diff options
Diffstat (limited to 'scripts/build/libc')
| -rw-r--r-- | scripts/build/libc/glibc.sh | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/scripts/build/libc/glibc.sh b/scripts/build/libc/glibc.sh index f8c970da..192a0055 100644 --- a/scripts/build/libc/glibc.sh +++ b/scripts/build/libc/glibc.sh @@ -137,7 +137,7 @@ do_libc_backend() { CT_mkdir_pushd "${CT_BUILD_DIR}/build-libc-${libc_mode}${extra_dir//\//_}" - target=${CT_TARGET} + target=$( CT_DoMultilibTarget "${CT_TARGET}" ${extra_flags} ) case "${target}" in # SPARC quirk: glibc 2.23 and newer dropped support for SPARCv8 and # earlier (corresponding pthread barrier code is missing). Until this @@ -147,6 +147,18 @@ do_libc_backend() { target=${target/#sparc-/sparcv9-} fi ;; + # x86 quirk: architecture name is i386, but glibc expects i[4567]86 - to + # indicate the desired optimization. If it was a multilib variant of x86_64, + # then it targets at least NetBurst a.k.a. i786, but we'll follow arch/x86.sh + # and set the optimization to i686. Otherwise, replace with the most + # conservative choice, i486. + i386-*) + if [ "${CT_TARGET_ARCH}" = "x86_64" ]; then + target=${target/#i386-/i686-} + else + target=${target/#i386-/i486-} + fi + ;; esac do_libc_backend_once extra_dir="${extra_dir}" \ @@ -193,6 +205,7 @@ do_libc_backend() { # libc_full : Build full libc : bool : n # extra_flags : Extra CFLAGS to use (for multilib) : string : (empty) # extra_dir : Extra subdir for multilib : string : (empty) +# target : Build libc using this target (for multilib) : string : ${CT_TARGET} do_libc_backend_once() { local libc_headers local libc_startfiles @@ -213,6 +226,10 @@ do_libc_backend_once() { eval "${arg// /\\ }" done + if [ "${target}" = "" ]; then + target="${CT_TARGET}" + fi + CT_DoLog EXTRA "Configuring C library" case "${CT_LIBC}" in |