Fix scoped type variables for expression type signatures

[ghc-hetmet.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 372287a..e9ad212 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -15,6 +15,11 @@ dnl
 
 AC_INIT([The Glorious Glasgow Haskell Compilation System], [6.5], [glasgow-haskell-bugs@haskell.org], [ghc])
 
+if test ! -f mk/config.h.in; then
+   echo "mk/config.h.in doesn't exist: perhaps you haven't run 'autoreconf'?"
+   exit 1
+fi
+
 FP_SETUP_PROJECT_VERSION
 
 # Hmmm, we fix the RPM release number to 1 here... Is this convenient?
@@ -387,6 +392,15 @@ mips-*-linux*)
         HostVendor_CPP='unknown'
         HostOS_CPP='linux'
         ;;
+mipsel-*-linux*)
+        HostPlatform=mipsel-unknown-linux # hack again
+        TargetPlatform=mipsel-unknown-linux
+        BuildPlatform=mipsel-unknown-linux
+        HostPlatform_CPP='mipsel_unknown_linux'
+        HostArch_CPP='mipsel'
+        HostVendor_CPP='unknown'
+        HostOS_CPP='linux'
+        ;;
 mips-dec-ultrix*)
         HostPlatform_CPP='mips_dec_ultrix'
         HostArch_CPP='mipsel'   # NB a little different
@@ -601,7 +615,12 @@ case $HostPlatform in
             hardtop=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@/@g'`
             hardtop_plat=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'`
           else
-            hardtop_plat=${hardtop}
+dnl OK, so we're in the MSYS case.  hardtop looks like /c/....
+dnl We want to make hardtop_plat into c:/...
+dnl Stop using [] for quotes temporarily, so we can use [] in the sed regexp
+changequote(, )dnl
+               hardtop_plat=`echo ${hardtop} | sed -e 's@^/\\([a-zA-Z]\\)/@\\1:/@g'`
+changequote([, ])dnl
         fi
         ;;
   *)
@@ -899,7 +918,7 @@ AC_PATH_PROGS(TarCmd,gtar tar,tar)
 
 dnl ** check for DocBook toolchain
 FP_CHECK_DOCBOOK_DTD
-FP_DIR_DOCBOOK_XSL([/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/sgml/docbook/docbook-xsl-stylesheets* /usr/share/sgml/docbook/xsl-stylesheets* /opt/kde?/share/apps/ksgmltools2/docbook/xsl /usr/share/docbook-xsl /usr/share/sgml/docbkxsl /usr/local/share/xsl/docbook /sw/share/xml/xsl/docbook-xsl])
+FP_DIR_DOCBOOK_XSL([/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/sgml/docbook/docbook-xsl-stylesheets* /usr/share/sgml/docbook/xsl-stylesheets* /opt/kde?/share/apps/ksgmltools2/docbook/xsl /usr/share/docbook-xsl /usr/share/sgml/docbkxsl /usr/local/share/xsl/docbook /sw/share/xml/xsl/docbook-xsl /opt/local/share/xsl/docbook-xsl])
 FP_PROG_FO_PROCESSOR
 
 dnl ** check for ghc-pkg command
@@ -962,12 +981,6 @@ AC_SUBST(GhcLibsWithReadline)
 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 AC_HEADER_TIME
 
-dnl ** how do we get a timezone name, and UTC offset ?
-AC_STRUCT_TIMEZONE
-
-dnl ** do we have altzone?
-FP_DECL_ALTZONE
-
 dnl ** do we have long longs?
 AC_CHECK_TYPES([long long])
 
@@ -1136,17 +1149,25 @@ dnl    (.subsections-via-symbols assembler directive)
 
 
 AC_MSG_CHECKING(for .subsections_via_symbols)
-AC_TRY_COMPILE(,[__asm__ (".subsections_via_symbols");],
-    [
-        AC_MSG_RESULT(yes)
-        AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
-            [Define to 1 if Apple-style dead-stripping is supported.])
+AC_COMPILE_IFELSE(
+    [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
+    [AC_MSG_RESULT(yes)
+     AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
+               [Define to 1 if Apple-style dead-stripping is supported.])
     ],
-    [
-        AC_MSG_RESULT(no)
-        AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[0],
-            [Define to 1 if Apple-style dead-stripping is supported.])
-    ])
+    [AC_MSG_RESULT(no)])
+
+dnl *** check for GNU non-executable stack note support (ELF only)
+dnl     (.section .note.GNU-stack,"",@progbits)
+
+AC_MSG_CHECKING(for GNU non-executable stack support)
+AC_COMPILE_IFELSE(
+    [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
+    [AC_MSG_RESULT(yes)
+     AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
+               [Define to 1 if GNU non-executable stack notes are supported.])
+    ],
+    [AC_MSG_RESULT(no)])
 
 dnl ** check for librt
 AC_CHECK_LIB(rt, clock_gettime)