From: Elizabeth Barham <soggytrousers@yahoo.com>
Date: Fri, 4 Oct 2002 15:34:50 +0000 (+0000)
Subject: * libtool.m4 (AC_LIBTOOL_SETUP): GCC now checks -shared to
X-Git-Tag: release-1-5~87
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=14a18a2500ef78f77657860855ff744db4c140aa;p=thirdparty%2Flibtool.git

* libtool.m4 (AC_LIBTOOL_SETUP): GCC now checks -shared to
create a dll for Windows targets.
---

diff --git a/ChangeLog b/ChangeLog
index 114c8baa9..902677a90 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2002-10-04  Elizabeth Barham  <soggytrousers@yahoo.com>
+
+	* libtool.m4 (AC_LIBTOOL_SETUP): GCC now checks -shared to
+	create a dll for Windows targets.
+
 2002-09-24  Robert Boehne  <rboehne@gnu.org>
 
 	* ltmain.in: Fixed a few spelling errors.
diff --git a/libtool.m4 b/libtool.m4
index 3566c3f40..7b454202e 100644
--- a/libtool.m4
+++ b/libtool.m4
@@ -507,11 +507,14 @@ AC_PROVIDE_IFELSE([AC_LIBTOOL_WIN32_DLL],
   case $host/$CC in
   *-*-cygwin*/gcc*-mno-cygwin*|*-*-mingw*)
     # old mingw systems require "-dll" to link a DLL, while more recent ones
-    # require "-mdll"
+    # require "-mdll" (and still newer ones would rather have "-shared")
     SAVE_CFLAGS="$CFLAGS"
-    CFLAGS="$CFLAGS -mdll"
+    CFLAGS="$CFLAGS -shared"
     AC_CACHE_CHECK([how to link DLLs], lt_cv_cc_dll_switch,
-      [AC_TRY_LINK([], [], [lt_cv_cc_dll_switch=-mdll],[lt_cv_cc_dll_switch=-dll])])
+      [AC_TRY_LINK([],[],[lt_cv_cc_dll_switch=-shared],
+	[
+	  CFLAGS="$SAVE_CFLAGS -mdll"
+	AC_TRY_LINK([], [], [lt_cv_cc_dll_switch=-mdll],[lt_cv_cc_dll_switch=-dll])])])
     CFLAGS="$SAVE_CFLAGS" ;;
   *-*-cygwin* | *-*-pw32*)
     # cygwin systems need to pass --dll to the linker, and not link