[patch] libstdc++: Scope configuration for vxworks to all versions

[Jonathan Wakely]

On 22/10/20 09:58 +0200, Olivier Hainque wrote:
>Hello,
>
>When libstdc++ is enabled for VxWorks, the high level
>libstdc++-v3 configuration bits should apply the same
>to all versions of the OS; also to vxworks7r2 in particular.
>
>This patch adjusts the triplets matching rules accordingly.
>
>We have been using this in gcc-9 based production toolchains
>for a while, I tested that we can get a functional gcc-10 based
>C++ + libstdc++ toolchain for Vx7r2 with this and sanity checked
>that a build with libstdc++ enabled for VxWorks 6 passes on
>mainline.

(Please CC the libstdc++ list for all lisbtdc++ patches)

Looks good, thanks.

>Olivier
>
>
>2010-10-21  Olivier Hainque  <hainque@adacore.com>
>
>libstdc++-v3/
>        * crossconfig.m4: Turn “vxworks" matcher into “vxworks*".
>        * configure.host: Likewise.
>        * configure: Regenerate.
>

>--- a/libstdc++-v3/configure
>+++ b/libstdc++-v3/configure
>@@ -73039,7 +73039,7 @@ done
>   CXXFLAGS="$ac_save_CXXFLAGS"
>
>     ;;
>-  *-vxworks)
>+  *-vxworks*)
>     $as_echo "#define HAVE_ACOSF 1" >>confdefs.h
>
>     $as_echo "#define HAVE_ASINF 1" >>confdefs.h
>diff --git a/libstdc++-v3/configure.host b/libstdc++-v3/configure.host
>index 8d1b60804f3d..ec32980aa0db 100644
>--- a/libstdc++-v3/configure.host
>+++ b/libstdc++-v3/configure.host
>@@ -303,7 +303,7 @@ case "${host_os}" in
>   tpf)
>     os_include_dir="os/tpf"
>     ;;
>-  vxworks)
>+  vxworks*)
>     os_include_dir="os/vxworks"
>     ;;
>   *)
>diff --git a/libstdc++-v3/crossconfig.m4 b/libstdc++-v3/crossconfig.m4
>index 9f2589b739eb..ff44d5ae0199 100644
>--- a/libstdc++-v3/crossconfig.m4
>+++ b/libstdc++-v3/crossconfig.m4
>@@ -276,7 +276,7 @@ case "${host}" in
>     GLIBCXX_CHECK_MATH_SUPPORT
>     GLIBCXX_CHECK_STDLIB_SUPPORT
>     ;;
>-  *-vxworks)
>+  *-vxworks*)
>     AC_DEFINE(HAVE_ACOSF)
>     AC_DEFINE(HAVE_ASINF)
>     AC_DEFINE(HAVE_ATAN2F)
>-- 
>2.17.1
>