X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=configure.in;h=287a7574cfb317c69a05841a9420fd8e20e01c8b;hb=2cedbb795113da2fea8208f3c21fe3b56012c672;hp=36ccd58ae6aa813fd8ab891c9aef9fe8cc87a080;hpb=bebf95f8ede42cb3e3c6e9819a2c03dee6797162;p=ghc-hetmet.git

diff --git a/configure.in b/configure.in
index 36ccd58..287a757 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
@@ -666,7 +669,7 @@ dnl ** check for full ANSI header (.h) files
 AC_HEADER_STDC
 
 dnl ** check for specific header (.h) files that we are interested in
-AC_CHECK_HEADERS(Files.h arpa/inet.h assert.h console.h ctype.h dirent.h errno.h fcntl.h float.h ftw.h grp.h ieee754.h inttypes.h limits.h malloc.h memory.h nlist.h pascal.h pwd.h sgtty.h siginfo.h signal.h stat.h stdint.h stdlib.h stddef.h stdarg.h string.h sys/fault.h sys/file.h sys/ioctl.h sys/limits.h sys/mman.h sys/param.h sys/procfs.h sys/resource.h sys/signal.h sys/socket.h netdb.h netinet/in.h netinet/tcp.h sys/stat.h sys/syscall.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/types.h sys/un.h sys/utsname.h sys/vadvise.h sys/wait.h termio.h termios.h time.h types.h unistd.h utime.h values.h vfork.h bfd.h winsock.h pthread.h)
+AC_CHECK_HEADERS(Files.h arpa/inet.h assert.h console.h ctype.h dirent.h errno.h fcntl.h float.h ftw.h grp.h ieee754.h inttypes.h limits.h malloc.h memory.h nlist.h pascal.h pwd.h sgtty.h siginfo.h signal.h stat.h stdint.h stdlib.h stddef.h stdarg.h string.h sys/fault.h sys/file.h sys/ioctl.h sys/limits.h sys/mman.h sys/param.h sys/procfs.h sys/resource.h sys/signal.h sys/socket.h netdb.h netinet/in.h netinet/tcp.h sys/stat.h sys/syscall.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/types.h sys/un.h sys/utsname.h sys/vadvise.h sys/wait.h termio.h termios.h time.h types.h unistd.h utime.h values.h vfork.h bfd.h winsock.h pthread.h sys/uio.h)
 
 AC_CHECK_HEADER(readline/readline.h, HaveReadlineReadlineH=YES, HaveReadlineReadlineH=NO)
 AC_CHECK_HEADER(readline/history.h, HaveReadlineHistoryH=YES, HaveReadlineHistoryH=NO)
@@ -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 --------------------------------------------------