coarray_43.f90: Add "-latomic" option if libatomic_available.

[gcc.git] / libada / configure

diff --git a/libada/configure b/libada/configure
index 1e0ceefc86a4e08a2cd76608983c1ebaf958299f..5ab0e211aa0e515f16c88cba55a6dc84ae5a910f 100755 (executable)
--- a/libada/configure
+++ b/libada/configure
@@ -553,6 +553,7 @@ PACKAGE_URL=
 ac_unique_file="Makefile.in"
 ac_subst_vars='LTLIBOBJS
 LIBOBJS
+get_gcc_base_ver
 have_getipinfo
 default_gnatlib_target
 LN_S
@@ -633,6 +634,7 @@ enable_maintainer_mode
 enable_multilib
 enable_shared
 with_system_libunwind
+with_gcc_major_version_only
 '
       ac_precious_vars='build_alias
 host_alias
@@ -1261,6 +1263,8 @@ Optional Packages:
   --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
   --with-build-libsubdir=DIR  Directory where to find libraries for build system
   --with-system-libunwind use installed libunwind
+  --with-gcc-major-version-only
+                          use only GCC major number in filesystem paths
 
 Some influential environment variables:
   CC          C compiler command
@@ -2824,9 +2828,15 @@ fi
 case "${host}" in
     # PIC is the default on some targets or must not be used.
     *-*-darwin*)
-       # PIC is the default on this platform
-       # Common symbols not allowed in MH_DYLIB files
-       PICFLAG=-fno-common
+       # For darwin, common symbols are not allowed in MH_DYLIB files
+       case "${CFLAGS}" in
+         # If we are using a compiler supporting mdynamic-no-pic
+         # and the option has been tested as safe to add, then cancel
+         # it here, since the code generated is incompatible with shared
+         # libs.
+         *-mdynamic-no-pic*) PICFLAG='-fno-common -mno-dynamic-no-pic' ;;
+         *) PICFLAG=-fno-common ;;
+       esac
        ;;
     alpha*-dec-osf5*)
        # PIC is the default.
@@ -2834,9 +2844,11 @@ case "${host}" in
     hppa*64*-*-hpux*)
        # PIC is the default for 64-bit PA HP-UX.
        ;;
-    i[34567]86-*-cygwin* | i[34567]86-*-mingw* | x86_64-*-mingw*)
+    i[34567]86-*-cygwin* | x86_64-*-cygwin*)
+       ;;
+    i[34567]86-*-mingw* | x86_64-*-mingw*)
        ;;
-    i[34567]86-*-interix3*)
+    i[34567]86-*-interix[3-9]*)
        # Interix 3.x gcc -fpic/-fPIC options generate broken code.
        # Instead, we relocate shared libraries at runtime.
        ;;
@@ -2865,12 +2877,6 @@ case "${host}" in
     i[34567]86-*-* | x86_64-*-*)
        PICFLAG=-fpic
        ;;
-    m68k-*-*)
-       PICFLAG=-fpic
-       ;;
-    s390*-*-*)
-       PICFLAG=-fpic
-       ;;
     # FIXME: Override -fPIC default in libgcc only?
     sh-*-linux* | sh[2346lbe]*-*-linux*)
        PICFLAG=-fpic
@@ -3006,6 +3012,21 @@ if test x$have_unwind_getipinfo = xyes; then
 fi
 
 
+# Determine what GCC version number to use in filesystem paths.
+
+  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
+
+
+
+
 # Output: create a Makefile.
 ac_config_files="$ac_config_files Makefile"
 
@@ -3717,7 +3738,6 @@ CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
 CC="$CC"
 CXX="$CXX"
 GFORTRAN="$GFORTRAN"
-GCJ="$GCJ"
 
 _ACEOF