From de6f23d475854795e15595f4b85fb1b389cdd651 Mon Sep 17 00:00:00 2001
From: wolfgang <unknown>
Date: Fri, 15 Jul 2005 02:00:15 +0000
Subject: [PATCH] [project @ 2005-07-15 02:00:15 by wolfgang] Mac OS
 X/PowerPC: Make GHCi deal with the additional statically
 linked symbols from libSystemStub.a on Tiger
 (printf$LDBLStub and friends).

MERGE TO STABLE
---
 configure.ac     |   15 +++++++++++++++
 ghc/rts/Linker.c |   51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 66 insertions(+)

diff --git a/configure.ac b/configure.ac
index a61bb04..a71049a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1270,6 +1270,21 @@ 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
diff --git a/ghc/rts/Linker.c b/ghc/rts/Linker.c
index cb40fbd..f1a69cc 100644
--- a/ghc/rts/Linker.c
+++ b/ghc/rts/Linker.c
@@ -321,6 +321,56 @@ typedef struct _RtsSymbolVal {
       Sym(closedir)
 #endif
 
+#if defined(darwin_TARGET_OS) && HAVE_PRINTF_LDBLSTUB
+#define RTS_DARWIN_ONLY_SYMBOLS			\
+     Sym(asprintf$LDBLStub)                     \
+     Sym(err$LDBLStub)                          \
+     Sym(errc$LDBLStub)                         \
+     Sym(errx$LDBLStub)                         \
+     Sym(fprintf$LDBLStub)                      \
+     Sym(fscanf$LDBLStub)                       \
+     Sym(fwprintf$LDBLStub)                     \
+     Sym(fwscanf$LDBLStub)                      \
+     Sym(printf$LDBLStub)                       \
+     Sym(scanf$LDBLStub)                        \
+     Sym(snprintf$LDBLStub)                     \
+     Sym(sprintf$LDBLStub)                      \
+     Sym(sscanf$LDBLStub)                       \
+     Sym(strtold$LDBLStub)                      \
+     Sym(swprintf$LDBLStub)                     \
+     Sym(swscanf$LDBLStub)                      \
+     Sym(syslog$LDBLStub)                       \
+     Sym(vasprintf$LDBLStub)                    \
+     Sym(verr$LDBLStub)                         \
+     Sym(verrc$LDBLStub)                        \
+     Sym(verrx$LDBLStub)                        \
+     Sym(vfprintf$LDBLStub)                     \
+     Sym(vfscanf$LDBLStub)                      \
+     Sym(vfwprintf$LDBLStub)                    \
+     Sym(vfwscanf$LDBLStub)                     \
+     Sym(vprintf$LDBLStub)                      \
+     Sym(vscanf$LDBLStub)                       \
+     Sym(vsnprintf$LDBLStub)                    \
+     Sym(vsprintf$LDBLStub)                     \
+     Sym(vsscanf$LDBLStub)                      \
+     Sym(vswprintf$LDBLStub)                    \
+     Sym(vswscanf$LDBLStub)                     \
+     Sym(vsyslog$LDBLStub)                      \
+     Sym(vwarn$LDBLStub)                        \
+     Sym(vwarnc$LDBLStub)                       \
+     Sym(vwarnx$LDBLStub)                       \
+     Sym(vwprintf$LDBLStub)                     \
+     Sym(vwscanf$LDBLStub)                      \
+     Sym(warn$LDBLStub)                         \
+     Sym(warnc$LDBLStub)                        \
+     Sym(warnx$LDBLStub)                        \
+     Sym(wcstold$LDBLStub)                      \
+     Sym(wprintf$LDBLStub)                      \
+     Sym(wscanf$LDBLStub)
+#else
+#define RTS_DARWIN_ONLY_SYMBOLS
+#endif
+
 #ifndef SMP
 # define MAIN_CAP_SYM SymX(MainCapability)
 #else
@@ -662,6 +712,7 @@ RTS_LONG_LONG_SYMS
 RTS_POSIX_ONLY_SYMBOLS
 RTS_MINGW_ONLY_SYMBOLS
 RTS_CYGWIN_ONLY_SYMBOLS
+RTS_DARWIN_ONLY_SYMBOLS
 RTS_LIBGCC_SYMBOLS
 #undef Sym
 #undef SymX
-- 
1.7.10.4