1 files changed, 80 insertions, 0 deletions
diff --git a/contrib/amd/m4/macros/os_cflags.m4 b/contrib/amd/m4/macros/os_cflags.m4
new file mode 100644
index 0000000..6f82808
--- /dev/null
+++ b/contrib/amd/m4/macros/os_cflags.m4
@@ -0,0 +1,80 @@
+dnl ######################################################################
+dnl Specify additional compile options based on the OS and the compiler
+AC_DEFUN(AMU_OS_CFLAGS,
+[
+AC_CACHE_CHECK(additional compiler flags,
+ac_cv_os_cflags,
+[
+case "${host_os}" in
+	irix6* )
+		case "${CC}" in
+			cc )
+				# do not use 64-bit compiler
+				ac_cv_os_cflags="-n32 -mips3 -Wl,-woff,84"
+				;;
+		esac
+		;;
+	osf[[1-3]]* )
+		# get the right version of struct sockaddr
+		case "${CC}" in
+			cc )
+				ac_cv_os_cflags="-std -D_SOCKADDR_LEN -D_NO_PROTO"
+				;;
+			* )
+				ac_cv_os_cflags="-D_SOCKADDR_LEN -D_NO_PROTO"
+				;;
+		esac
+		;;
+	osf* )
+		# get the right version of struct sockaddr
+		case "${CC}" in
+			cc )
+				ac_cv_os_cflags="-std -D_SOCKADDR_LEN"
+				;;
+			* )
+				ac_cv_os_cflags="-D_SOCKADDR_LEN"
+				;;
+		esac
+		;;
+	aix[[1-3]]* )
+		ac_cv_os_cflags="" ;;
+	aix4.[[0-2]]* )
+		# turn on additional headers
+		ac_cv_os_cflags="-D_XOPEN_EXTENDED_SOURCE"
+		;;
+	aix* )
+		# avoid circular dependencies in yp headers
+		ac_cv_os_cflags="-DHAVE_BAD_HEADERS -D_XOPEN_EXTENDED_SOURCE"
+		;;
+	OFF-sunos4* )
+		# make sure passing whole structures is handled in gcc
+		case "${CC}" in
+			gcc )
+				ac_cv_os_cflags="-fpcc-struct-return"
+				;;
+		esac
+		;;
+	sunos[[34]]* | solaris1* | solaris2.[[0-5]]* | sunos5.[[0-5]]* )
+		ac_cv_os_cflags="" ;;
+	solaris* | sunos* )
+		# turn on 64-bit file offset interface
+		case "${CC}" in
+			* )
+				ac_cv_os_cflags="-D_LARGEFILE64_SOURCE"
+				;;
+		esac
+		;;
+	hpux* )
+		# use Ansi compiler on HPUX
+		case "${CC}" in
+			cc )
+				ac_cv_os_cflags="-Ae"
+				;;
+		esac
+		;;
+	* )	ac_cv_os_cflags="" ;;
+esac
+])
+CFLAGS="$CFLAGS $ac_cv_os_cflags"
+])
+dnl ======================================================================