commit:     30e32d9ed408fd786e9c1e16063c1228d123ebc1
Author:     Alfred Wingate <parona <AT> protonmail <DOT> com>
AuthorDate: Wed Apr 10 20:36:37 2024 +0000
Commit:     Sam James <sam <AT> gentoo <DOT> org>
CommitDate: Sat Apr 13 18:40:52 2024 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=30e32d9e

sys-libs/glibc: export CPP similarily to CC and CXX

* This is copies the approach that CC and CXX use, so that the correct
  abi is used. Otherwise an abi_x86_32 configure test could
  automagically enable CET which isn't available on abi_x86_32.

Bug: https://bugs.gentoo.org/927652
Signed-off-by: Alfred Wingate <parona <AT> protonmail.com>
Closes: https://github.com/gentoo/gentoo/pull/36200
Signed-off-by: Sam James <sam <AT> gentoo.org>

 sys-libs/glibc/glibc-2.39-r2.ebuild | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/sys-libs/glibc/glibc-2.39-r2.ebuild 
b/sys-libs/glibc/glibc-2.39-r2.ebuild
index 236484af1eeb..7624666b6723 100644
--- a/sys-libs/glibc/glibc-2.39-r2.ebuild
+++ b/sys-libs/glibc/glibc-2.39-r2.ebuild
@@ -589,10 +589,12 @@ setup_env() {
        # Reset CC and CXX to the value at start of emerge
        export CC=${glibc__ORIG_CC:-${CC:-$(tc-getCC ${CTARGET})}}
        export CXX=${glibc__ORIG_CXX:-${CXX:-$(tc-getCXX ${CTARGET})}}
+       export CPP=${glibc__ORIG_CPP:-${CPP:-$(tc-getCPP ${CTARGET})}}
 
        # and make sure glibc__ORIG_CC and glibc__ORIG_CXX is defined now.
        export glibc__ORIG_CC=${CC}
        export glibc__ORIG_CXX=${CXX}
+       export glibc__ORIG_CPP="${CPP}"
 
        if tc-is-clang && ! use custom-cflags && ! is_crosscompile ; then
                export glibc__force_gcc=yes
@@ -641,6 +643,7 @@ setup_env() {
 
                export CC="$(tc-getCC ${CTARGET})"
                export CXX="$(tc-getCXX ${CTARGET})"
+               export CPP="$(tc-getCPP ${CTARGET})"
 
                # Always use tuple-prefixed toolchain. For non-native ABI 
glibc's configure
                # can't detect them automatically due to ${CHOST} mismatch and 
fallbacks
@@ -657,6 +660,7 @@ setup_env() {
        # acts on CC?)
        export glibc__GLIBC_CC=${CC}
        export glibc__GLIBC_CXX=${CXX}
+       export glibc__GLIBC_CPP=${CPP}
 
        export glibc__abi_CFLAGS="$(get_abi_CFLAGS)"
 
@@ -672,6 +676,8 @@ setup_env() {
        # Some of the tests are written in C++, so we need to force our multlib 
abis in, bug 623548
        export CXX="${glibc__GLIBC_CXX} ${glibc__abi_CFLAGS} ${CFLAGS}"
 
+       export CPP="${glibc__GLIBC_CPP} ${glibc__abi_CFLAGS}"
+
        if is_crosscompile; then
                # Assume worst-case bootstrap: glibc is built for the first time
                # with ${CTARGET}-g++ not available yet. We avoid

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