configure: Clean up testing warnings and add more
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TingPing
parent
98fefcd162
commit
4e338a2b70
100
configure.ac
100
configure.ac
@ -608,92 +608,29 @@ AM_CONDITIONAL(WITH_TM, test "x$theme_manager" != "xno")
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AM_CONDITIONAL(PLATFORM_OSX, test "x$platform_osx" == "xyes")
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dnl *********************************************************************
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dnl ** GCC FLAGS ********************************************************
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dnl ** CFLAGS ***********************************************************
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dnl *********************************************************************
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dnl Only use -Wall and -pipe if we have gcc
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if test "x$GCC" = "xyes"; then
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if test -z "`echo "$CFLAGS" | grep "\-Wall" 2> /dev/null`" ; then
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CFLAGS="$CFLAGS -Wall"
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fi
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dnl these flags might be unwanted
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if test x$minimalflags != xyes; then
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if test "$system" = "Linux" -o "$system" = "FreeBSD"; then
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if test -z "`echo "$CFLAGS" | grep "\-pipe" 2> /dev/null`" ; then
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CFLAGS="$CFLAGS -pipe"
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fi
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fi
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if test -z "`echo "$CFLAGS" | grep "\-g " 2> /dev/null`" ; then
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CFLAGS="$CFLAGS -g"
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fi
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fi
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dnl these flags might be unwanted
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if test x$minimalflags != xyes; then
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CC_CHECK_FLAGS_APPEND([CFLAGS], [CFLAGS], [-g])
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fi
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dnl does this compiler support -Wno-pointer-sign ?
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AC_MSG_CHECKING([if $CC accepts -Wno-pointer-sign ])
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safe_CFLAGS=$CFLAGS
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CFLAGS="-Wno-pointer-sign"
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AC_TRY_COMPILE(, [
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return 0;
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],
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[
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no_pointer_sign=yes
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AC_MSG_RESULT([yes])
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], [
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no_pointer_sign=no
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AC_MSG_RESULT([no])
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CC_CHECK_FLAGS_APPEND([CFLAGS], [CFLAGS], [ \
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-pipe \
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-funsigned-char \
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-Wall \
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-Wextra \
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-Wno-unused-parameter \
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-Wno-sign-compare \
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-Wno-pointer-sign \
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-Wno-missing-field-initializers \
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-Wno-unused-result \
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-Werror=format-security \
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-Werror=format-nonliteral \
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-Werror=format=2 \
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-Werror=declaration-after-statement \
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])
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CFLAGS=$safe_CFLAGS
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if test x$no_pointer_sign = xyes; then
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CFLAGS="$CFLAGS -Wno-pointer-sign"
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fi
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dnl does this compiler support -funsigned-char ?
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AC_MSG_CHECKING([if $CC accepts -funsigned-char ])
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safe_CFLAGS=$CFLAGS
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CFLAGS="-funsigned-char"
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AC_TRY_COMPILE(, [
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return 0;
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],
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[
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unsigned_char=yes
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AC_MSG_RESULT([yes])
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], [
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unsigned_char=no
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AC_MSG_RESULT([no])
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])
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CFLAGS=$safe_CFLAGS
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if test x$unsigned_char = xyes; then
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CFLAGS="$CFLAGS -funsigned-char"
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fi
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dnl does this compiler support -Wno-unused-result ?
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AC_MSG_CHECKING([if $CC accepts -Wno-unused-result ])
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safe_CFLAGS=$CFLAGS
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CFLAGS="-Wno-unused-result"
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AC_TRY_COMPILE(, [
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return 0;
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],
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[
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no_unused_result=yes
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AC_MSG_RESULT([yes])
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], [
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no_unused_result=no
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AC_MSG_RESULT([no])
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])
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CFLAGS=$safe_CFLAGS
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if test x$no_unused_result = xyes; then
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CFLAGS="$CFLAGS -Wno-unused-result"
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fi
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dnl *********************************************************************
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dnl ** FUNCTIONS/LIBS/CFLAGS ********************************************
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@ -747,7 +684,6 @@ AC_EGREP_CPP(lookupd, dnl
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dnl freebsd needs this
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LIBS="$LIBS $INTLLIBS"
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CFLAGS="$CFLAGS $CPPFLAGS"
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GUI_LIBS="$GUI_LIBS $COMMON_LIBS"
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60
m4/ac-check-cflags.m4
Normal file
60
m4/ac-check-cflags.m4
Normal file
@ -0,0 +1,60 @@
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dnl Macros to check the presence of generic (non-typed) symbols.
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dnl Copyright (c) 2006-2008 Diego Pettenò <flameeyes@gmail.com>
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dnl Copyright (c) 2006-2008 xine project
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dnl Copyright (c) 2012 Lucas De Marchi <lucas.de.marchi@gmail.com>
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dnl
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dnl This program is free software; you can redistribute it and/or modify
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dnl it under the terms of the GNU General Public License as published by
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dnl the Free Software Foundation; either version 2, or (at your option)
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dnl any later version.
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dnl
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dnl This program is distributed in the hope that it will be useful,
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dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
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dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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dnl GNU General Public License for more details.
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dnl
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dnl You should have received a copy of the GNU General Public License
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dnl along with this program; if not, write to the Free Software
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dnl Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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dnl 02110-1301, USA.
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dnl
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dnl As a special exception, the copyright owners of the
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dnl macro gives unlimited permission to copy, distribute and modify the
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dnl configure scripts that are the output of Autoconf when processing the
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dnl Macro. You need not follow the terms of the GNU General Public
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dnl License when using or distributing such scripts, even though portions
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dnl of the text of the Macro appear in them. The GNU General Public
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dnl License (GPL) does govern all other use of the material that
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dnl constitutes the Autoconf Macro.
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dnl
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dnl This special exception to the GPL applies to versions of the
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dnl Autoconf Macro released by this project. When you make and
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dnl distribute a modified version of the Autoconf Macro, you may extend
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dnl this special exception to the GPL to apply to your modified version as
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dnl well.
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dnl Check if FLAG in ENV-VAR is supported by compiler and append it
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dnl to WHERE-TO-APPEND variable
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dnl CC_CHECK_FLAG_APPEND([WHERE-TO-APPEND], [ENV-VAR], [FLAG])
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AC_DEFUN([CC_CHECK_FLAG_APPEND], [
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AC_CACHE_CHECK([if $CC supports flag $3 in envvar $2],
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AS_TR_SH([cc_cv_$2_$3]),
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[eval "AS_TR_SH([cc_save_$2])='${$2}'"
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eval "AS_TR_SH([$2])='$3'"
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AC_COMPILE_IFELSE([AC_LANG_SOURCE([int a = 0; int main(void) { return a; } ])],
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[eval "AS_TR_SH([cc_cv_$2_$3])='yes'"],
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[eval "AS_TR_SH([cc_cv_$2_$3])='no'"])
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eval "AS_TR_SH([$2])='$cc_save_$2'"])
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AS_IF([eval test x$]AS_TR_SH([cc_cv_$2_$3])[ = xyes],
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[eval "$1='${$1} $3'"])
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])
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dnl CC_CHECK_FLAGS_APPEND([WHERE-TO-APPEND], [ENV-VAR], [FLAG1 FLAG2])
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AC_DEFUN([CC_CHECK_FLAGS_APPEND], [
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for flag in $3; do
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CC_CHECK_FLAG_APPEND($1, $2, $flag)
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done
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])
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