Update top level configure files by synchronizing them with gcc.
[deliverable/binutils-gdb.git] / configure
index 0bf47fa8f65296c3fb3ff04e5f442afdef61e52b..2d615a99965229a4ea037ed5e79462836cf940f7 100755 (executable)
--- a/configure
+++ b/configure
@@ -556,7 +556,6 @@ enable_option_checking=no
 ac_subst_vars='LTLIBOBJS
 LIBOBJS
 compare_exclusions
-host_shared
 stage2_werror_flag
 stage1_checking
 stage1_cflags
@@ -641,14 +640,15 @@ CXXFLAGS_FOR_TARGET
 CFLAGS_FOR_TARGET
 DEBUG_PREFIX_CFLAGS_FOR_TARGET
 SYSROOT_CFLAGS_FOR_TARGET
+get_gcc_base_ver
 extra_host_zlib_configure_flags
 extra_host_libiberty_configure_flags
 stage1_languages
+host_shared
 extra_linker_plugin_flags
 extra_linker_plugin_configure_flags
 islinc
 isllibs
-islver
 poststage1_ldflags
 poststage1_libs
 stage1_ldflags
@@ -781,11 +781,13 @@ enable_isl_version_check
 enable_lto
 enable_linker_plugin_configure_flags
 enable_linker_plugin_flags
+enable_host_shared
 enable_stage1_languages
 enable_objc_gc
 with_target_bdw_gc
 with_target_bdw_gc_include
 with_target_bdw_gc_lib
+with_gcc_major_version_only
 with_build_sysroot
 with_debug_prefix_map
 with_build_config
@@ -795,7 +797,6 @@ with_build_time_tools
 enable_maintainer_mode
 enable_stage1_checking
 enable_werror
-enable_host_shared
 '
       ac_precious_vars='build_alias
 host_alias
@@ -1497,6 +1498,7 @@ Optional Features:
   --enable-linker-plugin-flags=FLAGS
                           additional flags for configuring and building linker
                           plugins [none]
+  --enable-host-shared    build host code as shared libraries
   --enable-stage1-languages[=all]
                           choose additional languages to build during stage1.
                           Mostly useful for compiler development
@@ -1514,7 +1516,6 @@ Optional Features:
                           choose additional checking for stage1 of the
                           compiler
   --enable-werror         enable -Werror in bootstrap stage2 and later
-  --enable-host-shared    build host code as shared libraries
 
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
@@ -1562,6 +1563,8 @@ Optional Packages:
                           files
   --with-target-bdw-gc-lib=PATHLIST
                           specify directories for installed bdw-gc library
+  --with-gcc-major-version-only
+                          use only GCC major number in filesystem paths
   --with-build-sysroot=SYSROOT
                           use sysroot as the system root during the build
   --with-debug-prefix-map='A=B C=D ...'
@@ -2748,8 +2751,8 @@ target_libraries="target-libgcc \
                target-libgloss \
                target-newlib \
                target-libgomp \
-               target-libcilkrts \
                target-liboffloadmic \
+               target-libhsail-rt \
                target-libatomic \
                target-libitm \
                target-libstdc++-v3 \
@@ -2957,7 +2960,7 @@ case "${ENABLE_GOLD}" in
       *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
       | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
       | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
-      | *-*-solaris2* | *-*-nto* | *-*-nacl* | *-*-fuchsia*)
+      | *-*-solaris2* | *-*-nto* | *-*-nacl*)
         case "${target}" in
           *-*-linux*aout* | *-*-linux*oldld*)
             ;;
@@ -3184,25 +3187,6 @@ $as_echo "yes" >&6; }
     fi
 fi
 
-# Disable libcilkrts on unsupported systems.
-if test -d ${srcdir}/libcilkrts; then
-    if test x$enable_libcilkrts = x; then
-       { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libcilkrts support" >&5
-$as_echo_n "checking for libcilkrts support... " >&6; }
-       if (srcdir=${srcdir}/libcilkrts; \
-               . ${srcdir}/configure.tgt; \
-               test -n "$UNSUPPORTED")
-       then
-           { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-           noconfigdirs="$noconfigdirs target-libcilkrts"
-       else
-           { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-       fi
-    fi
-fi
-
 # Disable liboffloadmic on unsupported systems.
 if test -d ${srcdir}/liboffloadmic; then
     if test x$enable_liboffloadmic != xno; then
@@ -3299,6 +3283,26 @@ $as_echo "yes" >&6; }
     fi
 fi
 
+# Disable libhsail-rt on unsupported systems.
+if test -d ${srcdir}/libhsail-rt; then
+    if test x$enable_libhsail_rt = x; then
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libhsail-rt support" >&5
+$as_echo_n "checking for libhsail-rt support... " >&6; }
+        if (srcdir=${srcdir}/libhsail-rt; \
+                . ${srcdir}/configure.tgt; \
+                test -n "$UNSUPPORTED")
+        then
+            { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+            unsupported_languages="$unsupported_languages brig"
+            # This implicitly disables also target-libhsail-rt as it won't
+            # get added to the build without BRIG FE.
+        else
+            { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+        fi
+    fi
+fi
 
 
 # Disable libquadmath for some systems.
@@ -3439,11 +3443,8 @@ case "${target}" in
     noconfigdirs="$noconfigdirs target-libffi"
     ;;
   powerpc-*-aix*)
-    # copied from rs6000-*-* entry
-    noconfigdirs="$noconfigdirs target-libffi"
     ;;
   rs6000-*-aix*)
-    noconfigdirs="$noconfigdirs target-libffi"
     ;;
   ft32-*-*)
     noconfigdirs="$noconfigdirs target-libffi"
@@ -3456,7 +3457,7 @@ esac
 # Disable the go frontend on systems where it is known to not work. Please keep
 # this in sync with contrib/config-list.mk.
 case "${target}" in
-*-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*)
+*-*-darwin* | *-*-cygwin* | *-*-mingw*)
     unsupported_languages="$unsupported_languages go"
     ;;
 esac
@@ -3472,9 +3473,6 @@ if test x$enable_libgo = x; then
     *-*-cygwin* | *-*-mingw*)
        noconfigdirs="$noconfigdirs target-libgo"
        ;;
-    *-*-aix*)
-       noconfigdirs="$noconfigdirs target-libgo"
-       ;;
     esac
 fi
 
@@ -5907,15 +5905,15 @@ $as_echo "$as_me: WARNING: using in-tree isl, disabling version check" >&2;}
     LDFLAGS="${_isl_saved_LDFLAGS} ${isllibs} ${gmplibs}"
     LIBS="${_isl_saved_LIBS} -lisl -lgmp"
 
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for isl 0.16, 0.15, or deprecated 0.14" >&5
-$as_echo_n "checking for isl 0.16, 0.15, or deprecated 0.14... " >&6; }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for isl 0.15 or later" >&5
+$as_echo_n "checking for isl 0.15 or later... " >&6; }
     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-#include <isl/ctx.h>
+#include <isl/schedule.h>
 int
 main ()
 {
-isl_ctx_get_max_operations (isl_ctx_alloc ());
+isl_options_set_schedule_serialize_sccs (NULL, 0);
   ;
   return 0;
 }
@@ -5931,36 +5929,8 @@ rm -f core conftest.err conftest.$ac_objext \
 $as_echo "$gcc_cv_isl" >&6; }
 
     if test "${gcc_cv_isl}" = no ; then
-      { $as_echo "$as_me:${as_lineno-$LINENO}: result: recommended isl version is 0.16 or 0.15, the minimum required isl version 0.14 is deprecated" >&5
-$as_echo "recommended isl version is 0.16 or 0.15, the minimum required isl version 0.14 is deprecated" >&6; }
-    fi
-
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for isl 0.16 or 0.15" >&5
-$as_echo_n "checking for isl 0.16 or 0.15... " >&6; }
-    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <isl/schedule.h>
-int
-main ()
-{
-isl_options_set_schedule_serialize_sccs (NULL, 0);
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_has_isl_options_set_schedule_serialize_sccs=yes
-else
-  ac_has_isl_options_set_schedule_serialize_sccs=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_has_isl_options_set_schedule_serialize_sccs" >&5
-$as_echo "$ac_has_isl_options_set_schedule_serialize_sccs" >&6; }
-
-    if test x"$ac_has_isl_options_set_schedule_serialize_sccs" = x"yes"; then
-      islver="0.15"
-
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: required isl version is 0.15 or later" >&5
+$as_echo "required isl version is 0.15 or later" >&6; }
     fi
 
     CFLAGS=$_isl_saved_CFLAGS
@@ -6042,7 +6012,7 @@ if test $target_elf = yes; then :
 else
   if test x"$default_enable_lto" = x"yes" ; then
     case $target in
-      *-apple-darwin9* | *-cygwin* | *-mingw* | *djgpp*) ;;
+      *-apple-darwin[912]* | *-cygwin* | *-mingw* | *djgpp*) ;;
       # On other non-ELF platforms, LTO has yet to be validated.
       *) enable_lto=no ;;
     esac
@@ -6087,6 +6057,16 @@ fi
 
 
 
+# Enable --enable-host-shared.
+# Checked early to determine whether jit is an 'all' language
+# Check whether --enable-host-shared was given.
+if test "${enable_host_shared+set}" = set; then :
+  enableval=$enable_host_shared; host_shared=$enableval
+else
+  host_shared=no
+fi
+
+
 
 # By default, C and C++ are the only stage 1 languages.
 stage1_languages=,c,
@@ -6105,7 +6085,7 @@ if test -d ${srcdir}/gcc; then
       enable_languages="${LANGUAGES}"
         echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
     else
-      enable_languages=all
+      enable_languages=default
     fi
   else
     if test x"${enable_languages}" = x ||
@@ -6153,10 +6133,16 @@ if test -d ${srcdir}/gcc; then
         language=
         lang_requires=
         lang_requires_boot_languages=
-        . ${lang_frag}
+        # set srcdir during sourcing lang_frag to the gcc dir.
+        # Sadly overriding srcdir on the . line doesn't work in plain sh as it
+        # polutes this shell
+        saved_srcdir=${srcdir}
+        srcdir=${srcdir}/gcc . ${lang_frag}
+        srcdir=${saved_srcdir}
         for other in ${lang_requires} ${lang_requires_boot_languages}; do
           case ,${enable_languages}, in
            *,$other,*) ;;
+           *,default,*) ;;
            *,all,*) ;;
            *,$language,*)
              echo " \`$other' language required by \`$language'; enabling" 1>&2
@@ -6168,6 +6154,7 @@ if test -d ${srcdir}/gcc; then
          if test "$other" != "c"; then
            case ,${enable_stage1_languages}, in
              *,$other,*) ;;
+             *,default,*) ;;
              *,all,*) ;;
              *)
                case ,${enable_languages}, in
@@ -6205,7 +6192,7 @@ if test -d ${srcdir}/gcc; then
     esac
   fi
 
-  missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
+  missing_languages=`echo ",$enable_languages," | sed -e s/,default,/,/ -e s/,all,/,/ -e s/,c,/,/ `
   potential_languages=,c,
 
   enabled_target_libs=
@@ -6226,7 +6213,10 @@ if test -d ${srcdir}/gcc; then
         subdir_requires=
         boot_language=no
         build_by_default=yes
-        . ${lang_frag}
+        # set srcdir during sourcing.  See above about save & restore
+        saved_srcdir=${srcdir}
+        srcdir=${srcdir}/gcc . ${lang_frag}
+        srcdir=${saved_srcdir}
         if test x${language} = x; then
           echo "${lang_frag} doesn't set \$language." 1>&2
           exit 1
@@ -6237,30 +6227,37 @@ if test -d ${srcdir}/gcc; then
        fi
 
         add_this_lang=no
-        case ,${enable_languages}, in
-          *,${language},*)
-            # Language was explicitly selected; include it
-           # unless it is C, which is enabled by default.
-           if test "$language" != "c"; then
+        # C is always enabled, so no need to add it again
+        if test "$language" != "c"; then
+          case ,${enable_languages}, in
+            *,${language},*)
+              # Language was explicitly selected; include it
              add_this_lang=yes
-           fi
-            ;;
-          *,all,*)
-            # 'all' was selected, select it if it is a default language
-           if test "$language" != "c"; then
+              ;;
+           *,all,*)
+             # All languages are enabled
+             add_this_lang=all
+              ;;
+            *,default,*)
+              # 'default' was selected, select it if it is a default language
              add_this_lang=${build_by_default}
-           fi
-            ;;
-        esac
+              ;;
+          esac
+        fi
 
         # 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},*)
+         case ${add_this_lang} in
+           yes)
               # Specifically requested language; tell them.
               as_fn_error "The gcc/$i directory contains parts of $language but is missing" "$LINENO" 5
               ;;
+            all)
+              { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: The gcc/$i directory contains parts of $language but is missing" >&5
+$as_echo "$as_me: WARNING: The gcc/$i directory contains parts of $language but is missing" >&2;}
+              add_this_lang=unsupported
+              ;;
             *)
               # Silently disable.
               add_this_lang=unsupported
@@ -6269,20 +6266,55 @@ if test -d ${srcdir}/gcc; then
        done
 
         # Disable Ada if no preexisting GNAT is available.
-        case ,${enable_languages},:${language}:${have_gnat} in
-          *,${language},*:ada:no)
+        case ${add_this_lang}:${language}:${have_gnat} in
+          yes:ada:no)
             # Specifically requested language; tell them.
             as_fn_error "GNAT is required to build $language" "$LINENO" 5
             ;;
+          all:ada:no)
+            { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: GNAT is required to build $language" >&5
+$as_echo "$as_me: WARNING: GNAT is required to build $language" >&2;}
+            add_this_lang=unsupported
+            ;;
           *:ada:no)
             # Silently disable.
             add_this_lang=unsupported
             ;;
         esac
 
-       # Disable a language that is unsupported by the target.
-       case " $unsupported_languages " in
-         *" $language "*)
+        # Disable jit if -enable-host-shared not specified
+        case ${add_this_lang}:${language}:${host_shared} in
+          yes:jit:no)
+           # PR jit/64780: explicitly specify --enable-host-shared
+           as_fn_error "
+Enabling language \"jit\" requires --enable-host-shared.
+
+--enable-host-shared typically slows the rest of the compiler down by
+a few %, so you must explicitly enable it.
+
+If you want to build both the jit and the regular compiler, it is often
+best to do this via two separate configure/builds, in separate
+directories, to avoid imposing the performance cost of
+--enable-host-shared on the regular compiler." "$LINENO" 5
+           ;;
+          all:jit:no)
+           { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: --enable-host-shared required to build $language" >&5
+$as_echo "$as_me: WARNING: --enable-host-shared required to build $language" >&2;}
+            add_this_lang=unsupported
+            ;;
+          *:jit:no)
+            # Silently disable.
+            add_this_lang=unsupported
+            ;;
+       esac
+
+        # Disable a language that is unsupported by the target.
+       case "${add_this_lang}: $unsupported_languages " in
+         no:*) ;;
+         unsupported:*) ;;
+         *:*" $language "*)
+           { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: ${language} not supported for this target" >&5
+$as_echo "$as_me: WARNING: ${language} not supported for this target" >&2;}
            add_this_lang=unsupported
            ;;
        esac
@@ -6299,7 +6331,7 @@ if test -d ${srcdir}/gcc; then
            noconfigdirs="$noconfigdirs $lang_dirs"
             potential_languages="${potential_languages}${language},"
            ;;
-          yes)
+          all|yes)
            new_enable_languages="${new_enable_languages}${language},"
             potential_languages="${potential_languages}${language},"
            missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
@@ -6437,19 +6469,19 @@ $as_echo "using paths configured with --with-target-bdw-gc options" >&6; }
   fi
 esac
 
-# Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
+# Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
 case ,${enable_languages}, in
   *,c++,*)
-    # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++
+    # Disable libitm, libsanitizer if we're not building libstdc++
     case "${noconfigdirs}" in
       *target-libstdc++-v3*)
-        noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer"
+        noconfigdirs="$noconfigdirs target-libitm target-libsanitizer"
         ;;
       *) ;;
     esac
     ;;
   *)
-    noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
+    noconfigdirs="$noconfigdirs target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
     ;;
 esac
 
@@ -6612,6 +6644,20 @@ if test "${PATH_SEPARATOR+set}" != set; then
 fi
 
 
+  get_gcc_base_ver="cat"
+
+# Check whether --with-gcc-major-version-only was given.
+if test "${with_gcc_major_version_only+set}" = set; then :
+  withval=$with_gcc_major_version_only; if test x$with_gcc_major_version_only = xyes ; then
+        get_gcc_base_ver="sed -e 's/^\([0-9]*\).*\$\$/\1/'"
+      fi
+
+fi
+
+
+
+
+
 
 if test "x$exec_prefix" = xNONE; then
         if test "x$prefix" = xNONE; then
@@ -6627,7 +6673,11 @@ fi
 # case, if there is no compiler in the tree nobody should use
 # AS_FOR_TARGET and LD_FOR_TARGET.
 if test x$host = x$build && test -f $srcdir/gcc/BASE-VER; then
-    gcc_version=`cat $srcdir/gcc/BASE-VER`
+    if test x$with_gcc_major_version_only = xyes ; then
+                gcc_version=`sed -e 's/^\([0-9]*\).*$/\1/' $srcdir/gcc/BASE-VER`
+            else
+        gcc_version=`cat $srcdir/gcc/BASE-VER`
+    fi
     gcc_cv_tool_dirs="$gcc_cv_tool_prefix/libexec/gcc/$target_noncanonical/$gcc_version$PATH_SEPARATOR"
     gcc_cv_tool_dirs="$gcc_cv_tool_dirs$gcc_cv_tool_prefix/libexec/gcc/$target_noncanonical$PATH_SEPARATOR"
     gcc_cv_tool_dirs="$gcc_cv_tool_dirs/usr/lib/gcc/$target_noncanonical/$gcc_version$PATH_SEPARATOR"
@@ -6855,6 +6905,9 @@ case "${target}" in
   nios2-*-elf*)
     target_makefile_frag="config/mt-nios2-elf"
     ;;
+  *-*-linux-android*)
+    target_makefile_frag="config/mt-android"
+    ;;
   *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
     target_makefile_frag="config/mt-gnu"
     ;;
 # Check whether --enable-werror was given.
 if test "${enable_werror+set}" = set; then :
   enableval=$enable_werror;
-else
-  if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
-  enable_werror=yes
-else
-  enable_werror=no
-fi
-fi
-
 case ${enable_werror} in
   yes) stage2_werror_flag="--enable-werror-always" ;;
   *) stage2_werror_flag="" ;;
 esac
 
-
-# Enable --enable-host-shared.
-# Check whether --enable-host-shared was given.
-if test "${enable_host_shared+set}" = set; then :
-  enableval=$enable_host_shared; host_shared=$enableval
 else
-  host_shared=no
-fi
 
+if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
+  case $BUILD_CONFIG in
+  bootstrap-debug)
+      stage2_werror_flag="--enable-werror-always" ;;
+  "")
+      stage2_werror_flag="--enable-werror-always" ;;
+  esac
+fi
 
+fi
 
-# PR jit/64780: Require the user to explicitly specify
-# --enable-host-shared if the jit is enabled, hinting
-# that they might want to do a separate configure/build of
-# the jit, to avoid users from slowing down the rest of the
-# compiler by enabling the jit.
-if test ${host_shared} = "no" ; then
-  case "${enable_languages}" in
-    *jit*)
-      as_fn_error "
-Enabling language \"jit\" requires --enable-host-shared.
 
---enable-host-shared typically slows the rest of the compiler down by
-a few %, so you must explicitly enable it.
 
-If you want to build both the jit and the regular compiler, it is often
-best to do this via two separate configure/builds, in separate
-directories, to avoid imposing the performance cost of
---enable-host-shared on the regular compiler." "$LINENO" 5
-      ;;
-    *)
-      ;;
-  esac
-fi
 
 # Specify what files to not compare during bootstrap.
 
 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
 case "$target" in
   hppa*64*-*-hpux*) ;;
-  hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
+  hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/* | gcc/function-tests.o" ;;
   powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
 esac
 
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