From 568251c2815ac5f41642c33d6cd7f22905add8b0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Beno=C3=AEt=20TH=C3=89BAUDEAU=22?=
 <benoit.thebaudeau@advansee.com>
Date: Fri, 29 Jul 2011 15:30:53 +0200
Subject: libc/glibc: add partial support for locales
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This patch adds partial support for glibc locales.

For now, it only generates the appropriate locales when the host and the target
have the same endianness and uint32_t alignment.

Signed-off-by: "Benoît THÉBAUDEAU" <benoit.thebaudeau@advansee.com>

diff --git a/config/libc/glibc-eglibc.in-common b/config/libc/glibc-eglibc.in-common
index 32cf357..0c88596 100644
--- a/config/libc/glibc-eglibc.in-common
+++ b/config/libc/glibc-eglibc.in-common
@@ -151,6 +151,15 @@ config LIBC_LOCALES
       Whether to build and install the libc locale files for the target,
       which is required in order to support internationalization.
 
+if LIBC_glibc && LIBC_LOCALES
+comment "WARNING!                                                     "
+comment "|  The built locales will be usable if and only if the build  "
+comment "|  machine and the target:                                    "
+comment "|   - have the same endianness,                               "
+comment "|   - and have the same alignment requirements for uint32_t.  "
+comment "|  You will have to check by yourself (for now).              "
+endif # LIBC_glibc && LIBC_LOCALES
+
 if KERNEL_linux
 
 choice LIBC_GLIBC_SUPPORTED_KERNEL
diff --git a/scripts/build/libc/glibc.sh b/scripts/build/libc/glibc.sh
index 195e618..e8b6637 100644
--- a/scripts/build/libc/glibc.sh
+++ b/scripts/build/libc/glibc.sh
@@ -55,3 +55,73 @@ do_libc_get() {
 do_libc_check_config() {
     :
 }
+
+# Extract the files required for the libc locales
+# Nothing to do
+do_libc_locales_extract() {
+    :
+}
+
+# Build and install the libc locales
+do_libc_locales() {
+    local src_dir="${CT_SRC_DIR}/glibc-${CT_LIBC_VERSION}"
+    local -a extra_config
+    local glibc_cflags
+
+    mkdir -p "${CT_BUILD_DIR}/build-localedef"
+    cd "${CT_BUILD_DIR}/build-localedef"
+
+    CT_DoLog EXTRA "Configuring C library localedef"
+
+    if [ "${CT_LIBC_EGLIBC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
+        extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
+        [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
+    fi
+
+    CT_DoLog DEBUG "Extra config args passed: '${extra_config[*]}'"
+
+    glibc_cflags="-O2 -fno-stack-protector"
+    case "${CT_LIBC_ENABLE_FORTIFIED_BUILD}" in
+        y)  ;;
+        *)  glibc_cflags+=" -U_FORTIFY_SOURCE";;
+    esac
+
+    # ./configure is misled by our tools override wrapper for bash
+    # so just tell it where the real bash is _on_the_target_!
+    # Notes:
+    # - ${ac_cv_path_BASH_SHELL} is only used to set BASH_SHELL
+    # - ${BASH_SHELL}            is only used to set BASH
+    # - ${BASH}                  is only used to set the shebang
+    #                            in two scripts to run on the target
+    # So we can safely bypass bash detection at compile time.
+    # Should this change in a future eglibc release, we'd better
+    # directly mangle the generated scripts _after_ they get built,
+    # or even after they get installed... eglibc is such a sucker...
+    echo "ac_cv_path_BASH_SHELL=/bin/bash" >>config.cache
+
+    # Configure with --prefix the way we want it on the target...
+
+    CT_DoExecLog CFG                                                \
+    CFLAGS="${glibc_cflags}"                                        \
+    "${src_dir}/configure"                                          \
+        --prefix=/usr                                               \
+        --cache-file="$(pwd)/config.cache"                          \
+        --without-cvs                                               \
+        --disable-profile                                           \
+        --without-gd                                                \
+        --disable-debug                                             \
+        "${extra_config[@]}"
+
+    CT_DoLog EXTRA "Building C library localedef"
+    CT_DoExecLog ALL make ${JOBSFLAGS}
+
+    # The target's endianness and uint32_t alignment should be passed as options
+    # to localedef, but glibc's localedef does not support these options, which
+    # means that the locale files generated here will be suitable for the target
+    # only if it has the same endianness and uint32_t alignment as the host's.
+
+    CT_DoLog EXTRA "Installing C library locales"
+    CT_DoExecLog ALL make ${JOBSFLAGS}                              \
+                          install_root="${CT_SYSROOT_DIR}"          \
+                          localedata/install-locales
+}
-- 
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