forked from enlightenment/efl
25 lines
467 B
Plaintext
25 lines
467 B
Plaintext
dnl Checks if a given compiler switch is supported.
|
|
dnl If so, this macro adds the flag to the CFLAGS
|
|
|
|
AC_DEFUN([EFL_COMPILER_FLAG],
|
|
[
|
|
|
|
CFLAGS_save="${CFLAGS}"
|
|
CFLAGS="${CFLAGS} $1"
|
|
|
|
AC_LANG_PUSH([C])
|
|
AC_MSG_CHECKING([whether the compiler supports $1])
|
|
|
|
AC_COMPILE_IFELSE(
|
|
[AC_LANG_PROGRAM([[]])],
|
|
[have_flag="yes"],
|
|
[have_flag="no"])
|
|
AC_MSG_RESULT([${have_flag}])
|
|
|
|
if test "x${have_flag}" = "xno" ; then
|
|
CFLAGS="${CFLAGS_save}"
|
|
fi
|
|
AC_LANG_POP([C])
|
|
|
|
])
|