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configure: better test for Mac OS arch

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Use AC_COMPILE_IFELSE because AC_TRY_COMPILE is deprecated.
Include cdefs.h because it has checks for architcture.
This commit is contained in:
Phil Burk 2021-02-24 18:09:57 -08:00
commit b14e866b27
2 changed files with 12 additions and 2 deletions
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configure vendored
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configure.in
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@ -11,6 +11,15 @@ dnl Init autoconf and make sure configure is being called
dnl from the right directory dnl from the right directory
AC_INIT([include/portaudio.h]) AC_INIT([include/portaudio.h])
dnl This is is for testing compilation on Mac OS
PAMAC_TEST_PROGRAM="
/* cdefs.h checks for supported architectures. */
#include <sys/cdefs.h>
int main() {
return 0;
}
"
dnl Define build, build_cpu, build_vendor, build_os dnl Define build, build_cpu, build_vendor, build_os
AC_CANONICAL_BUILD AC_CANONICAL_BUILD
dnl Define host, host_cpu, host_vendor, host_os dnl Define host, host_cpu, host_vendor, host_os
@ -244,13 +253,14 @@ case "${host_os}" in
esac esac
dnl Pick which architectures to build for based on what dnl Pick which architectures to build for based on what
dnl the compiler supports. dnl the compiler and SDK supports.
mac_arches="" mac_arches=""
for arch in x86_64 arm64 for arch in x86_64 arm64
do do
save_CFLAGS="$CFLAGS" save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -arch $arch" CFLAGS="$CFLAGS -arch $arch"
AC_TRY_COMPILE([], [return 0;], AC_COMPILE_IFELSE(
[AC_LANG_SOURCE([$PAMAC_TEST_PROGRAM])],
[ [
if [[ -z "$mac_arches" ]] ; then if [[ -z "$mac_arches" ]] ; then
mac_arches="-arch $arch" mac_arches="-arch $arch"