[gentoo-commits] proj/musl:master commit in: eclass/

[Anthony G. Basile]

commit:     1b84859faa3792c2f3431945c48b07d25bc055cb
Author:     Anthony G. Basile <blueness <AT> gentoo <DOT> org>
AuthorDate: Tue May  3 08:52:00 2016 +0000
Commit:     Anthony G. Basile <blueness <AT> gentoo <DOT> org>
CommitDate: Tue May  3 08:52:00 2016 +0000
URL:        https://gitweb.gentoo.org/proj/musl.git/commit/?id=1b84859f

toolchain.eclass: add gcc 6 support

 eclass/toolchain.eclass | 33 ++++++++++++++++++++++++++++++++-
 1 file changed, 32 insertions(+), 1 deletion(-)

diff --git a/eclass/toolchain.eclass b/eclass/toolchain.eclass
index a272810..1192f62 100644
--- a/eclass/toolchain.eclass
+++ b/eclass/toolchain.eclass
@@ -153,7 +153,7 @@ if [[ ${PN} != "kgcc64" && ${PN} != gcc-* ]] ; then
        # the older versions, we don't want to bother supporting it.  #448024
        tc_version_is_at_least 4.8 && IUSE+=" graphite" IUSE_DEF+=( sanitize )
        tc_version_is_at_least 4.9 && IUSE+=" cilk"
-       tc_version_is_at_least 5.0 && IUSE+=" jit"
+       tc_version_is_at_least 5.0 && IUSE+=" jit pch"
        tc_version_is_at_least 6.0 && IUSE+=" pie +ssp"
 fi
 
@@ -626,6 +626,23 @@ do_gcc_PIE_patches() {
 
 # configure to build with the hardened GCC specs as the default
 make_gcc_hard() {
+
+       # Gcc >= 6.X we don't need to sed in Makefile
+       # It have configurations options to turn pie/ssp on as default
+       if tc_version_is_at_least 6.0 ; then
+               if use hardened ; then
+                       # rebrand to make bug reports easier
+                       
BRANDING_GCC_PKGVERSION=${BRANDING_GCC_PKGVERSION/Gentoo/Gentoo Hardened}
+               fi
+               if use pie ; then
+                       einfo "Updating gcc to use automatic PIE building ..."
+               fi
+               if use ssp ; then
+                       einfo "Updating gcc to use automatic SSP building ..."
+               fi
+               return 1
+       fi
+
        # we want to be able to control the pie patch logic via something other
        # than ALL_CFLAGS...
        sed -e '/^ALL_CFLAGS/iHARD_CFLAGS = ' \
@@ -899,6 +916,11 @@ toolchain_src_configure() {
                confgcc+=( --enable-libstdcxx-time )
        fi
 
+       # Support to disable pch when building libstdcxx
+       if tc_version_is_at_least 5.0 && ! use pch ; then
+               confgcc+=( --disable-libstdcxx-pch )
+       fi
+
        # The jit language requires this.
        is_jit && confgcc+=( --enable-host-shared )
 
@@ -1915,6 +1937,11 @@ create_gcc_env_entry() {
 }
 
 copy_minispecs_gcc_specs() {
+       # on gcc 6 we don't need minispecs
+       if tc_version_is_at_least 6.0 ; then
+               return 0
+       fi
+
        # setup the hardenedno* specs files and the vanilla specs file.
        if hardened_gcc_works ; then
                create_gcc_env_entry hardenednopiessp
@@ -2263,6 +2290,10 @@ hardened_gcc_is_stable() {
 }
 
 want_minispecs() {
+       # on gcc 6 we don't need minispecs
+       if tc_version_is_at_least 6.0 ; then
+               return 0
+       fi
        if tc_version_is_at_least 4.3.2 && use hardened ; then
                if ! want_pie ; then
                        ewarn "PIE_VER or SPECS_VER is not defined in the GCC 
ebuild."