Include sysroots from Debian 6 up to 9

Also allow cross-compiling software to these targets by adding wrappers that calls GCC/G++ with the appropriate --sysroot option.
AmanoTeam · Aug 23, 2024 · 87c52ee · 87c52ee
1 parent 335914a
commit 87c52ee
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diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
@@ -17,7 +17,7 @@ jobs:
       id: check-cache
       uses: actions/cache@main
       with:
-        key: gcc-14.2.0
+        key: gcc-14.2.0-4
         lookup-only: true
         path: |
           /tmp/x86_64-linux-gnu.tar.xz
@@ -45,7 +45,7 @@ jobs:
       if: ${{ steps.check-cache.outputs.cache-hit != 'true' }}
       uses: actions/cache@main
       with:
-        key: gcc-14.2.0
+        key: gcc-14.2.0-4
         path: |
           /tmp/x86_64-linux-gnu.tar.xz
           /tmp/x86_64-linux-gnu.tar.xz.sha256
@@ -79,14 +79,10 @@ jobs:
     - uses: actions/checkout@main
       with:
         submodules: true
-    - name: Setup Python
-      uses: actions/setup-python@main
-      with:
-        python-version: '3.12'
     - name: Restore from cache
       uses: actions/cache@main
       with:
-        key: gcc-14.2.0
+        key: gcc-14.2.0-4
         fail-on-cache-miss: true
         path: |
           /tmp/x86_64-linux-gnu.tar.xz

diff --git a/.gitmodules b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "submodules/debian-sysroot"]
+	path = submodules/debian-sysroot
+	url = https://github.com/AmanoTeam/debian-sysroot
diff --git a/aarch64-unknown-linux-gnu.sh b/aarch64-unknown-linux-gnu.sh
@@ -1,10 +1,10 @@
 #!/bin/bash
 
 declare packages=(
-	'https://web.archive.org/web/0if_/https://archive.debian.org/debian/pool/main/l/linux/linux-libc-dev_3.16.56-1+deb8u1_arm64.deb'
-	'https://web.archive.org/web/0if_/https://archive.debian.org/debian/pool/main/g/glibc/libc6-dev_2.19-18+deb8u10_arm64.deb'
-	'https://web.archive.org/web/0if_/https://archive.debian.org/debian/pool/main/g/glibc/libc6_2.19-18+deb8u10_arm64.deb'
-	'https://web.archive.org/web/0if_/https://archive.debian.org/debian/pool/main/s/systemtap/systemtap-sdt-dev_2.6-0.2_arm64.deb'
+	'https://archive.debian.org/debian/pool/main/l/linux/linux-libc-dev_3.16.56-1+deb8u1_arm64.deb'
+	'https://archive.debian.org/debian/pool/main/g/glibc/libc6-dev_2.19-18+deb8u10_arm64.deb'
+	'https://archive.debian.org/debian/pool/main/g/glibc/libc6_2.19-18+deb8u10_arm64.deb'
+	'https://archive.debian.org/debian/pool/main/s/systemtap/systemtap-sdt-dev_2.6-0.2_arm64.deb'
 )
 
 declare extra_configure_flags=''

diff --git a/alpha-unknown-linux-gnu.sh b/alpha-unknown-linux-gnu.sh
@@ -1,9 +1,9 @@
 #!/bin/bash
 
 declare packages=(
-	'https://web.archive.org/web/0if_/https://archive.debian.org/debian/pool/main/l/linux-2.6/linux-libc-dev_2.6.26-29_alpha.deb'
-	'https://web.archive.org/web/0if_/https://archive.debian.org/debian/pool/main/g/glibc/libc6.1-dev_2.7-18lenny7_alpha.deb'
-	'https://web.archive.org/web/0if_/https://archive.debian.org/debian/pool/main/g/glibc/libc6.1_2.7-18lenny7_alpha.deb'
+	'https://archive.debian.org/debian/pool/main/l/linux-2.6/linux-libc-dev_2.6.26-29_alpha.deb'
+	'https://archive.debian.org/debian/pool/main/g/glibc/libc6.1-dev_2.7-18lenny7_alpha.deb'
+	'https://archive.debian.org/debian/pool/main/g/glibc/libc6.1_2.7-18lenny7_alpha.deb'
 )
 
 declare extra_configure_flags=''

diff --git a/arm-unknown-linux-gnueabi.sh b/arm-unknown-linux-gnueabi.sh
@@ -1,9 +1,9 @@
 #!/bin/bash
 
 declare packages=(
-	'https://web.archive.org/web/0if_/https://archive.debian.org/debian/pool/main/l/linux-2.6/linux-libc-dev_2.6.26-29_armel.deb'
-	'https://web.archive.org/web/0if_/https://archive.debian.org/debian/pool/main/g/glibc/libc6-dev_2.7-18lenny7_armel.deb'
-	'https://web.archive.org/web/0if_/https://archive.debian.org/debian/pool/main/g/glibc/libc6_2.7-18lenny7_armel.deb'
+	'https://archive.debian.org/debian/pool/main/l/linux-2.6/linux-libc-dev_2.6.26-29_armel.deb'
+	'https://archive.debian.org/debian/pool/main/g/glibc/libc6-dev_2.7-18lenny7_armel.deb'
+	'https://archive.debian.org/debian/pool/main/g/glibc/libc6_2.7-18lenny7_armel.deb'
 )
 
 declare extra_configure_flags='--with-arch=armv4t --with-float=soft --disable-libsanitizer'

diff --git a/arm-unknown-linux-gnueabihf.sh b/arm-unknown-linux-gnueabihf.sh
@@ -1,10 +1,10 @@
 #!/bin/bash
 
 declare packages=(
-	'https://web.archive.org/web/0if_/https://archive.debian.org/debian-security/pool/updates/main/l/linux/linux-libc-dev_3.2.102-1_armhf.deb'
-	'https://web.archive.org/web/0if_/https://archive.debian.org/debian-security/pool/updates/main/e/eglibc/libc6-dev_2.13-38+deb7u12_armhf.deb'
-	'https://web.archive.org/web/0if_/https://archive.debian.org/debian-security/pool/updates/main/e/eglibc/libc6_2.13-38+deb7u12_armhf.deb'
-	'https://web.archive.org/web/0if_/https://archive.debian.org/debian/pool/main/s/systemtap/systemtap-sdt-dev_1.7-1+deb7u1_armhf.deb'
+	'https://archive.debian.org/debian-security/pool/updates/main/l/linux/linux-libc-dev_3.2.102-1_armhf.deb'
+	'https://archive.debian.org/debian-security/pool/updates/main/e/eglibc/libc6-dev_2.13-38+deb7u12_armhf.deb'
+	'https://archive.debian.org/debian-security/pool/updates/main/e/eglibc/libc6_2.13-38+deb7u12_armhf.deb'
+	'https://archive.debian.org/debian/pool/main/s/systemtap/systemtap-sdt-dev_1.7-1+deb7u1_armhf.deb'
 )
 
 declare extra_configure_flags='--with-arch=armv7-a --with-fpu=vfpv3-d16 --with-float=hard --with-mode=thumb' 

diff --git a/build.sh b/build.sh
@@ -248,7 +248,7 @@ for target in "${targets[@]}"; do
 		--with-static-standard-libraries \
 		--with-bugurl='https://github.com/AmanoTeam/obggcc/issues' \
 		--with-gcc-major-version-only \
-		--with-pkgversion="OBGGCC v0.8-${obggcc_revision}" \
+		--with-pkgversion="OBGGCC v0.9-${obggcc_revision}" \
 		--with-sysroot="${toolchain_directory}/${triple}" \
 		--with-native-system-header-dir='/include' \
 		--enable-__cxa_atexit \
@@ -301,3 +301,37 @@ for target in "${targets[@]}"; do
 	patchelf --add-rpath '$ORIGIN/../../../../lib' "${toolchain_directory}/libexec/gcc/${triple}/"*'/cc1plus'
 	patchelf --add-rpath '$ORIGIN/../../../../lib' "${toolchain_directory}/libexec/gcc/${triple}/"*'/lto1'
 done
+
+declare cc='gcc'
+
+if ! (( is_native )); then
+	cc="${CC}"
+fi
+
+declare -r sysroot_tarball='/tmp/sysroot.tar.xz'
+declare -r executable='/tmp/gcc-wrapper'
+
+while read item; do
+	declare glibc_version="$(jq '.glibc_version' <<< "${item}")"
+	declare triplet="$(jq --raw-output '.triplet' <<< "${item}")"
+
+	"${cc}" \
+		"${workdir}/tools/gcc-wrapper/filesystem.c" \
+		"${workdir}/tools/gcc-wrapper/main.c" \
+		"${workdir}/tools/gcc-wrapper/path.c" \
+		-Os \
+		-s \
+		-o "${executable}"
+
+	cp "${executable}" "${toolchain_directory}/bin/${triplet}${glibc_version}-gcc"
+	cp "${executable}" "${toolchain_directory}/bin/${triplet}${glibc_version}-g++"
+
+	wget --no-verbose "https://github.com/AmanoTeam/debian-sysroot/releases/latest/download/${triplet}${glibc_version}.tar.xz" --output-document="${sysroot_tarball}"
+	tar --directory="${toolchain_directory}" --extract --file="${sysroot_tarball}"
+
+	# cp --recursive --no-dereference "${toolchain_directory}/${triplet}/bin" "${toolchain_directory}/${triplet}${glibc_version}"
+done <<< "$(jq --compact-output '.[]' "${workdir}/submodules/debian-sysroot/dist.json")"
+
+# for target in "${targets[@]}"; do
+#	rm --recursive "${toolchain_directory}/${target}"
+# done
diff --git a/hppa-unknown-linux-gnu.sh b/hppa-unknown-linux-gnu.sh
@@ -1,9 +1,9 @@
 #!/bin/bash
 
 declare packages=(
-	'https://web.archive.org/web/0if_/https://archive.debian.org/debian/pool/main/l/linux-2.6/linux-libc-dev_2.6.26-29_hppa.deb'
-	'https://web.archive.org/web/0if_/https://archive.debian.org/debian/pool/main/g/glibc/libc6-dev_2.7-18lenny7_hppa.deb'
-	'https://web.archive.org/web/0if_/https://archive.debian.org/debian/pool/main/g/glibc/libc6_2.7-18lenny7_hppa.deb'
+	'https://archive.debian.org/debian/pool/main/l/linux-2.6/linux-libc-dev_2.6.26-29_hppa.deb'
+	'https://archive.debian.org/debian/pool/main/g/glibc/libc6-dev_2.7-18lenny7_hppa.deb'
+	'https://archive.debian.org/debian/pool/main/g/glibc/libc6_2.7-18lenny7_hppa.deb'
 )
 
 declare extra_configure_flags='--disable-libsanitizer'

diff --git a/submodules/debian-sysroot b/submodules/debian-sysroot
diff --git a/toolchains/aarch64-unknown-linux-gnu.cmake b/toolchains/aarch64-unknown-linux-gnu.cmake
@@ -1,12 +1,13 @@
 set(CMAKE_SYSTEM_NAME "Linux")
 set(CMAKE_SYSTEM_PROCESSOR "aarch64")
 
-set(TOOLCHAIN_PREFIX "${CMAKE_SYSTEM_PROCESSOR}-unknown-linux-gnu")
+set(TARGET_GLIBC "2.19")
+set(TOOLCHAIN_PREFIX "${CMAKE_SYSTEM_PROCESSOR}-unknown-linux-gnu${TARGET_GLIBC}")
 
 set(TOOLCHAIN_PATH "$ENV{OBGGCC_TOOLCHAIN}")
 
-set(CMAKE_C_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-gcc" CACHE FILEPATH "cc")
-set(CMAKE_CXX_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-g++" CACHE FILEPATH "c++")
+set(CMAKE_C_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}${TARGET_GLIBC}-gcc" CACHE FILEPATH "cc")
+set(CMAKE_CXX_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}${TARGET_GLIBC}-g++" CACHE FILEPATH "c++")
 set(CMAKE_AR "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-ar" CACHE FILEPATH "ar")
 set(CMAKE_RANLIB "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-ranlib" CACHE FILEPATH "ranlib")
 set(CMAKE_STRIP "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-strip" CACHE FILEPATH "strip")

diff --git a/toolchains/aarch64-unknown-linux-gnu.sh b/toolchains/aarch64-unknown-linux-gnu.sh
@@ -2,10 +2,11 @@
 
 set -eu
 
+TARGET_GLIBC="2.19"
 CROSS_COMPILE_TRIPLET='aarch64-unknown-linux-gnu'
 
-CC="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-gcc"
-CXX="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-g++"
+CC="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}${TARGET_GLIBC}-gcc"
+CXX="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}${TARGET_GLIBC}-g++"
 AR="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-ar"
 AS="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-as"
 LD="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-ld"

diff --git a/toolchains/alpha-unknown-linux-gnu.cmake b/toolchains/alpha-unknown-linux-gnu.cmake
@@ -1,12 +1,13 @@
 set(CMAKE_SYSTEM_NAME "Linux")
 set(CMAKE_SYSTEM_PROCESSOR "alpha")
 
+set(TARGET_GLIBC "2.7")
 set(TOOLCHAIN_PREFIX "${CMAKE_SYSTEM_PROCESSOR}-unknown-linux-gnu")
 
 set(TOOLCHAIN_PATH "$ENV{OBGGCC_TOOLCHAIN}")
 
-set(CMAKE_C_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-gcc" CACHE FILEPATH "cc")
-set(CMAKE_CXX_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-g++" CACHE FILEPATH "c++")
+set(CMAKE_C_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}${TARGET_GLIBC}-gcc" CACHE FILEPATH "cc")
+set(CMAKE_CXX_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}${TARGET_GLIBC}-g++" CACHE FILEPATH "c++")
 set(CMAKE_AR "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-ar" CACHE FILEPATH "ar")
 set(CMAKE_RANLIB "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-ranlib" CACHE FILEPATH "ranlib")
 set(CMAKE_STRIP "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-strip" CACHE FILEPATH "strip")

diff --git a/toolchains/alpha-unknown-linux-gnu.sh b/toolchains/alpha-unknown-linux-gnu.sh
@@ -2,10 +2,11 @@
 
 set -eu
 
+TARGET_GLIBC='2.7'
 CROSS_COMPILE_TRIPLET='alpha-unknown-linux-gnu'
 
-CC="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-gcc"
-CXX="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-g++"
+CC="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}${TARGET_GLIBC}-gcc"
+CXX="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}${TARGET_GLIBC}-g++"
 AR="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-ar"
 AS="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-as"
 LD="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-ld"

diff --git a/toolchains/arm-unknown-linux-gnueabi.cmake b/toolchains/arm-unknown-linux-gnueabi.cmake
@@ -1,12 +1,13 @@
 set(CMAKE_SYSTEM_NAME "Linux")
 set(CMAKE_SYSTEM_PROCESSOR "arm")
 
+set(TARGET_GLIBC "2.7")
 set(TOOLCHAIN_PREFIX "${CMAKE_SYSTEM_PROCESSOR}-unknown-linux-gnueabi")
 
 set(TOOLCHAIN_PATH "$ENV{OBGGCC_TOOLCHAIN}")
 
-set(CMAKE_C_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-gcc" CACHE FILEPATH "cc")
-set(CMAKE_CXX_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-g++" CACHE FILEPATH "c++")
+set(CMAKE_C_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}${TARGET_GLIBC}-gcc" CACHE FILEPATH "cc")
+set(CMAKE_CXX_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}${TARGET_GLIBC}-g++" CACHE FILEPATH "c++")
 set(CMAKE_AR "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-ar" CACHE FILEPATH "ar")
 set(CMAKE_RANLIB "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-ranlib" CACHE FILEPATH "ranlib")
 set(CMAKE_STRIP "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-strip" CACHE FILEPATH "strip")

diff --git a/toolchains/arm-unknown-linux-gnueabi.sh b/toolchains/arm-unknown-linux-gnueabi.sh
@@ -2,10 +2,11 @@
 
 set -eu
 
+TARGET_GLIBC='2.7'
 CROSS_COMPILE_TRIPLET='arm-unknown-linux-gnueabi'
 
-CC="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-gcc"
-CXX="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-g++"
+CC="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}${TARGET_GLIBC}-gcc"
+CXX="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}${TARGET_GLIBC}-g++"
 AR="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-ar"
 AS="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-as"
 LD="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-ld"

diff --git a/toolchains/arm-unknown-linux-gnueabihf.cmake b/toolchains/arm-unknown-linux-gnueabihf.cmake
@@ -1,12 +1,13 @@
 set(CMAKE_SYSTEM_NAME "Linux")
 set(CMAKE_SYSTEM_PROCESSOR "arm")
 
+set(TARGET_GLIBC "2.13")
 set(TOOLCHAIN_PREFIX "${CMAKE_SYSTEM_PROCESSOR}-unknown-linux-gnueabihf")
 
 set(TOOLCHAIN_PATH "$ENV{OBGGCC_TOOLCHAIN}")
 
-set(CMAKE_C_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-gcc" CACHE FILEPATH "cc")
-set(CMAKE_CXX_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-g++" CACHE FILEPATH "c++")
+set(CMAKE_C_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}${TARGET_GLIBC}-gcc" CACHE FILEPATH "cc")
+set(CMAKE_CXX_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}${TARGET_GLIBC}-g++" CACHE FILEPATH "c++")
 set(CMAKE_AR "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-ar" CACHE FILEPATH "ar")
 set(CMAKE_RANLIB "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-ranlib" CACHE FILEPATH "ranlib")
 set(CMAKE_STRIP "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-strip" CACHE FILEPATH "strip")

diff --git a/toolchains/arm-unknown-linux-gnueabihf.sh b/toolchains/arm-unknown-linux-gnueabihf.sh
@@ -2,10 +2,11 @@
 
 set -eu
 
+TARGET_GLIBC='2.13'
 CROSS_COMPILE_TRIPLET='arm-unknown-linux-gnueabihf'
 
-CC="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-gcc"
-CXX="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-g++"
+CC="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}${TARGET_GLIBC}-gcc"
+CXX="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}${TARGET_GLIBC}-g++"
 AR="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-ar"
 AS="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-as"
 LD="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-ld"

diff --git a/toolchains/hppa-unknown-linux-gnu.cmake b/toolchains/hppa-unknown-linux-gnu.cmake
@@ -1,12 +1,13 @@
 set(CMAKE_SYSTEM_NAME "Linux")
 set(CMAKE_SYSTEM_PROCESSOR "hppa")
 
+set(TARGET_GLIBC "2.7")
 set(TOOLCHAIN_PREFIX "${CMAKE_SYSTEM_PROCESSOR}-unknown-linux-gnu")
 
 set(TOOLCHAIN_PATH "$ENV{OBGGCC_TOOLCHAIN}")
 
-set(CMAKE_C_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-gcc" CACHE FILEPATH "cc")
-set(CMAKE_CXX_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-g++" CACHE FILEPATH "c++")
+set(CMAKE_C_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}${TARGET_GLIBC}-gcc" CACHE FILEPATH "cc")
+set(CMAKE_CXX_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}${TARGET_GLIBC}-g++" CACHE FILEPATH "c++")
 set(CMAKE_AR "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-ar" CACHE FILEPATH "ar")
 set(CMAKE_RANLIB "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-ranlib" CACHE FILEPATH "ranlib")
 set(CMAKE_STRIP "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-strip" CACHE FILEPATH "strip")

diff --git a/toolchains/hppa-unknown-linux-gnu.sh b/toolchains/hppa-unknown-linux-gnu.sh
@@ -2,10 +2,11 @@
 
 set -eu
 
+TARGET_GLIBC='2.7'
 CROSS_COMPILE_TRIPLET='hppa-unknown-linux-gnu'
 
-CC="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-gcc"
-CXX="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-g++"
+CC="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}${TARGET_GLIBC}-gcc"
+CXX="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}${TARGET_GLIBC}-g++"
 AR="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-ar"
 AS="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-as"
 LD="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-ld"

diff --git a/toolchains/i386-unknown-linux-gnu.cmake b/toolchains/i386-unknown-linux-gnu.cmake
@@ -1,12 +1,13 @@
 set(CMAKE_SYSTEM_NAME "Linux")
 set(CMAKE_SYSTEM_PROCESSOR "i386")
 
+set(TARGET_GLIBC "2.7")
 set(TOOLCHAIN_PREFIX "${CMAKE_SYSTEM_PROCESSOR}-unknown-linux-gnu")
 
 set(TOOLCHAIN_PATH "$ENV{OBGGCC_TOOLCHAIN}")
 
-set(CMAKE_C_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-gcc" CACHE FILEPATH "cc")
-set(CMAKE_CXX_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-g++" CACHE FILEPATH "c++")
+set(CMAKE_C_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}${TARGET_GLIBC}-gcc" CACHE FILEPATH "cc")
+set(CMAKE_CXX_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}${TARGET_GLIBC}-g++" CACHE FILEPATH "c++")
 set(CMAKE_AR "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-ar" CACHE FILEPATH "ar")
 set(CMAKE_RANLIB "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-ranlib" CACHE FILEPATH "ranlib")
 set(CMAKE_STRIP "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-strip" CACHE FILEPATH "strip")

diff --git a/toolchains/i386-unknown-linux-gnu.sh b/toolchains/i386-unknown-linux-gnu.sh
@@ -2,10 +2,11 @@
 
 set -eu
 
+TARGET_GLIBC='2.7'
 CROSS_COMPILE_TRIPLET='i386-unknown-linux-gnu'
 
-CC="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-gcc"
-CXX="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-g++"
+CC="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}${TARGET_GLIBC}-gcc"
+CXX="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}${TARGET_GLIBC}-g++"
 AR="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-ar"
 AS="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-as"
 LD="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-ld"

diff --git a/toolchains/ia64-unknown-linux-gnu.cmake b/toolchains/ia64-unknown-linux-gnu.cmake
@@ -1,12 +1,13 @@
 set(CMAKE_SYSTEM_NAME "Linux")
 set(CMAKE_SYSTEM_PROCESSOR "ia64")
 
+set(TARGET_GLIBC "2.7")
 set(TOOLCHAIN_PREFIX "${CMAKE_SYSTEM_PROCESSOR}-unknown-linux-gnu")
 
 set(TOOLCHAIN_PATH "$ENV{OBGGCC_TOOLCHAIN}")
 
-set(CMAKE_C_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-gcc" CACHE FILEPATH "cc")
-set(CMAKE_CXX_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-g++" CACHE FILEPATH "c++")
+set(CMAKE_C_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}${TARGET_GLIBC}-gcc" CACHE FILEPATH "cc")
+set(CMAKE_CXX_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}${TARGET_GLIBC}-g++" CACHE FILEPATH "c++")
 set(CMAKE_AR "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-ar" CACHE FILEPATH "ar")
 set(CMAKE_RANLIB "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-ranlib" CACHE FILEPATH "ranlib")
 set(CMAKE_STRIP "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-strip" CACHE FILEPATH "strip")

diff --git a/toolchains/ia64-unknown-linux-gnu.sh b/toolchains/ia64-unknown-linux-gnu.sh
@@ -2,10 +2,11 @@
 
 set -eu
 
+TARGET_GLIBC='2.7'
 CROSS_COMPILE_TRIPLET='ia64-unknown-linux-gnu'
 
-CC="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-gcc"
-CXX="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-g++"
+CC="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}${TARGET_GLIBC}-gcc"
+CXX="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}${TARGET_GLIBC}-g++"
 AR="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-ar"
 AS="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-as"
 LD="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-ld"

diff --git a/toolchains/mips-unknown-linux-gnu.cmake b/toolchains/mips-unknown-linux-gnu.cmake
@@ -1,12 +1,13 @@
 set(CMAKE_SYSTEM_NAME "Linux")
 set(CMAKE_SYSTEM_PROCESSOR "mips")
 
+set(TARGET_GLIBC "2.7")
 set(TOOLCHAIN_PREFIX "${CMAKE_SYSTEM_PROCESSOR}-unknown-linux-gnu")
 
 set(TOOLCHAIN_PATH "$ENV{OBGGCC_TOOLCHAIN}")
 
-set(CMAKE_C_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-gcc" CACHE FILEPATH "cc")
-set(CMAKE_CXX_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-g++" CACHE FILEPATH "c++")
+set(CMAKE_C_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}${TARGET_GLIBC}-gcc" CACHE FILEPATH "cc")
+set(CMAKE_CXX_COMPILER "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}${TARGET_GLIBC}-g++" CACHE FILEPATH "c++")
 set(CMAKE_AR "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-ar" CACHE FILEPATH "ar")
 set(CMAKE_RANLIB "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-ranlib" CACHE FILEPATH "ranlib")
 set(CMAKE_STRIP "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-strip" CACHE FILEPATH "strip")

diff --git a/toolchains/mips-unknown-linux-gnu.sh b/toolchains/mips-unknown-linux-gnu.sh
@@ -2,10 +2,11 @@
 
 set -eu
 
+TARGET_GLIBC='2.7'
 CROSS_COMPILE_TRIPLET='mips-unknown-linux-gnu'
 
-CC="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-gcc"
-CXX="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-g++"
+CC="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}${TARGET_GLIBC}-gcc"
+CXX="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}${TARGET_GLIBC}-g++"
 AR="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-ar"
 AS="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-as"
 LD="${OBGGCC_TOOLCHAIN}/bin/${CROSS_COMPILE_TRIPLET}-ld"