(arm_is_longcall_p): Update comment describing this funciton's behaviour.

[pf3gnuchains/gcc-fork.git] / configure.in

diff --git a/configure.in b/configure.in
index eb52df1..9a04dad 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -358,8 +358,8 @@ no)
     ;;
 "")
     case "${target}" in
-    *-*-linux*)
-        # Enable libmudflap by default in GNU/Linux.
+    *-*-linux*-gnu | *-*-gnu* | *-*-k*bsd*-gnu)
+        # Enable libmudflap by default in GNU and friends.
        ;;
     *-*-freebsd*)
         # Enable libmudflap by default in FreeBSD.
@@ -479,9 +479,12 @@ case "${target}" in
   arm-*-coff | strongarm-*-coff | xscale-*-coff)
     noconfigdirs="$noconfigdirs ${libgcj}"
     ;;
-  arm-*-elf* | strongarm-*-elf* | xscale-*-elf*)
+  arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
     noconfigdirs="$noconfigdirs target-libffi target-qthreads"
     ;;
+  arm*-*-symbianelf*)
+    noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
+    ;;
   arm-*-pe*)
     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
     ;;
@@ -515,6 +518,9 @@ case "${target}" in
   cris-*-*)
     noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
     ;;
+  crx-*-*)
+    noconfigdirs="$noconfigdirs target-libgloss target-libstdc++-v3 target-mudflap ${libgcj}"
+    ;;
   d10v-*-*)
     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
     ;;
@@ -1027,33 +1033,48 @@ fi
 ACX_PROG_GNAT
 ACX_PROG_CMP_IGNORE_INITIAL
 
-# Check for GMP
+# Check for GMP and MPFR
 gmplibs=
 gmpinc=
 have_gmp=yes
+# Specify a location for mpfr
+# check for this first so it ends up on the link line before gmp.
+AC_ARG_WITH(mpfr-dir, [  --with-mpfr-dir=PATH    Specify source directory for MPFR library])
+
+if test "x$with_mpfr_dir" != x; then
+  gmpinc="-I$with_mpfr_dir/mpfr"
+  gmplibs="$with_mpfr_dir/libmpfr.a"
+else
+  gmplibs="-lmpfr"
+fi
+
+AC_ARG_WITH(mpfr, [  --with-mpfr=PATH        Specify directory for installed MPFR library])
+
+if test "x$with_mpfr" != x; then
+  gmplibs="-L$with_mpfr/lib $gmplibs"
+  gmpinc="-I$with_mpfr/include"
+fi
+
 # Specify a location for gmp
 AC_ARG_WITH(gmp-dir, [  --with-gmp-dir=PATH     Specify source directory for GMP library])
 
-if test "x$with_gmp_dir" != x && test -f "$with_gmp_dir/gmp.h"; then
-  gmpinc="-I$with_gmp_dir"
+if test "x$with_gmp_dir" != x; then
+  gmpinc="$gmpinc -I$with_gmp_dir"
   if test -f "$with_gmp_dir/.libs/libgmp.a"; then
-    gmplibs="$with_gmp_dir/.libs/libgmp.a"
+    gmplibs="$gmplibs $with_gmp_dir/.libs/libgmp.a"
   elif test -f "$with_gmp_dir/_libs/libgmp.a"; then
-    gmplibs="$with_gmp_dir/_libs/libgmp.a"
+    gmplibs="$gmplibs $with_gmp_dir/_libs/libgmp.a"
   fi
   # One of the later tests will catch the error if neither library is present.
+else
+  gmplibs="$gmplibs -lgmp"
 fi
 
 AC_ARG_WITH(gmp, [  --with-gmp=PATH         Specify directory for installed GMP library])
 
-if test "x$with_gmp" != x && test -d "$with_gmp"; then
-  gmplibs="-L$with_gmp/lib -lgmp"
-  gmpinc="-I$with_gmp/include"
-fi
-
-# Use system gmp if nothing else specified
-if test "x$gmplibs" = x; then
-  gmplibs="-lgmp"
+if test "x$with_gmp" != x; then
+  gmplibs="-L$with_gmp/lib $gmplibs"
+  gmpinc="-I$with_gmp/include $gmpinc"
 fi
 
 saved_CFLAGS="$CFLAGS"
@@ -1068,16 +1089,18 @@ choke me
   [AC_MSG_RESULT([no]); have_gmp=no])
 
 if test x"$have_gmp" = xyes; then
-  AC_MSG_CHECKING([for mpf_init in -lgmp])
+  AC_MSG_CHECKING([for MPFR])
 
   saved_LIBS="$LIBS"
   LIBS="$LIBS $gmplibs"
-  AC_TRY_LINK([#include <gmp.h>], [mpf_t n; mpf_init(n);],
+  AC_TRY_LINK([#include <gmp.h>
+#include <mpfr.h>], [mpfr_t n; mpfr_init(n);],
     [AC_MSG_RESULT([yes])],  [AC_MSG_RESULT([no]); have_gmp=no])
   LIBS="$saved_LIBS"
   CFLAGS="$saved_CFLAGS"
 fi
 
+# Flags needed for both GMP and/or MPFR
 AC_SUBST(gmplibs)
 AC_SUBST(gmpinc)
 
@@ -1417,8 +1440,8 @@ case "${target}" in
   powerpc-*-netware*)
     target_makefile_frag="config/mt-netware"
     ;;
-  *-*-linux*)
-    target_makefile_frag="config/mt-linux"
+  *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
+    target_makefile_frag="config/mt-gnu"
     ;;
   *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
     # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm