Fix autoconf's testing for shared libraries

[Firewall/CSI at cimmetry.com]

Skipped content of type multipart/alternative-------------- next part --------------
--- ../clean/wine-20040914/aclocal.m4	2004-06-14 15:34:42.000000000 -0400
+++ aclocal.m4	2004-09-17 14:32:04.000000000 -0400
@@ -68,6 +68,16 @@
 AC_TRY_LINK([],[],[$2],[$3])
 CFLAGS=$ac_wine_try_cflags_saved])
 
+dnl **** Check if we can link an empty shared lib (no main) with special CFLAGS ****
+dnl
+dnl Usage: WINE_TRY_SHLIB(flags,[action-if-yes,[action-if-no]])
+dnl
+AC_DEFUN([WINE_TRY_SHLIB],
+[ac_wine_try_cflags_saved=$CFLAGS
+CFLAGS="$CFLAGS $1"
+AC_LINK_IFELSE([void myfunc() { ; };],[$2],[$3])
+CFLAGS=$ac_wine_try_cflags_saved])
+
 dnl **** Check whether we need to define a symbol on the compiler command line ****
 dnl
 dnl Usage: WINE_CHECK_DEFINE(name),[action-if-yes,[action-if-no]])
--- ../clean/wine-20040914/configure.ac	2004-09-14 15:27:58.000000000 -0400
+++ configure.ac	2004-09-17 14:32:26.000000000 -0400
@@ -869,7 +869,7 @@
       DLLFLAGS="$DLLFLAGS -fPIC"
       DLLEXT=".so"
       AC_CACHE_CHECK([whether we can build a GNU style ELF dll], ac_cv_c_dll_gnuelf,
-          [WINE_TRY_CFLAGS([-fPIC -shared -Wl,-soname,conftest.so.1.0,-Bsymbolic],
+          [WINE_TRY_SHLIB([-fPIC -shared -Wl,-soname,conftest.so.1.0,-Bsymbolic],
                            ac_cv_c_dll_gnuelf="yes",ac_cv_c_dll_gnuelf="no")])
       if test "$ac_cv_c_dll_gnuelf" = "yes"
       then
@@ -923,7 +923,7 @@
 
       else
         AC_CACHE_CHECK(whether we can build a UnixWare (Solaris) dll, ac_cv_c_dll_unixware,
-            [WINE_TRY_CFLAGS([-fPIC -Wl,-G,-h,conftest.so.1.0,-B,symbolic],
+            [WINE_TRY_SHLIB([-fPIC -Wl,-G,-h,conftest.so.1.0,-B,symbolic],
                              ac_cv_c_dll_unixware="yes",ac_cv_c_dll_unixware="no")])
         if test "$ac_cv_c_dll_unixware" = "yes"
         then
@@ -932,7 +932,7 @@
 
         else
           AC_CACHE_CHECK(whether we can build a Mach-O (Mac OS X/Darwin) dll, ac_cv_c_dll_macho,
-            [WINE_TRY_CFLAGS([-bundle], ac_cv_c_dll_macho="yes", ac_cv_c_dll_macho="no")])
+            [WINE_TRY_SHLIB([-bundle], ac_cv_c_dll_macho="yes", ac_cv_c_dll_macho="no")])
           if test "$ac_cv_c_dll_macho" = "yes"
           then
             LIBEXT="dylib"
@@ -949,6 +949,15 @@
             AC_SUBST(IOKITLIB,"-framework IOKit")
 	    dnl using IOKit imply we use CoreFoundation too
 	    IOKITLIB = "$IOKITLIB $COREFOUNDATIONLIB"
+          else
+            AC_CACHE_CHECK(whether we can build an HP-UX dll, ac_cv_c_dll_hpux,
+              [WINE_TRY_SHLIB([-shared], ac_cv_c_dll_hpux="yes", ac_cv_c_dll_hpux="no")])
+            if test "$ac_cv_c_dll_hpux" = "yes"
+            then
+              LIBEXT="sl"
+              LDDLLFLAGS="-shared"
+              LDSHARED="\$(CC) -shared"
+            fi
           fi
         fi
       fi