Under utils/ext-core, update README to mention that ext-core is now on Hackage

[ghc-hetmet.git] / aclocal.m4

diff --git a/aclocal.m4 b/aclocal.m4
index bb717ad..097ff9c 100644 (file)
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -237,17 +237,17 @@ fi
 AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version,
 changequote(, )dnl
 [if test x"$HappyCmd" != x; then
-   fptools_cv_happy_version="`$HappyCmd -v |
-                         grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'`" ;
+   fptools_cv_happy_version=`"$HappyCmd" -v |
+                         grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'` ;
 else
    fptools_cv_happy_version="";
 fi;
 changequote([, ])dnl
 ])
-if test ! -f compiler/parser/Parser.hs || test ! -f compiler/main/ParsePkgConf.hs || test ! -f compiler/cmm/CmmParse.hs || test ! -f compiler/parser/ParserCore.hs
+if test ! -f compiler/parser/Parser.hs || test ! -f compiler/cmm/CmmParse.hs || test ! -f compiler/parser/ParserCore.hs
 then
-    FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.15],
-      [AC_MSG_ERROR([Happy version 1.15 or later is required to compile GHC.])])[]dnl
+    FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.16],
+      [AC_MSG_ERROR([Happy version 1.16 or later is required to compile GHC.])])[]
 fi
 HappyVersion=$fptools_cv_happy_version;
 AC_SUBST(HappyVersion)
@@ -272,8 +272,8 @@ fi
 AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
 changequote(, )dnl
 [if test x"$AlexCmd" != x; then
-   fptools_cv_alex_version="`$AlexCmd -v |
-                         grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'`" ;
+   fptools_cv_alex_version=`"$AlexCmd" -v |
+                         grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'` ;
 else
    fptools_cv_alex_version="";
 fi;
@@ -282,7 +282,7 @@ changequote([, ])dnl
 if test ! -f compiler/cmm/CmmLex.hs || test ! -f compiler/parser/Lexer.hs
 then
     FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.1.0],
-      [AC_MSG_ERROR([Alex version 2.1.0 or later is required to compile GHC.])])[]dnl
+      [AC_MSG_ERROR([Alex version 2.1.0 or later is required to compile GHC.])])[]
 fi
 AlexVersion=$fptools_cv_alex_version;
 AC_SUBST(AlexVersion)
@@ -322,8 +322,8 @@ then
         changequote([, ])dnl
     ])
     FP_COMPARE_VERSIONS([$fptools_cv_windres_version],[-eq],[2.17.50],
-      [AC_MSG_ERROR([Your windres version isn't compatible with GHC. 2.15.91 and 2.18.50 are known to work.])])[]dnl
-    indResVersion=$fptools_cv_windres_version;
+      [AC_MSG_ERROR([Your windres version isn't compatible with GHC. 2.15.91 and 2.18.50 are known to work.])])[]
+    WindResVersion=$fptools_cv_windres_version;
     AC_SUBST(WindResVersion)
 fi
 ])
@@ -558,6 +558,7 @@ fi
 if test "$fp_have_gcc" = "NO" -a -d $srcdir/ghc; then
   AC_MSG_ERROR([gcc is required])
 fi
+GccLT34=
 AC_CACHE_CHECK([version of gcc], [fp_cv_gcc_version],
 [if test "$fp_have_gcc" = "YES"; then
    fp_cv_gcc_version="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [[^0-9]]*\([[0-9.]]*\).*/\1/g'`"
@@ -566,12 +567,14 @@ AC_CACHE_CHECK([version of gcc], [fp_cv_gcc_version],
    # See #2770: gcc 2.95 doesn't work any more, apparently.  There probably
    # isn't a very good reason for that, but for now just make configure
    # fail.
+   FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [3.4], GccLT34=YES)
  else
    fp_cv_gcc_version="not-installed"
  fi
 ])
 AC_SUBST([HaveGcc], [$fp_have_gcc])
 AC_SUBST([GccVersion], [$fp_cv_gcc_version])
+AC_SUBST(GccLT34)
 ])# FP_HAVE_GCC
 
 AC_DEFUN([FP_MINGW_GCC],
@@ -1017,7 +1020,7 @@ if test "$RELEASE" = "NO"; then
     elif test -d _darcs; then
         # TODO: Remove this branch after conversion to Git
         changequote(, )dnl
-        ver_date=`darcs changes --quiet --no-summary --xml | head -500 | grep 'date=' | sed "s/^.*date='\([0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]\).*$/\1/g" | sort -n | tail -1`
+        ver_date=`darcs changes --quiet --no-summary --xml | head -500 | grep 'date=' | sed "s/^.*date='\([0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]\).*$/\1/g" | ${SortCmd} -n | tail -1`
         if echo $ver_date | grep '^[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]$' 2>&1 >/dev/null; then true; else
         changequote([, ])dnl
                 AC_MSG_ERROR([failed to detect version date: check that darcs is in your path])