[project @ 2005-08-09 16:57:57 by simonpj]

[ghc-hetmet.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index a61bb04..6d33854 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1176,6 +1176,24 @@ AC_EGREP_CPP(yes,
   ])    
 AC_SUBST(HaveRtldNext)
 
+dnl ** RTLD_DEFAULT isn't available on cygwin
+AC_MSG_CHECKING(for RTLD_DEFAULT from dlfcn.h)
+AC_EGREP_CPP(yes,
+[
+ #include <dlfcn.h>
+ #ifdef RTLD_DEFAULT
+        yes
+ #endif
+], [
+  AC_MSG_RESULT(yes)
+  AC_DEFINE([HAVE_RTLDDEFAULT], [1], [Define to 1 if RTLD_DEFAULT is available.])
+  HaveRtldDefault=YES
+], [
+  AC_MSG_RESULT(no)
+  HaveRtldDefault=NO
+  ])    
+AC_SUBST(HaveRtldDefault)
+
 dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
 AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
 AC_EGREP_CPP(yes,
@@ -1270,6 +1288,21 @@ AC_TRY_COMPILE(,[__asm__ (".subsections_via_symbols");],
             [Define to 1 if Apple-style dead-stripping is supported.])
     ])
 
+dnl ** check for Apple's "interesting" long double compatibility scheme
+AC_MSG_CHECKING(for printf$LDBLStub)
+AC_TRY_LINK_FUNC(printf$LSBLStub,
+    [
+        AC_MSG_RESULT(yes)
+        AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
+            [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
+    ],
+    [
+        AC_MSG_RESULT(no)
+        AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
+            [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
+    ])
+
+
 AC_CONFIG_FILES([mk/config.mk])
 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
 AC_OUTPUT