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 23b3f523bcf61d7c8fea0718ec3ad2b0add0a48b..caea9de9c7655600f9d0a3f8ff7b1fb5b793fc58 100644 (file)
--- a/libstdc++-v3/configure.host
+++ b/libstdc++-v3/configure.host
@@ -66,7 +66,7 @@
 #                          (defaults to empty in acinclude.m4)
 #
 #   port_specific_symbol_files
-#                          whitespace-seperated list of files containing
+#                          whitespace-separated list of files containing
 #                          additional symbols to export from the shared
 #                          library, when symbol versioning is in use
 #
@@ -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"
@@ -212,19 +202,21 @@ cpu_opt_ext_random=cpu/generic/opt/bits/opt_random.h
 # CPU-specifc, set those here too.
 # THIS TABLE IS SORTED.  KEEP IT THAT WAY.
 case "${host_os}" in
-  aix4.[3456789]* | aix[56789]*)
+  aix[56789]*)
+    # Newer versions of AIX only support PowerPC architecture, so use
+    # atomic instructions directly.
+    os_include_dir="os/aix"
+    ;;
+  aix4.[3456789]*)
     # We set os_include_dir to os/aix only on AIX 4.3 and newer, but
     # os/aix/atomicity.h works on earlier versions of AIX 4.*, so we
     # explicitly duplicate the directory for 4.[<3].
     os_include_dir="os/aix"
     atomicity_dir="os/aix"
-    atomic_word_dir="os/aix"
-    OPT_LDFLAGS="-Wl,-G"
     ;;
   aix4.*)
     os_include_dir="os/generic"
     atomicity_dir="os/aix"
-    atomic_word_dir="os/aix"
     ;;
   aix*)
     os_include_dir="os/generic"
@@ -260,10 +252,16 @@ case "${host_os}" in
     os_include_dir="os/djgpp"
     error_constants_dir="os/djgpp"
     ;;
+  dragonfly*)
+    os_include_dir="os/bsd/dragonfly"
+    ;;
   freebsd*)
     os_include_dir="os/bsd/freebsd"
     ;;
-  gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu)
+  linux-musl*)
+    os_include_dir="os/generic"
+    ;;
+  gnu* | linux* | kfreebsd*-gnu)
     if [ "$uclibc" = "yes" ]; then
       os_include_dir="os/uclibc"
     elif [ "$bionic" = "yes" ]; then
@@ -298,14 +296,18 @@ case "${host_os}" in
     os_include_dir="os/qnx/qnx6.1"
     c_model=c
     ;;
+  rtems*)
+    # Use libatomic if necessary and avoid libstdc++ specific atomicity support
+    atomicity_dir="cpu/generic/atomicity_builtins"
+    ;;
   solaris2)
     # This too-vague configuration does not provide enough information
     # to select a ctype include, and thus os_include_dir is a crap shoot.
-    echo "Please specify the full version of Solaris, ie. solaris2.9 " 1>&2
+    echo "Please specify the full version of Solaris, ie. solaris2.10 " 1>&2
     exit 1
     ;;
-  solaris2.9 | solaris2.1[0-9])
-    os_include_dir="os/solaris/solaris2.9"
+  solaris2.1[0-9])
+    os_include_dir="os/solaris/solaris2.10"
     ;;
   tpf)
     os_include_dir="os/tpf"
@@ -343,8 +345,13 @@ case "${host}" in
         abi_baseline_pair=x86_64-linux-gnu
         ;;
       *)
-        if test -d ${glibcxx_srcdir}/config/abi/post/${try_cpu}-linux-gnu; then
-          abi_baseline_pair=${try_cpu}-linux-gnu
+        if test $try_cpu = generic; then
+          try_abi_cpu=$host_cpu
+        else
+          try_abi_cpu=$try_cpu
+        fi
+        if test -d ${glibcxx_srcdir}/config/abi/post/${try_abi_cpu}-linux-gnu; then
+          abi_baseline_pair=${try_abi_cpu}-linux-gnu
         fi
     esac
     case "${host}" in
@@ -353,15 +360,33 @@ case "${host}" in
        ;;
     esac
     ;;
+  arm*-*-freebsd*)
+     port_specific_symbol_files="\$(srcdir)/../config/os/gnu-linux/arm-eabi-extra.ver"
+     ;;
   powerpc*-*-darwin*)
     port_specific_symbol_files="\$(srcdir)/../config/os/bsd/darwin/ppc-extra.ver"
     ;;
-  *-*-solaris2.9)
-    abi_baseline_pair=solaris2.9
-    abi_baseline_subdir_switch=--print-multi-os-directory
-    ;;
   *-*-solaris2.1[0-9])
-    abi_baseline_pair=solaris2.10
+    # On Solaris 10 with Solaris ld, there's no COMDAT support.  GNU ld always
+    # provides it, as does Solaris ld since Solaris 11, leading to different
+    # baselines.
+    case "${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