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don't suppose that gcc is the only compiler that can be used. 

Check if -Wall and -fno-strict-aliasing are supported by the compiler


SVN revision: 41863
This commit is contained in:
Vincent Torri 2009-08-18 20:04:19 +00:00
parent 0b7407905c
commit 36be15fc55
1 changed files with 23 additions and 5 deletions
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28
legacy/eina/configure.ac
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@ -246,13 +246,31 @@ if test "x$enable_coverage" = "xyes" ; then
EINA_CFLAGS="${EINA_CFLAGS} ${EFL_DEBUG_CFLAGS}"
fi
if ! test "${VMIC}" = "x" ; then
EINA_CFLAGS="${EINA_CFLAGS} -Wall -W" # -Werror
if ! test "x${VMIC}" = "x" ; then
CFLAGS_save="${CFLAGS}"
CFLAGS="${CFLAGS} -Wall -W"
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[]])],
[have_Wall="yes"],
[have_Wall="no"])
AC_MSG_CHECKING([whether the compiler supports -Wall])
AC_MSG_RESULT([${have_Wall}])
CFLAGS="${CFLAGS_save}"
if test "x${have_Wall}" = "xyes" ; then
EINA_CFLAGS="${EINA_CFLAGS} -Wall -W" # -Werror
fi
fi
GCC_MAJOR_VERSION=`$CC -dumpversion | sed "s/\..*//"`
if test "$GCC_MAJOR_VERSION" = "3" ; then
CFLAGS_save="${CFLAGS}"
CFLAGS="${CFLAGS} -fno-strict-aliasing"
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[]])],
[have_no_strict_aliasing="yes"],
[have_no_strict_aliasing="no"])
AC_MSG_CHECKING([whether the compiler supports -fno-strict-aliasing])
AC_MSG_RESULT([${have_no_strict_aliasing}])
CFLAGS="${CFLAGS_save}"
if test "x${have_no_strict_aliasing}" = "xyes" ; then
EINA_CFLAGS="${EINA_CFLAGS} -fno-strict-aliasing"
fi