macros.h (__glibcxx_check_valid_range_at): New.

[gcc.git] / libstdc++-v3 / configure.host

diff --git a/libstdc++-v3/configure.host b/libstdc++-v3/configure.host
index a349ce3dbd9ee0aef18680ce5aef4b7360b31a2b..caea9de9c7655600f9d0a3f8ff7b1fb5b793fc58 100644 (file)
--- a/libstdc++-v3/configure.host
+++ b/libstdc++-v3/configure.host
@@ -114,10 +114,6 @@ case "${host_cpu}" in
   hppa*)
     try_cpu=hppa
     ;;
-  mep*)
-    EXTRA_CXX_FLAGS=-mm
-    try_cpu=generic
-    ;;
   mips*)
     try_cpu=mips
     ;;
@@ -143,6 +139,9 @@ cpu_include_dir=cpu/${try_cpu}
 # Set specific CPU overrides for cpu_defines_dir. Most can just use generic.
 # THIS TABLE IS SORTED.  KEEP IT THAT WAY.
 case "${host_cpu}" in
+  arm*)
+    cpu_defines_dir=cpu/arm
+    ;;
   powerpc* | rs6000)
     cpu_defines_dir=cpu/powerpc
     ;;
@@ -153,21 +152,12 @@ esac
 # Most can just use generic.
 # THIS TABLE IS SORTED.  KEEP IT THAT WAY.
 case "${host_cpu}" in
-  alpha*)
-    atomic_word_dir=cpu/alpha
-    ;;
   cris*)
     atomic_word_dir=cpu/cris
     ;;
-  ia64)
-    atomic_word_dir=cpu/ia64
-    ;;
   i[4567]86 | x86_64)
     atomic_flags="-march=native"
     ;;
-  powerpc* | rs6000)
-    atomic_word_dir=cpu/powerpc
-    ;;
   sparc* | ultrasparc)
     atomic_word_dir=cpu/sparc
     atomic_flags="-mcpu=v9"
@@ -216,7 +206,6 @@ case "${host_os}" in
     # Newer versions of AIX only support PowerPC architecture, so use
     # atomic instructions directly.
     os_include_dir="os/aix"
-    atomic_word_dir="os/aix"
     ;;
   aix4.[3456789]*)
     # We set os_include_dir to os/aix only on AIX 4.3 and newer, but
@@ -224,12 +213,10 @@ case "${host_os}" in
     # explicitly duplicate the directory for 4.[<3].
     os_include_dir="os/aix"
     atomicity_dir="os/aix"
-    atomic_word_dir="os/aix"
     ;;
   aix4.*)
     os_include_dir="os/generic"
     atomicity_dir="os/aix"
-    atomic_word_dir="os/aix"
     ;;
   aix*)
     os_include_dir="os/generic"
@@ -274,7 +261,7 @@ case "${host_os}" in
   linux-musl*)
     os_include_dir="os/generic"
     ;;
-  gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu)
+  gnu* | linux* | kfreebsd*-gnu)
     if [ "$uclibc" = "yes" ]; then
       os_include_dir="os/uclibc"
     elif [ "$bionic" = "yes" ]; then
@@ -309,6 +296,10 @@ case "${host_os}" in
     os_include_dir="os/qnx/qnx6.1"
     c_model=c
     ;;
+  rtems*)
+    # Use libatomic if necessary and avoid libstdc++ specific atomicity support
+    atomicity_dir="cpu/generic/atomicity_builtins"
+    ;;
   solaris2)
     # This too-vague configuration does not provide enough information
     # to select a ctype include, and thus os_include_dir is a crap shoot.
@@ -376,7 +367,26 @@ case "${host}" in
     port_specific_symbol_files="\$(srcdir)/../config/os/bsd/darwin/ppc-extra.ver"
     ;;
   *-*-solaris2.1[0-9])
-    abi_baseline_pair=solaris2.10
+    # On Solaris 10 with Solaris ld, there's no COMDAT support.  GNU ld always
+    # provides it, as does Solaris ld since Solaris 11, leading to different
+    # baselines.
+    case "${host_os}:${with_gnu_ld}" in
+      # with_gnu_ld may either be unset (default) or no (with --without-gnu-ld).
+      solaris2.10: | solaris2.10:no)
+        abi_baseline_pair=solaris2.10
+       ;;
+      *)
+        abi_baseline_pair=solaris2.11
+       ;;
+    esac
+    case "${host_cpu}" in
+       i?86 | x86_64)
+           abi_baseline_pair=i386-${abi_baseline_pair}
+           ;;
+       sparc*)
+           abi_baseline_pair=sparc-${abi_baseline_pair}
+           ;;
+    esac
     abi_baseline_subdir_switch=--print-multi-os-directory
     ;;
 esac