_deps = $(top_srcdir)/m4/ax_append_compile_flags.m4 \ + $(top_srcdir)/m4/ax_append_flag.m4 \ + $(top_srcdir)/m4/ax_arg_enable_assert.m4 \ + $(top_srcdir)/m4/ax_arg_enable_warnings.m4 \ + $(top_srcdir)/m4/ax_check_compile_flag.m4 \ $(top_srcdir)/m4/ax_library_net.m4 \ + $(top_srcdir)/m4/ax_require_defined.m4 \ $(top_srcdir)/m4/gcc_stack_protect.m4 \ $(top_srcdir)/m4/libtool.m4 $(top_srcdir)/m4/ltoptions.m4 \ $(top_srcdir)/m4/ltsugar.m4 $(top_srcdir)/m4/ltversion.m4 \ diff --git a/m4/ax_append_compile_flags.m4 b/m4/ax_append_compile_flags.m4 new file mode 100644 index 0000000..dc7b866 --- /dev/null +++ b/m4/ax_append_compile_flags.m4 @@ -0,0 +1,65 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_append_compile_flags.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_APPEND_COMPILE_FLAGS([FLAG1 FLAG2 ...], [FLAGS-VARIABLE], [EXTRA-FLAGS]) +# +# DESCRIPTION +# +# For every FLAG1, FLAG2 it is checked whether the compiler works with the +# flag. If it does, the flag is added FLAGS-VARIABLE +# +# If FLAGS-VARIABLE is not specified, the current language's flags (e.g. +# CFLAGS) is used. During the check the flag is always added to the +# current language's flags. +# +# If EXTRA-FLAGS is defined, it is added to the current language's default +# flags (e.g. CFLAGS) when the check is done. The check is thus made with +# the flags: "CFLAGS EXTRA-FLAGS FLAG". This can for example be used to +# force the compiler to issue an error when a bad flag is given. +# +# NOTE: This macro depends on the AX_APPEND_FLAG and +# AX_CHECK_COMPILE_FLAG. Please keep this macro in sync with +# AX_APPEND_LINK_FLAGS. +# +# LICENSE +# +# Copyright (c) 2011 Maarten Bosmans +# +# This program is free software: you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation, either version 3 of the License, or (at your +# option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +# Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program. If not, see . +# +# As a special exception, the respective Autoconf Macro's copyright owner +# gives unlimited permission to copy, distribute and modify the configure +# scripts that are the output of Autoconf when processing the Macro. You +# need not follow the terms of the GNU General Public License when using +# or distributing such scripts, even though portions of the text of the +# Macro appear in them. The GNU General Public License (GPL) does govern +# all other use of the material that constitutes the Autoconf Macro. +# +# This special exception to the GPL applies to versions of the Autoconf +# Macro released by the Autoconf Archive. When you make and distribute a +# modified version of the Autoconf Macro, you may extend this special +# exception to the GPL to apply to your modified version as well. + +#serial 4 + +AC_DEFUN([AX_APPEND_COMPILE_FLAGS], +[AX_REQUIRE_DEFINED([AX_CHECK_COMPILE_FLAG]) +AX_REQUIRE_DEFINED([AX_APPEND_FLAG]) +for flag in $1; do + AX_CHECK_COMPILE_FLAG([$flag], [AX_APPEND_FLAG([$flag], [$2])], [], [$3]) +done +])dnl AX_APPEND_COMPILE_FLAGS diff --git a/m4/ax_append_flag.m4 b/m4/ax_append_flag.m4 new file mode 100644 index 0000000..aeab899 --- /dev/null +++ b/m4/ax_append_flag.m4 @@ -0,0 +1,71 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_append_flag.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_APPEND_FLAG(FLAG, [FLAGS-VARIABLE]) +# +# DESCRIPTION +# +# FLAG is appended to the FLAGS-VARIABLE shell variable, with a space +# added in between. +# +# If FLAGS-VARIABLE is not specified, the current language's flags (e.g. +# CFLAGS) is used. FLAGS-VARIABLE is not changed if it already contains +# FLAG. If FLAGS-VARIABLE is unset in the shell, it is set to exactly +# FLAG. +# +# NOTE: Implementation based on AX_CFLAGS_GCC_OPTION. +# +# LICENSE +# +# Copyright (c) 2008 Guido U. Draheim +# Copyright (c) 2011 Maarten Bosmans +# +# This program is free software: you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation, either version 3 of the License, or (at your +# option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +# Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program. If not, see . +# +# As a special exception, the respective Autoconf Macro's copyright owner +# gives unlimited permission to copy, distribute and modify the configure +# scripts that are the output of Autoconf when processing the Macro. You +# need not follow the terms of the GNU General Public License when using +# or distributing such scripts, even though portions of the text of the +# Macro appear in them. The GNU General Public License (GPL) does govern +# all other use of the material that constitutes the Autoconf Macro. +# +# This special exception to the GPL applies to versions of the Autoconf +# Macro released by the Autoconf Archive. When you make and distribute a +# modified version of the Autoconf Macro, you may extend this special +# exception to the GPL to apply to your modified version as well. + +#serial 5 + +AC_DEFUN([AX_APPEND_FLAG], +[dnl +AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_SET_IF +AS_VAR_PUSHDEF([FLAGS], [m4_default($2,_AC_LANG_PREFIX[FLAGS])]) +AS_VAR_SET_IF(FLAGS,[ + AS_CASE([" AS_VAR_GET(FLAGS) "], + [*" $1 "*], [AC_RUN_LOG([: FLAGS already contains $1])], + [ + AS_VAR_APPEND(FLAGS," $1") + AC_RUN_LOG([: FLAGS="$FLAGS"]) + ]) + ], + [ + AS_VAR_SET(FLAGS,[$1]) + AC_RUN_LOG([: FLAGS="$FLAGS"]) + ]) +AS_VAR_POPDEF([FLAGS])dnl +])dnl AX_APPEND_FLAG diff --git a/m4/ax_arg_enable_warnings.m4 b/m4/ax_arg_enable_warnings.m4 new file mode 100644 index 0000000..347bd0d --- /dev/null +++ b/m4/ax_arg_enable_warnings.m4 @@ -0,0 +1,30 @@ +AC_DEFUN([AX_ARG_ENABLE_WARNINGS],[ + AC_ARG_ENABLE([warnings],[AS_HELP_STRING([--enable-warnings],[Enable compiler warnings.])],[warnings="$enableval"],[warnings="no"]) + + AS_IF([test "$warnings" = "yes"], [ + AX_APPEND_COMPILE_FLAGS([-Wall]) + AX_APPEND_COMPILE_FLAGS([-Wbad-function-cast]) + AX_APPEND_COMPILE_FLAGS([-Wcast-align]) + AX_APPEND_COMPILE_FLAGS([-Wcast-qual]) + AX_APPEND_COMPILE_FLAGS([-Wclobbered]) + AX_APPEND_COMPILE_FLAGS([-Wempty-body]) + AX_APPEND_COMPILE_FLAGS([-Wignored-qualifiers]) + AX_APPEND_COMPILE_FLAGS([-Wlogical-op]) + AX_APPEND_COMPILE_FLAGS([-Wmissing-declarations]) + AX_APPEND_COMPILE_FLAGS([-Wmissing-field-initializers]) + AX_APPEND_COMPILE_FLAGS([-Wmissing-include-dirs]) + AX_APPEND_COMPILE_FLAGS([-Wmissing-parameter-type]) + AX_APPEND_COMPILE_FLAGS([-Wmissing-prototypes]) + AX_APPEND_COMPILE_FLAGS([-Wnested-externs]) + AX_APPEND_COMPILE_FLAGS([-Wold-style-declaration]) + AX_APPEND_COMPILE_FLAGS([-Woverride-init]) + AX_APPEND_COMPILE_FLAGS([-Wpointer-arith]) + AX_APPEND_COMPILE_FLAGS([-Wredundant-decls]) + AX_APPEND_COMPILE_FLAGS([-Wshadow]) + AX_APPEND_COMPILE_FLAGS([-Wsign-compare]) + AX_APPEND_COMPILE_FLAGS([-Wtype-limits]) + AX_APPEND_COMPILE_FLAGS([-Wundef]) + AX_APPEND_COMPILE_FLAGS([-Wuninitialized]) + AX_APPEND_COMPILE_FLAGS([-Wwrite-strings]) + ]) +]) diff --git a/m4/ax_check_compile_flag.m4 b/m4/ax_check_compile_flag.m4 new file mode 100644 index 0000000..ca36397 --- /dev/null +++ b/m4/ax_check_compile_flag.m4 @@ -0,0 +1,74 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_check_compile_flag.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_CHECK_COMPILE_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS], [INPUT]) +# +# DESCRIPTION +# +# Check whether the given FLAG works with the current language's compiler +# or gives an error. (Warnings, however, are ignored) +# +# ACTION-SUCCESS/ACTION-FAILURE are shell commands to execute on +# success/failure. +# +# If EXTRA-FLAGS is defined, it is added to the current language's default +# flags (e.g. CFLAGS) when the check is done. The check is thus made with +# the flags: "CFLAGS EXTRA-FLAGS FLAG". This can for example be used to +# force the compiler to issue an error when a bad flag is given. +# +# INPUT gives an alternative input source to AC_COMPILE_IFELSE. +# +# NOTE: Implementation based on AX_CFLAGS_GCC_OPTION. Please keep this +# macro in sync with AX_CHECK_{PREPROC,LINK}_FLAG. +# +# LICENSE +# +# Copyright (c) 2008 Guido U. Draheim +# Copyright (c) 2011 Maarten Bosmans +# +# This program is free software: you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation, either version 3 of the License, or (at your +# option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +# Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program. If not, see . +# +# As a special exception, the respective Autoconf Macro's copyright owner +# gives unlimited permission to copy, distribute and modify the configure +# scripts that are the output of Autoconf when processing the Macro. You +# need not follow the terms of the GNU General Public License when using +# or distributing such scripts, even though portions of the text of the +# Macro appear in them. The GNU General Public License (GPL) does govern +# all other use of the material that constitutes the Autoconf Macro. +# +# This special exception to the GPL applies to versions of the Autoconf +# Macro released by the Autoconf Archive. When you make and distribute a +# modified version of the Autoconf Macro, you may extend this special +# exception to the GPL to apply to your modified version as well. + +#serial 4 + +AC_DEFUN([AX_CHECK_COMPILE_FLAG], +[AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF +AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]flags_$4_$1])dnl +AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [ + ax_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS + _AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $4 $1" + AC_COMPILE_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])], + [AS_VAR_SET(CACHEVAR,[yes])], + [AS_VAR_SET(CACHEVAR,[no])]) + _AC_LANG_PREFIX[]FLAGS=$ax_check_save_flags]) +AS_VAR_IF(CACHEVAR,yes, + [m4_default([$2], :)], + [m4_default([$3], :)]) +AS_VAR_POPDEF([CACHEVAR])dnl +])dnl AX_CHECK_COMPILE_FLAGS diff --git a/m4/ax_require_defined.m4 b/m4/ax_require_defined.m4 new file mode 100644 index 0000000..cae1111 --- /dev/null +++ b/m4/ax_require_defined.m4 @@ -0,0 +1,37 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_require_defined.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_REQUIRE_DEFINED(MACRO) +# +# DESCRIPTION +# +# AX_REQUIRE_DEFINED is a simple helper for making sure other macros have +# been defined and thus are available for use. This avoids random issues +# where a macro isn't expanded. Instead the configure script emits a +# non-fatal: +# +# ./configure: line 1673: AX_CFLAGS_WARN_ALL: command not found +# +# It's like AC_REQUIRE except it doesn't expand the required macro. +# +# Here's an example: +# +# AX_REQUIRE_DEFINED([AX_CHECK_LINK_FLAG]) +# +# LICENSE +# +# Copyright (c) 2014 Mike Frysinger +# +# Copying and distribution of this file, with or without modification, are +# permitted in any medium without royalty provided the copyright notice +# and this notice are preserved. This file is offered as-is, without any +# warranty. + +#serial 1 + +AC_DEFUN([AX_REQUIRE_DEFINED], [dnl + m4_ifndef([$1], [m4_fatal([macro ]$1[ is not defined; is a m4 file missing?])]) +])dnl AX_REQUIRE_DEFINED diff --git a/src/Makefile.in b/src/Makefile.in index 9b12b50..ffeddf4 100644 --- a/src/Makefile.in +++ b/src/Makefile.in @@ -91,8 +91,13 @@ host_triplet = @host@ bin_PROGRAMS = hopm$(EXEEXT) subdir = src ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 -am__aclocal_m4_deps = $(top_srcdir)/m4/ax_arg_enable_assert.m4 \ +am__aclocal_m4_deps = $(top_srcdir)/m4/ax_append_compile_flags.m4 \ + $(top_srcdir)/m4/ax_append_flag.m4 \ + $(top_srcdir)/m4/ax_arg_enable_assert.m4 \ + $(top_srcdir)/m4/ax_arg_enable_warnings.m4 \ + $(top_srcdir)/m4/ax_check_compile_flag.m4 \ $(top_srcdir)/m4/ax_library_net.m4 \ + $(top_srcdir)/m4/ax_require_defined.m4 \ $(top_srcdir)/m4/gcc_stack_protect.m4 \ $(top_srcdir)/m4/libtool.m4 $(top_srcdir)/m4/ltoptions.m4 \ $(top_srcdir)/m4/ltsugar.m4 $(top_srcdir)/m4/ltversion.m4 \ diff --git a/src/libopm/Makefile.in b/src/libopm/Makefile.in index 2af20cb..c1ab6ab 100644 --- a/src/libopm/Makefile.in +++ b/src/libopm/Makefile.in @@ -89,8 +89,13 @@ build_triplet = @build@ host_triplet = @host@ subdir = src/libopm ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 -am__aclocal_m4_deps = $(top_srcdir)/m4/ax_arg_enable_assert.m4 \ +am__aclocal_m4_deps = $(top_srcdir)/m4/ax_append_compile_flags.m4 \ + $(top_srcdir)/m4/ax_append_flag.m4 \ + $(top_srcdir)/m4/ax_arg_enable_assert.m4 \ + $(top_srcdir)/m4/ax_arg_enable_warnings.m4 \ + $(top_srcdir)/m4/ax_check_compile_flag.m4 \ $(top_srcdir)/m4/ax_library_net.m4 \ + $(top_srcdir)/m4/ax_require_defined.m4 \ $(top_srcdir)/m4/gcc_stack_protect.m4 \ $(top_srcdir)/m4/libtool.m4 $(top_srcdir)/m4/ltoptions.m4 \ $(top_srcdir)/m4/ltsugar.m4 $(top_srcdir)/m4/ltversion.m4 \ diff --git a/src/libopm/src/Makefile.in b/src/libopm/src/Makefile.in index 37d9e83..ddd95db 100644 --- a/src/libopm/src/Makefile.in +++ b/src/libopm/src/Makefile.in @@ -90,8 +90,13 @@ build_triplet = @build@ host_triplet = @host@ subdir = src/libopm/src ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 -am__aclocal_m4_deps = $(top_srcdir)/m4/ax_arg_enable_assert.m4 \ +am__aclocal_m4_deps = $(top_srcdir)/m4/ax_append_compile_flags.m4 \ + $(top_srcdir)/m4/ax_append_flag.m4 \ + $(top_srcdir)/m4/ax_arg_enable_assert.m4 \ + $(top_srcdir)/m4/ax_arg_enable_warnings.m4 \ + $(top_srcdir)/m4/ax_check_compile_flag.m4 \ $(top_srcdir)/m4/ax_library_net.m4 \ + $(top_srcdir)/m4/ax_require_defined.m4 \ $(top_srcdir)/m4/gcc_stack_protect.m4 \ $(top_srcdir)/m4/libtool.m4 $(top_srcdir)/m4/ltoptions.m4 \ $(top_srcdir)/m4/ltsugar.m4 $(top_srcdir)/m4/ltversion.m4 \ -- 2.30.2