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# FP_GCC_SUPPORTS_NO_PIE
# ----------------------
# Does gcc support the -no-pie option? If so we should pass it to gcc when
# joining objects since -pie may be enabled by default.
AC_DEFUN([FP_GCC_SUPPORTS_NO_PIE],
[
AC_REQUIRE([AC_PROG_CC])
AC_MSG_CHECKING([whether CC supports -no-pie])
echo 'int main() { return 0; }' > conftest.c
# Some GCC versions only warn when passed an unrecognized flag.
if $CC -no-pie -Werror -x c conftest.c -o conftest > conftest.txt 2>&1 && ! grep -i unrecognized conftest.txt > /dev/null 2>&1; then
CONF_GCC_SUPPORTS_NO_PIE=YES
AC_MSG_RESULT([yes])
else
CONF_GCC_SUPPORTS_NO_PIE=NO
AC_MSG_RESULT([no])
fi
rm -f conftest.c conftest.o conftest
])
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