configure.ac: Add support for gnu/kfreebsd

Check for *-gnu instead of linux* to set DEFINES.
Change some freebsd* checks to *freebsd*.

diff --git a/configure.ac b/configure.ac
index 463821be6cbf61ea5f970c4bd01f304b9106700c..e48137f2abc4c43d3255f175600850f627207343 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -83,7 +83,7 @@ dnl Compiler macros
 DEFINES=""
 AC_SUBST([DEFINES])
 case "$host_os" in
-linux*)
+*-gnu)
 if test "x$GCC" = xyes; then
     DEFINES="$DEFINES -D_POSIX_SOURCE -D_POSIX_C_SOURCE=199309L -D_BSD_SOURCE"
 fi
@@ -271,14 +271,14 @@ if test "x$enable_asm" = xyes; then
     case "$host_cpu" in
     i?86)
         case "$host_os" in
-        linux* | freebsd* | dragonfly*)
+        linux* | *freebsd* | dragonfly*)
             test "x$enable_64bit" = xyes && asm_arch=x86_64 || asm_arch=x86
             ;;
         esac
         ;;
     x86_64)
         case "$host_os" in
-        linux* | freebsd* | dragonfly*)
+        linux* | *freebsd* | dragonfly*)
             test "x$enable_32bit" = xyes && asm_arch=x86 || asm_arch=x86_64
             ;;
         esac
@@ -368,7 +368,7 @@ linux*)
     i*86|x86_64|powerpc*) default_driver="dri";;
     esac
     ;;
-freebsd* | dragonfly*)
+*freebsd* | dragonfly*)
     case "$host_cpu" in
     i*86|x86_64) default_driver="dri";;
     esac