X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=configure.ac;h=c346c2cd536ca0de5cf475e8bafd0443921c1c32;hb=ddda4adc286e6a6e37702141f891a04552f18006;hp=df56cd1c64f5863dcffce92652c9b85298512197;hpb=5c0b3823c66fbdf7f9d1ddbc395307b1793fd600;p=deliverable%2Fbinutils-gdb.git

diff --git a/configure.ac b/configure.ac
index df56cd1c64..c346c2cd53 100644
--- a/configure.ac
+++ b/configure.ac
@@ -133,7 +133,7 @@ build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
 
 # these libraries are used by various programs built for the host environment
 #
-host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc isl cloog libelf libiconv"
+host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl cloog libelf libiconv"
 
 # these tools are built for the host environment
 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
@@ -152,6 +152,7 @@ libgcj="target-libffi \
 # the host libraries and the host tools (which may be a cross compiler)
 # Note that libiberty is not a target library.
 target_libraries="target-libgcc \
+		target-libbacktrace \
 		target-libgloss \
 		target-newlib \
 		target-libgomp \
@@ -426,6 +427,15 @@ AC_ARG_ENABLE(libssp,
 ENABLE_LIBSSP=$enableval,
 ENABLE_LIBSSP=yes)
 
+AC_ARG_ENABLE(libstdcxx,
+AS_HELP_STRING([--disable-libstdcxx],
+  [do not build libstdc++-v3 directory]),
+ENABLE_LIBSTDCXX=$enableval,
+ENABLE_LIBSTDCXX=default)
+[if test "${ENABLE_LIBSTDCXX}" = "no" ; then
+  noconfigdirs="$noconfigdirs libstdc++-v3"
+fi]
+
 # Save it here so that, even in case of --enable-libgcj, if the Java
 # front-end isn't enabled, we still get libgcj disabled.
 libgcj_saved=$libgcj
@@ -553,21 +563,31 @@ case "${target}" in
     ;;
 esac
 
-# Disable libstdc++-v3 for some systems.
+# Disable libquadmath for some systems.
 case "${target}" in
-  *-*-vxworks*)
-    # VxWorks uses the Dinkumware C++ library.
-    noconfigdirs="$noconfigdirs target-libstdc++-v3"
-    ;;
-  arm*-wince-pe*)
-    # the C++ libraries don't build on top of CE's C libraries
-    noconfigdirs="$noconfigdirs target-libstdc++-v3"
-    ;;
   avr-*-*)
-    noconfigdirs="$noconfigdirs target-libstdc++-v3"
+    noconfigdirs="$noconfigdirs target-libquadmath"
     ;;
 esac
 
+# Disable libstdc++-v3 for some systems.
+# Allow user to override this if they pass --enable-libstdc++-v3
+if test "${ENABLE_LIBSTDCXX}" = "default" ; then
+  case "${target}" in
+    *-*-vxworks*)
+      # VxWorks uses the Dinkumware C++ library.
+      noconfigdirs="$noconfigdirs target-libstdc++-v3"
+      ;;
+    arm*-wince-pe*)
+      # the C++ libraries don't build on top of CE's C libraries
+      noconfigdirs="$noconfigdirs target-libstdc++-v3"
+      ;;
+    avr-*-*)
+      noconfigdirs="$noconfigdirs target-libstdc++-v3"
+      ;;
+  esac
+fi
+
 # Disable Fortran for some systems.
 case "${target}" in
   mmix-*-*)
@@ -893,6 +913,13 @@ case "${target}" in
   arm-*-riscix*)
     noconfigdirs="$noconfigdirs ld target-libgloss"
     ;;
+  avr-*-rtems*)
+    ;;
+  avr-*-*)
+    if test x${with_avrlibc} != xno; then
+      noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+    fi
+    ;;
   c4x-*-* | tic4x-*-*)
     noconfigdirs="$noconfigdirs target-libgloss"
     ;;
@@ -1027,7 +1054,7 @@ case "${target}" in
   microblaze*)
     noconfigdirs="$noconfigdirs gprof"
     ;;
-  mips*-sde-elf*)
+  mips*-sde-elf* | mips*-mti-elf*)
     if test x$with_newlib = xyes; then
       noconfigdirs="$noconfigdirs gprof"
     fi
@@ -1167,6 +1194,26 @@ if test -z "$LD"; then
   fi
 fi
 
+# Check whether -static-libstdc++ -static-libgcc is supported.
+have_static_libs=no
+if test "$GCC" = yes; then
+  saved_LDFLAGS="$LDFLAGS"
+
+  LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
+  AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
+  AC_LANG_PUSH(C++)
+  AC_LINK_IFELSE([
+#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
+#error -static-libstdc++ not implemented
+#endif
+int main() {}],
+    [AC_MSG_RESULT([yes]); have_static_libs=yes],
+    [AC_MSG_RESULT([no])])
+  AC_LANG_POP(C++)
+
+  LDFLAGS="$saved_LDFLAGS"
+fi
+
 ACX_PROG_GNAT
 ACX_PROG_CMP_IGNORE_INITIAL
 
@@ -1353,7 +1400,7 @@ if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
   AC_TRY_COMPILE([#include "gmp.h"],[
   #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
   #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
-  #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
+  #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
   choke me
   #endif
   ], [AC_TRY_COMPILE([#include <gmp.h>],[
@@ -1463,17 +1510,6 @@ case $with_host_libstdcxx in
     ;;
 esac
 
-# Linker flags to use for stage1 or when not boostrapping.
-AC_ARG_WITH(stage1-ldflags,
-[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
-[if test "$withval" = "no" -o "$withval" = "yes"; then
-   stage1_ldflags=
- else
-   stage1_ldflags=$withval
- fi],
-[stage1_ldflags=])
-AC_SUBST(stage1_ldflags)
-
 # Libraries to use for stage1 or when not bootstrapping.
 AC_ARG_WITH(stage1-libs,
 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
@@ -1485,6 +1521,23 @@ AC_ARG_WITH(stage1-libs,
 [stage1_libs=$with_host_libstdcxx])
 AC_SUBST(stage1_libs)
 
+# Linker flags to use for stage1 or when not bootstrapping.
+AC_ARG_WITH(stage1-ldflags,
+[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
+[if test "$withval" = "no" -o "$withval" = "yes"; then
+   stage1_ldflags=
+ else
+   stage1_ldflags=$withval
+ fi],
+[stage1_ldflags=
+ # In stage 1, default to linking libstdc++ and libgcc statically with GCC
+ # if supported.  But if the user explicitly specified the libraries to use,
+ # trust that they are doing what they want.
+ if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
+   stage1_ldflags="-static-libstdc++ -static-libgcc"
+ fi])
+AC_SUBST(stage1_ldflags)
+
 # Libraries to use for stage2 and later builds.  This defaults to the
 # argument passed to --with-host-libstdcxx.
 AC_ARG_WITH(boot-libs,
@@ -1515,44 +1568,71 @@ AC_ARG_WITH(boot-ldflags,
  fi])
 AC_SUBST(poststage1_ldflags)
 
-# Check for ISL
-dnl Provide configure switches and initialize islinc & isllibs
-dnl with user input.
-ISL_INIT_FLAGS
-if test "x$with_isl" != "xno"; then
+# GCC GRAPHITE dependences, ISL and CLOOG which in turn requires ISL.
+# Basic setup is inlined here, actual checks are in config/cloog.m4 and
+# config/isl.m4
+
+AC_ARG_WITH(cloog,
+  [AS_HELP_STRING(
+    [--with-cloog=PATH],
+    [Specify prefix directory for the installed CLooG-ISL package.
+     Equivalent to --with-cloog-include=PATH/include
+     plus --with-cloog-lib=PATH/lib])])
+AC_ARG_WITH(isl,
+  [AS_HELP_STRING(
+   [--with-isl=PATH],
+   [Specify prefix directory for the installed ISL package.
+    Equivalent to --with-isl-include=PATH/include
+    plus --with-isl-lib=PATH/lib])])
+
+# Treat either --without-cloog or --without-isl as a request to disable
+# GRAPHITE support and skip all following checks.
+if test "x$with_isl" != "xno" &&
+   test "x$with_cloog" != "xno"; then
+  # Check for ISL
+  dnl Provide configure switches and initialize islinc & isllibs
+  dnl with user input.
+  ISL_INIT_FLAGS
   dnl The minimal version of ISL required for Graphite.
   ISL_CHECK_VERSION(0,10)
-
   dnl Only execute fail-action, if ISL has been requested.
   ISL_IF_FAILED([
     AC_MSG_ERROR([Unable to find a usable ISL.  See config.log for details.])])
-fi
 
-# Check for CLOOG
-dnl Provide configure switches and initialize clooginc & clooglibs
-dnl with user input.
-CLOOG_INIT_FLAGS
-if test "x$isllibs" = x && test "x$islinc" = x; then
-  clooglibs=
-  clooginc=
-elif test "x$with_cloog" != "xno"; then
-  dnl The minimal version of CLooG required for Graphite.
-  dnl
-  dnl If we use CLooG-Legacy, the provided version information is
-  dnl ignored.
-  CLOOG_CHECK_VERSION(0,17,0)
-
-  dnl Only execute fail-action, if CLooG has been requested.
-  CLOOG_IF_FAILED([
-    AC_MSG_ERROR([Unable to find a usable CLooG.  See config.log for details.])])
+  if test "x$gcc_cv_isl" != "xno"; then
+    # Check for CLOOG
+    dnl Provide configure switches and initialize clooginc & clooglibs
+    dnl with user input.
+    CLOOG_INIT_FLAGS
+    dnl The minimal version of CLooG required for Graphite.
+    dnl
+    dnl If we use CLooG-Legacy, the provided version information is
+    dnl ignored.
+    CLOOG_CHECK_VERSION(0,17,0)
+
+    dnl Only execute fail-action, if CLooG has been requested.
+    CLOOG_IF_FAILED([
+      AC_MSG_ERROR([Unable to find a usable CLooG.  See config.log for details.])])
+  fi
 fi
 
 # If either the ISL or the CLooG check failed, disable builds of in-tree
 # variants of both
-if test "x$clooglibs" = x && test "x$clooginc" = x; then
+if test "x$with_isl" = xno ||
+   test "x$with_cloog" = xno ||
+   test "x$gcc_cv_cloog" = xno ||
+   test "x$gcc_cv_isl" = xno; then
   noconfigdirs="$noconfigdirs cloog isl"
+  islinc=
+  clooginc=
+  clooglibs=
 fi
 
+AC_SUBST(islinc)
+AC_SUBST(clooglibs)
+AC_SUBST(clooginc)
+
+
 # Check for LTO support.
 AC_ARG_ENABLE(lto,
 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
@@ -1733,6 +1813,7 @@ if test -d ${srcdir}/gcc; then
 	  boot_language=yes
 	fi
 
+        add_this_lang=no
         case ,${enable_languages}, in
           *,${language},*)
             # Language was explicitly selected; include it
@@ -1743,10 +1824,9 @@ if test -d ${srcdir}/gcc; then
             ;;
           *,all,*)
             # 'all' was selected, select it if it is a default language
-            add_this_lang=${build_by_default}
-            ;;
-          *)
-            add_this_lang=no
+	    if test "$language" != "c"; then
+	      add_this_lang=${build_by_default}
+	    fi
             ;;
         esac
 
@@ -2219,7 +2299,7 @@ case "${target}" in
   spu-*-*)
     target_makefile_frag="config/mt-spu"
     ;;
-  mips*-sde-elf*)
+  mips*-sde-elf* | mips*-mti-elf*)
     target_makefile_frag="config/mt-sde"
     ;;
   mipsisa*-*-elfoabi*)
@@ -2759,7 +2839,7 @@ case " $target_configdirs " in
   *" --with-newlib "*)
    case "$target" in
     *-cygwin*)
-      FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/include -isystem $$s/winsup/cygwin/include -isystem $$s/winsup/w32api/include'
+      FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
       ;;
    esac