From: Gary V. Vaughan <gary@gnu.org>
Date: Tue, 8 Jun 1999 10:03:41 +0000 (+0000)
Subject: * ltconfig.in (cygwin, pic_flag):  Force separate compilation of
X-Git-Tag: release-1-3b~33
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=30d470e162e2705c856081d672d8a414f02a985b;p=thirdparty%2Flibtool.git

* ltconfig.in (cygwin, pic_flag):  Force separate compilation of
objects for dlls vs. objects for static archives.  Using a cpp
macro also allows us to decide whether or not we need to use
dllexport/import declarations.
---

diff --git a/ChangeLog b/ChangeLog
index 9a867acc3..226fef19b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+1999-06-08  Gary V. Vaughan  <gary@oranda.demon.co.uk>
+
+	* ltconfig.in (cygwin, pic_flag):  Force separate compilation of
+	objects for dlls vs. objects for static archives.  Using a cpp
+	macro also allows us to decide whether or not we need to use
+	dllexport/import declarations.
+
 1999-06-06  Alexandre Oliva  <oliva@dcc.unicamp.br>
 
 	* ltconfig.in: Support new GNU ld --help output format.
diff --git a/ltconfig.in b/ltconfig.in
index d07760cc2..e3c6daa6f 100755
--- a/ltconfig.in
+++ b/ltconfig.in
@@ -642,7 +642,9 @@ if test "$with_gcc" = yes; then
     link_static_flag="$link_static_flag ${wl}-lC"
     ;;
   cygwin* | mingw* | os2*)
-    # We can build DLLs from non-PIC.
+    # This hack is so that the source file can tell whether it is being
+    # built for inclusion in a dll (and should export symbols for example).
+    pic_flag='-DDLL_EXPORT'
     ;;
   amigaos*)
     # FIXME: we need at least 68020 code to build shared libraries, but