X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=configure.in;h=f61558e4c1361b74bcda4b8b3b10d04719916e1f;hb=7543711db25a39cff8c19d4bdf02639255f1912f;hp=36ccd58ae6aa813fd8ab891c9aef9fe8cc87a080;hpb=bebf95f8ede42cb3e3c6e9819a2c03dee6797162;p=ghc-hetmet.git

diff --git a/configure.in b/configure.in
index 36ccd58..f61558e 100644
--- a/configure.in
+++ b/configure.in
@@ -556,12 +556,15 @@ FPTOOLS_HAVE_GCC
 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 AC_PROG_CPP
 
-dnl ** does the C compiler support the following options?
-FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
-
-EXTRA_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN"
-SRC_CC_OPTS="-O $EXTRA_CC_OPTS"
-CPPFLAGS="$EXTRA_CC_OPTS $CPPFLAGS"
+dnl ** Without optimization some INLINE trickery fails for GHCi
+SRC_CC_OPTS="-O"
+
+dnl ** Try to add -mno-cygwin to the C compiler options for mingw32 targets
+if test x"$TargetOS_CPP" = x"mingw32"; then
+  FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
+  SRC_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN $SRC_CC_OPTS"
+  CPPFLAGS="$CC_SUPPORTS_MNO_CYGWIN $CPPFLAGS"
+fi
 AC_SUBST(SRC_CC_OPTS)
 
 dnl ** figure out how to do context diffs
@@ -789,7 +792,6 @@ FPTOOLS_CHECK_HTYPE(ino_t)
 FPTOOLS_CHECK_HTYPE(mode_t)
 FPTOOLS_CHECK_HTYPE(off_t)
 FPTOOLS_CHECK_HTYPE(pid_t)
-FPTOOLS_CHECK_HTYPE(size_t)
 FPTOOLS_CHECK_HTYPE(gid_t)
 FPTOOLS_CHECK_HTYPE(uid_t)
 FPTOOLS_CHECK_HTYPE(cc_t)
@@ -959,6 +961,8 @@ dnl ################################################################
 dnl Check for libraries
 dnl ################################################################
 
+dnl ** check for libdl & RTLD_NEXT
+
 AC_CHECK_LIB(dl, dlopen, 
 	[HaveLibDL=YES
 	 AC_DEFINE(HAVE_LIBDL)
@@ -967,6 +971,42 @@ AC_CHECK_LIB(dl, dlopen,
 AC_CHECK_FUNCS(dlopen)
 AC_SUBST(HaveLibDL)
 
+dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
+AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
+AC_EGREP_CPP(yes,
+[
+ #include <dlfcn.h>
+ #ifdef RTLD_NEXT
+        yes
+ #endif
+], [
+  AC_MSG_RESULT(yes)
+  AC_DEFINE(HAVE_RTLDNEXT)
+  HaveRtldNext=YES
+], [
+  AC_MSG_RESULT(no)
+  HaveRtldNext=NO
+  ])    
+AC_SUBST(HaveRtldNext)
+
+dnl ** RTLD_LOCAL isn't available on cygwin
+AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
+AC_EGREP_CPP(yes,
+[
+ #include <dlfcn.h>
+ #ifdef RTLD_LOCAL
+        yes
+ #endif
+], [
+  AC_MSG_RESULT(yes)
+  AC_DEFINE(HAVE_RTLDLOCAL)
+  HaveRtldLocal=YES
+], [
+  AC_MSG_RESULT(no)
+  HaveRtldLocal=NO
+  ])    
+AC_SUBST(HaveRtldLocal)
+
 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
 
 dnl --------------------------------------------------