use AS_CASE/AS_IF

1 files changed, 4 insertions, 6 deletions

diff --git a/configure.ac b/configure.ac
index 53c802b..5a6ef25 100644
--- a/configure.ac
+++ b/configure.ac
@@ -231,22 +231,20 @@ AC_ARG_ENABLE(linker-hardening,
 
 # Support for hiding non-public symbols
 HIDDEN_VISIBILITY_CFLAGS=""
-case "$host" in
-  *-*-mingw*)
+AS_CASE(["$host"],
+ [*-*-mingw*],[
     dnl on mingw32 we do -fvisibility=hidden and __declspec(dllexport)
     AC_DEFINE([_EXTRACTOR_EXTERN], [__attribute__((visibility("default"))) __declspec(dllexport) extern],
               [defines how to decorate public symbols while building])
     HIDDEN_VISIBILITY_CFLAGS="-fvisibility=hidden"
-    ;;
-  *)
+ ],[
     dnl on other compilers, check if we can do -fvisibility=hidden
     AX_CHECK_LINK_FLAG([-fvisibility=hidden],
       [AX_CHECK_COMPILE_FLAG([-fvisibility=hidden],
                            [AC_DEFINE([_EXTRACTOR_EXTERN], [__attribute__((visibility("default"))) extern],
                                        [defines how to decorate public symbols while building])
                             HIDDEN_VISIBILITY_CFLAGS="-fvisibility=hidden"])])
-    ;;
-esac
+ ])
 AC_SUBST(HIDDEN_VISIBILITY_CFLAGS)