Make another parse error more informative

[ghc-hetmet.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 634b66b..33614e0 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -194,6 +194,22 @@ AC_ARG_WITH([iconv-libraries],
 AC_SUBST(ICONV_INCLUDE_DIRS)
 AC_SUBST(ICONV_LIB_DIRS)
 
+dnl Allow to specify gmp options to the toplevel configure script
+dnl so they can be properly passed to sub-builds.
+
+AC_ARG_WITH([gmp-includes],
+  [AC_HELP_STRING([--with-gmp-includes],
+    [directory containing gmp.h])],
+    [GMP_INCLUDE_DIRS=$withval])
+
+AC_ARG_WITH([gmp-libraries],
+  [AC_HELP_STRING([--with-gmp-libraries],
+    [directory containing gmp library])],
+    [GMP_LIB_DIRS=$withval])
+
+AC_SUBST(GMP_INCLUDE_DIRS)
+AC_SUBST(GMP_LIB_DIRS)
+
 dnl--------------------------------------------------------------------
 dnl * Choose host(/target/build) platform
 dnl--------------------------------------------------------------------
@@ -297,20 +313,18 @@ case $host in
     ;;
 i386-apple-darwin|powerpc-apple-darwin)
     soext='.dylib'
-    CFLAGS="$CFLAGS -m32"
-    LDFLAGS="$LDFLAGS -m32"
-    CONF_CC_OPTS="$CONF_CC_OPTS -m32"
-    CONF_LD_OPTS="$CONF_LD_OPTS -m32"
     ;;
 x86_64-apple-darwin)
     soext='.dylib'
-    CFLAGS="$CFLAGS -m64"
-    LDFLAGS="$LDFLAGS -m64"
-    CONF_CC_OPTS="$CONF_CC_OPTS -m64"
-    CONF_LD_OPTS="$CONF_LD_OPTS -m64"
     ;;
 esac
 
+FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS])
+FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_LD_OPTS_STAGE0])
+FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_LD_OPTS_STAGE1])
+# Stage 3 won't be supported by cross-compilation
+FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_LD_OPTS_STAGE2])
+
 checkArch() {
     case $1 in
     alpha|arm|hppa|hppa1_1|i386|ia64|m68k|mips|mipseb|mipsel|powerpc|powerpc64|rs6000|s390|sparc|sparc64|vax|x86_64)
@@ -553,8 +567,12 @@ FP_GCC_EXTRA_FLAGS
 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 AC_PROG_CPP
 
-AC_SUBST(CONF_CC_OPTS)
-AC_SUBST(CONF_LD_OPTS)
+AC_SUBST(CONF_CC_OPTS_STAGE0)
+AC_SUBST(CONF_CC_OPTS_STAGE1)
+AC_SUBST(CONF_CC_OPTS_STAGE2)
+AC_SUBST(CONF_LD_OPTS_STAGE0)
+AC_SUBST(CONF_LD_OPTS_STAGE1)
+AC_SUBST(CONF_LD_OPTS_STAGE2)
 
 dnl ** figure out how to do context diffs
 FP_PROG_CONTEXT_DIFF
@@ -650,7 +668,7 @@ dnl    off_t, because it will affect the result of that test.
 AC_SYS_LARGEFILE
 
 dnl ** check for specific header (.h) files that we are interested in
-AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
+AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/cpuset.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
 
 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 AC_HEADER_TIME
@@ -762,8 +780,11 @@ dnl    Keep that check as early as possible.
 dnl    as we need to know whether we need libm
 dnl    for math functions or not
 dnl    (see http://hackage.haskell.org/trac/ghc/ticket/3730)
-AC_SEARCH_LIBS(atan, m, 
-  [AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])])
+AC_CHECK_LIB(m, atan, HaveLibM=YES, HaveLibM=NO)
+if test $HaveLibM = YES
+then
+  AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])
+fi
 
 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
 dnl    the order of these tests matters: bfd needs liberty
@@ -823,6 +844,11 @@ AC_COMPILE_IFELSE(
 dnl *** check for GNU non-executable stack note support (ELF only)
 dnl     (.section .note.GNU-stack,"",@progbits)
 
+dnl This test doesn't work with "gcc -g" in gcc 4.4 (GHC trac #3889:
+dnl     Error: can't resolve `.note.GNU-stack' {.note.GNU-stack section} - `.Ltext0' {.text section}
+dnl so we empty CFLAGS while running this test
+CFLAGS2="$CFLAGS"
+CFLAGS=
 AC_MSG_CHECKING(for GNU non-executable stack support)
 AC_COMPILE_IFELSE(
     [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
@@ -831,6 +857,7 @@ AC_COMPILE_IFELSE(
                [Define to 1 if GNU non-executable stack notes are supported.])
     ],
     [AC_MSG_RESULT(no)])
+CFLAGS="$CFLAGS2"
 
 dnl ** check for librt
 AC_CHECK_LIB(rt, clock_gettime)