* MAINTAINERS: Add Alfred Szmidt for the Hurd.

[deliverable/binutils-gdb.git] / configure.in

diff --git a/configure.in b/configure.in
index 62338445b8501af24631e832f71a81ee4057cc16..dd5d21df275a914223601bc561a22450b6c5aa09 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -134,7 +134,6 @@ host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc sid sim gdb
 
 # libgcj represents the runtime libraries only used by gcj.
 libgcj="target-libffi \
-       target-boehm-gc \
        target-zlib \
        target-qthreads \
        target-libjava"
@@ -148,8 +147,8 @@ target_libraries="target-libiberty \
                target-libstdc++-v3 \
                target-libmudflap \
                target-libssp \
-               target-libgcc-math \
                target-libgfortran \
+               target-boehm-gc \
                ${libgcj} \
                target-libobjc \
                target-libada \
@@ -313,18 +312,6 @@ AC_ARG_ENABLE(libssp,
 ENABLE_LIBSSP=$enableval,
 ENABLE_LIBSSP=yes)
 
-# Set the default so we build libgcc-math for ix86 and x86_64
-AC_ARG_ENABLE(libgcc-math,
-[  --enable-libgcc-math   Builds libgcc-math directory],,
-[
-case "${target}" in
-  i?86-* | x86_64-* )
-    enable_libgcc_math=yes ;;
-  *)
-    enable_libgcc_math=no ;;
-esac
-])
-
 # Save it here so that, even in case of --enable-libgcj, if the Java
 # front-end isn't enabled, we still get libgcj disabled.
 libgcj_saved=$libgcj
@@ -366,7 +353,7 @@ if test x$enable_libgomp = x ; then
        ;;
     *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
        ;;
-    *-*-solaris2* | *-*-sysv4* | *-*-irix* | *-*-osf* | *-*-hpux*)
+    *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
        ;;
     *-*-darwin* | *-*-aix*)
        ;;
@@ -584,6 +571,9 @@ case "${target}" in
   hppa*64*-*-*)
     noconfigdirs="$noconfigdirs ${libgcj}"
     ;;
+  hppa*-hp-hpux11*)
+    noconfigdirs="$noconfigdirs ld shellutils"
+    ;;
   hppa*-*-*)
     # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
     # build on HP-UX 10.20.
@@ -1229,6 +1219,7 @@ if test -d ${srcdir}/gcc; then
         language=
         target_libs=
         lang_dirs=
+        subdir_requires=
         boot_language=
         build_by_default=
         need_gmp=
@@ -1262,6 +1253,21 @@ if test -d ${srcdir}/gcc; then
             ;;
         esac
 
+        # Disable languages that need other directories if these aren't available.
+       for i in $subdir_requires; do
+         test -f "$srcdir/gcc/$i/config-lang.in" && continue
+         case ,${enable_languages}, in
+            *,${language},*)
+              # Specifically requested language; tell them.
+              AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
+              ;;
+            *)
+              # Silently disable.
+              add_this_lang=no
+              ;;
+          esac
+       done
+
         # Disable languages that need GMP if it isn't available.
         case ,${enable_languages},:${have_gmp}:${need_gmp} in
           *,${language},*:no:yes)
@@ -1323,6 +1329,29 @@ for dir in $configdirs $build_configdirs $target_configdirs ; do
   fi
 done
 
+# Check for Boehm's garbage collector
+AC_ARG_ENABLE(objc-gc,
+[  --enable-objc-gc       enable the use of Boehm's garbage collector with
+                          the GNU Objective-C runtime.],
+[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
+  *,objc,*:*:yes:*target-boehm-gc*)
+    AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
+    ;;
+esac])
+
+# Make sure we only build Boehm's garbage collector if required.
+case ,${enable_languages},:${enable_objc_gc} in
+  *,objc,*:yes)
+    # Keep target-boehm-gc if requested for Objective-C.
+    ;;
+  *)
+    # Otherwise remove target-boehm-gc depending on target-libjava.
+    if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
+      noconfigdirs="$noconfigdirs target-boehm-gc"
+    fi
+    ;;
+esac
+
 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
 # $build_configdirs and $target_configdirs.
 # If we have the source for $noconfigdirs entries, add them to $notsupp.