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|
AC_DEFUN([AC_PROG_CC_PIE], [
AC_CACHE_CHECK([whether ${CC-cc} accepts -fPIE], ac_cv_prog_cc_pie, [
echo 'void f(){}' > conftest.c
if test -z "`${CC-cc} -fPIE -pie -c conftest.c 2>&1`"; then
ac_cv_prog_cc_pie=yes
else
ac_cv_prog_cc_pie=no
fi
rm -rf conftest*
])
])
AC_DEFUN([AC_PROG_CC_ASAN], [
AC_CACHE_CHECK([whether ${CC-cc} accepts -fsanitize=address],
ac_cv_prog_cc_asan, [
echo 'void f(){}' > asan.c
if test -z "`${CC-cc} -fsanitize=address -c asan.c 2>&1`"; then
ac_cv_prog_cc_asan=yes
else
ac_cv_prog_cc_asan=no
fi
rm -rf asan*
])
])
AC_DEFUN([AC_PROG_CC_LSAN], [
AC_CACHE_CHECK([whether ${CC-cc} accepts -fsanitize=leak],
ac_cv_prog_cc_lsan, [
echo 'void f(){}' > lsan.c
if test -z "`${CC-cc} -fsanitize=leak -c lsan.c 2>&1`"; then
ac_cv_prog_cc_lsan=yes
else
ac_cv_prog_cc_lsan=no
fi
rm -rf lsan*
])
])
AC_DEFUN([AC_PROG_CC_UBSAN], [
AC_CACHE_CHECK([whether ${CC-cc} accepts -fsanitize=undefined],
ac_cv_prog_cc_ubsan, [
echo 'void f(){}' > ubsan.c
if test -z "`${CC-cc} -fsanitize=undefined -c ubsan.c 2>&1`"; then
ac_cv_prog_cc_ubsan=yes
else
ac_cv_prog_cc_ubsan=no
fi
rm -rf ubsan*
])
])
AC_DEFUN([COMPILER_FLAGS], [
with_cflags=""
if (test "$USE_MAINTAINER_MODE" = "yes"); then
with_cflags="$with_cflags -Wall -Werror -Wextra"
with_cflags="$with_cflags -Wno-unused-parameter"
with_cflags="$with_cflags -Wno-missing-field-initializers"
with_cflags="$with_cflags -Wdeclaration-after-statement"
with_cflags="$with_cflags -Wmissing-declarations"
with_cflags="$with_cflags -Wredundant-decls"
with_cflags="$with_cflags -Wcast-align"
with_cflags="$with_cflags -Wswitch-enum"
with_cflags="$with_cflags -Wformat -Wformat-security"
with_cflags="$with_cflags -Wstringop-overflow"
with_cflags="$with_cflags -DG_DISABLE_DEPRECATED"
with_cflags="$with_cflags -DGLIB_VERSION_MIN_REQUIRED=GLIB_VERSION_2_36"
with_cflags="$with_cflags -DGLIB_VERSION_MAX_ALLOWED=GLIB_VERSION_2_36"
fi
AC_SUBST([WARNING_CFLAGS], $with_cflags)
])
AC_DEFUN([MISC_FLAGS], [
misc_cflags=""
misc_ldflags=""
AC_ARG_ENABLE(optimization, AS_HELP_STRING([--disable-optimization],
[disable code optimization through compiler]), [
if (test "${enableval}" = "no"); then
misc_cflags="$misc_cflags -O0"
fi
])
AC_ARG_ENABLE(asan, AS_HELP_STRING([--enable-asan],
[enable linking with address sanitizer]), [
save_LIBS=$LIBS
AC_CHECK_LIB(asan, _init)
LIBS=$save_LIBS
if (test "${enableval}" = "yes" &&
test "${ac_cv_lib_asan__init}" = "yes" &&
test "${ac_cv_prog_cc_asan}" = "yes"); then
misc_cflags="$misc_cflags -fsanitize=address";
misc_ldflags="$misc_ldflags -fsanitize=address"
AC_SUBST([ASAN_LIB], ${ac_cv_lib_asan__init})
fi
])
AC_ARG_ENABLE(lsan, AS_HELP_STRING([--enable-lsan],
[enable linking with address sanitizer]), [
save_LIBS=$LIBS
AC_CHECK_LIB(lsan, _init)
LIBS=$save_LIBS
if (test "${enableval}" = "yes" &&
test "${ac_cv_lib_lsan__init}" = "yes" &&
test "${ac_cv_prog_cc_lsan}" = "yes"); then
misc_cflags="$misc_cflags -fsanitize=leak";
misc_ldflags="$misc_ldflags -fsanitize=leak"
AC_SUBST([ASAN_LIB], ${ac_cv_lib_lsan__init})
fi
])
AC_ARG_ENABLE(ubsan, AS_HELP_STRING([--enable-ubsan],
[enable linking with address sanitizer]), [
save_LIBS=$LIBS
AC_CHECK_LIB(ubsan, _init)
LIBS=$save_LIBS
if (test "${enableval}" = "yes" &&
test "${ac_cv_lib_ubsan__init}" = "yes" &&
test "${ac_cv_prog_cc_ubsan}" = "yes"); then
misc_cflags="$misc_cflags -fsanitize=undefined";
misc_ldflags="$misc_ldflags -fsanitize=undefined";
fi
])
AC_ARG_ENABLE(debug, AS_HELP_STRING([--enable-debug],
[enable compiling with debugging information]), [
if (test "${enableval}" = "yes" &&
test "${ac_cv_prog_cc_g}" = "yes"); then
misc_cflags="$misc_cflags -g"
fi
])
AC_ARG_ENABLE(pie, AS_HELP_STRING([--enable-pie],
[enable position independent executables flag]), [
if (test "${enableval}" = "yes" &&
test "${ac_cv_prog_cc_pie}" = "yes"); then
misc_cflags="$misc_cflags -fPIC"
misc_ldflags="$misc_ldflags -pie -Wl,-z,now"
fi
])
if (test "$enable_coverage" = "yes"); then
misc_cflags="$misc_cflags --coverage"
misc_ldflags="$misc_ldflags --coverage"
fi
if (test "$USE_MAINTAINER_MODE" = "yes"); then
AC_CACHE_CHECK([whether ${CC-cc} accepts -D_FORTIFY_SOURCE=3],
ac_cv_prog_cc_fortify_source_3, [
echo '#include <errno.h>' > fortify.c
if test -z "`${CC-cc} ${CFLAGS} ${misc_cflags} -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=3 -c fortify.c 2>&1`"; then
ac_cv_prog_cc_fortify_source_3=yes
else
ac_cv_prog_cc_fortify_source_3=no
fi
rm -f fortify.c fortify.o
])
if test "${ac_cv_prog_cc_fortify_source_3}" = "yes"; then
misc_cflags="$misc_cflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=3"
fi
fi
misc_cflags="$misc_cflags -ffunction-sections -fdata-sections"
misc_ldflags="$misc_ldflags -Wl,--gc-sections"
AC_SUBST([MISC_CFLAGS], $misc_cflags)
AC_SUBST([MISC_LDFLAGS], $misc_ldflags)
])
|
