From 625ddc83690d39184291ef1641a097e0fe3c7db5 Mon Sep 17 00:00:00 2001
From: Kartatz <105828205+Kartatz@users.noreply.github.com>
Date: Sat, 1 Feb 2025 15:37:52 -0300
Subject: [PATCH] Add toolchains for CentOS 7

---
 README.md                                     |  5 ++-
 .../i386-unknown-linux-gnu2.17.cmake          | 25 +++++++++++
 .../autotools/i386-unknown-linux-gnu2.17.sh   | 45 +++++++++++++++++++
 .../x86_64-unknown-linux-gnu2.17.cmake        | 25 +++++++++++
 .../autotools/x86_64-unknown-linux-gnu2.17.sh | 45 +++++++++++++++++++
 5 files changed, 143 insertions(+), 2 deletions(-)
 create mode 100644 tools/dev/autotools/i386-unknown-linux-gnu2.17.cmake
 create mode 100644 tools/dev/autotools/i386-unknown-linux-gnu2.17.sh
 create mode 100644 tools/dev/autotools/x86_64-unknown-linux-gnu2.17.cmake
 create mode 100644 tools/dev/autotools/x86_64-unknown-linux-gnu2.17.sh

diff --git a/README.md b/README.md
index 68351fa..c08cf05 100644
--- a/README.md
+++ b/README.md
@@ -25,15 +25,16 @@ OBGGCC can also be useful if you just want to test whether your program builds o
 
 ## Supported targets
 
-Currently, OBGGCC provides cross-compilers targeting 7 major Debian releases on 16 system architectures.
+Currently, OBGGCC provides cross-compilers targeting 7 major Debian releases and 1 major CentOS release on 16 system architectures.
 
-### Debian releases
+### Distributions
 
 | distribution_version     | glibc_version    | linux_version   | availability_date | 
 | ------------------------- | ---------------- | ---------------- | ------------------ |
 | Debian 5 (Lenny)          | Glibc 2.7        | Linux 2.6       | 2009               |
 | Debian 6 (Squeeze)        | Glibc 2.11       | Linux 2.6       | 2011               |
 | Debian 7 (Wheezy)         | Glibc 2.13       | Linux 3.2       | 2013               |
+| CentOS 7                          | Glibc 2.17       | Linux 3.10       | 2014               |
 | Debian 8 (Jessie)         | Glibc 2.19       | Linux 3.16      | 2015               |
 | Debian 9 (Stretch)        | Glibc 2.24       | Linux 4.9       | 2017               |
 | Debian 10 (Buster)        | Glibc 2.28       | Linux 4.19      | 2019               |
diff --git a/tools/dev/autotools/i386-unknown-linux-gnu2.17.cmake b/tools/dev/autotools/i386-unknown-linux-gnu2.17.cmake
new file mode 100644
index 0000000..7cc10cc
--- /dev/null
+++ b/tools/dev/autotools/i386-unknown-linux-gnu2.17.cmake
@@ -0,0 +1,25 @@
+set(CMAKE_SYSTEM_NAME "Linux")
+set(CMAKE_SYSTEM_PROCESSOR "i386")
+
+set(TARGET_GLIBC "2.17")
+set(TOOLCHAIN_PREFIX "${CMAKE_SYSTEM_PROCESSOR}-unknown-linux-gnu")
+
+set(TOOLCHAIN_PATH "$ENV{OBGGCC_HOME}")
+
+if ("${TOOLCHAIN_PATH}" STREQUAL "")
+	set(TOOLCHAIN_PATH "${CMAKE_CURRENT_LIST_DIR}/../..")
+endif()
+
+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")
+set(CMAKE_OBJCOPY "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-objcopy" CACHE FILEPATH "objcopy")
+set(CMAKE_NM "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-nm" CACHE FILEPATH "nm")
+
+set(CMAKE_FIND_ROOT_PATH "${TOOLCHAIN_PATH}/${TOOLCHAIN_PREFIX}${TARGET_GLIBC}" CACHE FILEPATH "sysroot")
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
diff --git a/tools/dev/autotools/i386-unknown-linux-gnu2.17.sh b/tools/dev/autotools/i386-unknown-linux-gnu2.17.sh
new file mode 100644
index 0000000..dfaf296
--- /dev/null
+++ b/tools/dev/autotools/i386-unknown-linux-gnu2.17.sh
@@ -0,0 +1,45 @@
+#/bin/bash
+
+set -e
+
+if [ -z "${OBGGCC_HOME}" ]; then
+	OBGGCC_HOME="$(realpath "$(dirname "${0}")")/../.."
+fi
+
+set -u
+
+CROSS_COMPILE_TRIPLET='i386-unknown-linux-gnu'
+CROSS_COMPILE_SYSTEM='linux'
+CROSS_COMPILE_ARCHITECTURE='i386'
+CROSS_COMPILE_GLIBCVER='2.17'
+CROSS_COMPILE_SYSROOT="${OBGGCC_HOME}/${CROSS_COMPILE_TRIPLET}${CROSS_COMPILE_GLIBCVER}"
+
+CC="${OBGGCC_HOME}/bin/${CROSS_COMPILE_TRIPLET}${CROSS_COMPILE_GLIBCVER}-gcc"
+CXX="${OBGGCC_HOME}/bin/${CROSS_COMPILE_TRIPLET}${CROSS_COMPILE_GLIBCVER}-g++"
+AR="${OBGGCC_HOME}/bin/${CROSS_COMPILE_TRIPLET}-ar"
+AS="${OBGGCC_HOME}/bin/${CROSS_COMPILE_TRIPLET}-as"
+LD="${OBGGCC_HOME}/bin/${CROSS_COMPILE_TRIPLET}-ld"
+NM="${OBGGCC_HOME}/bin/${CROSS_COMPILE_TRIPLET}-nm"
+RANLIB="${OBGGCC_HOME}/bin/${CROSS_COMPILE_TRIPLET}-ranlib"
+STRIP="${OBGGCC_HOME}/bin/${CROSS_COMPILE_TRIPLET}-strip"
+OBJCOPY="${OBGGCC_HOME}/bin/${CROSS_COMPILE_TRIPLET}-objcopy"
+READELF="${OBGGCC_HOME}/bin/${CROSS_COMPILE_TRIPLET}-readelf"
+
+export \
+	CROSS_COMPILE_TRIPLET \
+	CROSS_COMPILE_SYSTEM \
+	CROSS_COMPILE_ARCHITECTURE \
+	CROSS_COMPILE_GLIBCVER \
+	CROSS_COMPILE_SYSROOT \
+	CC \
+	CXX \
+	AR \
+	AS \
+	LD \
+	NM \
+	RANLIB \
+	STRIP \
+	OBJCOPY \
+	READELF
+
+set +eu
diff --git a/tools/dev/autotools/x86_64-unknown-linux-gnu2.17.cmake b/tools/dev/autotools/x86_64-unknown-linux-gnu2.17.cmake
new file mode 100644
index 0000000..69ef3e9
--- /dev/null
+++ b/tools/dev/autotools/x86_64-unknown-linux-gnu2.17.cmake
@@ -0,0 +1,25 @@
+set(CMAKE_SYSTEM_NAME "Linux")
+set(CMAKE_SYSTEM_PROCESSOR "x86_64")
+
+set(TARGET_GLIBC "2.17")
+set(TOOLCHAIN_PREFIX "${CMAKE_SYSTEM_PROCESSOR}-unknown-linux-gnu")
+
+set(TOOLCHAIN_PATH "$ENV{OBGGCC_HOME}")
+
+if ("${TOOLCHAIN_PATH}" STREQUAL "")
+	set(TOOLCHAIN_PATH "${CMAKE_CURRENT_LIST_DIR}/../..")
+endif()
+
+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")
+set(CMAKE_OBJCOPY "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-objcopy" CACHE FILEPATH "objcopy")
+set(CMAKE_NM "${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}-nm" CACHE FILEPATH "nm")
+
+set(CMAKE_FIND_ROOT_PATH "${TOOLCHAIN_PATH}/${TOOLCHAIN_PREFIX}${TARGET_GLIBC}" CACHE FILEPATH "sysroot")
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
diff --git a/tools/dev/autotools/x86_64-unknown-linux-gnu2.17.sh b/tools/dev/autotools/x86_64-unknown-linux-gnu2.17.sh
new file mode 100644
index 0000000..9ca42c1
--- /dev/null
+++ b/tools/dev/autotools/x86_64-unknown-linux-gnu2.17.sh
@@ -0,0 +1,45 @@
+#/bin/bash
+
+set -e
+
+if [ -z "${OBGGCC_HOME}" ]; then
+	OBGGCC_HOME="$(realpath "$(dirname "${0}")")/../.."
+fi
+
+set -u
+
+CROSS_COMPILE_TRIPLET='x86_64-unknown-linux-gnu'
+CROSS_COMPILE_SYSTEM='linux'
+CROSS_COMPILE_ARCHITECTURE='x86_64'
+CROSS_COMPILE_GLIBCVER='2.17'
+CROSS_COMPILE_SYSROOT="${OBGGCC_HOME}/${CROSS_COMPILE_TRIPLET}${CROSS_COMPILE_GLIBCVER}"
+
+CC="${OBGGCC_HOME}/bin/${CROSS_COMPILE_TRIPLET}${CROSS_COMPILE_GLIBCVER}-gcc"
+CXX="${OBGGCC_HOME}/bin/${CROSS_COMPILE_TRIPLET}${CROSS_COMPILE_GLIBCVER}-g++"
+AR="${OBGGCC_HOME}/bin/${CROSS_COMPILE_TRIPLET}-ar"
+AS="${OBGGCC_HOME}/bin/${CROSS_COMPILE_TRIPLET}-as"
+LD="${OBGGCC_HOME}/bin/${CROSS_COMPILE_TRIPLET}-ld"
+NM="${OBGGCC_HOME}/bin/${CROSS_COMPILE_TRIPLET}-nm"
+RANLIB="${OBGGCC_HOME}/bin/${CROSS_COMPILE_TRIPLET}-ranlib"
+STRIP="${OBGGCC_HOME}/bin/${CROSS_COMPILE_TRIPLET}-strip"
+OBJCOPY="${OBGGCC_HOME}/bin/${CROSS_COMPILE_TRIPLET}-objcopy"
+READELF="${OBGGCC_HOME}/bin/${CROSS_COMPILE_TRIPLET}-readelf"
+
+export \
+	CROSS_COMPILE_TRIPLET \
+	CROSS_COMPILE_SYSTEM \
+	CROSS_COMPILE_ARCHITECTURE \
+	CROSS_COMPILE_GLIBCVER \
+	CROSS_COMPILE_SYSROOT \
+	CC \
+	CXX \
+	AR \
+	AS \
+	LD \
+	NM \
+	RANLIB \
+	STRIP \
+	OBJCOPY \
+	READELF
+
+set +eu