From: Mika Lindqvist <postmaster@raasu.org>
Date: Fri, 9 Jun 2023 14:54:15 +0000 (+0300)
Subject: Add support for cross-compiling for Power9.
X-Git-Tag: 2.1.3~11
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=571c0672c0b66f8c1d3cbd47ba278caead06ccd2;p=thirdparty%2Fzlib-ng.git

Add support for cross-compiling for Power9.
---

diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index f16ab99c7..d00ecb4c4 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -223,12 +223,31 @@ jobs:
             ldflags: -static
             codecov: ubuntu_gcc_ppc64
 
+          - name: Ubuntu GCC PPC64 Power9
+            os: ubuntu-latest
+            cmake-args: -DCMAKE_TOOLCHAIN_FILE=cmake/toolchain-powerpc64-power9.cmake
+            packages: qemu qemu-user gcc-powerpc64-linux-gnu g++-powerpc64-linux-gnu libc-dev-ppc64-cross
+            ldflags: -static
+            codecov: ubuntu_gcc_ppc64_power9
+
           - name: Ubuntu GCC PPC64LE
             os: ubuntu-20.04
             cmake-args: -DCMAKE_TOOLCHAIN_FILE=cmake/toolchain-powerpc64le.cmake
             packages: qemu qemu-user gcc-powerpc64le-linux-gnu g++-powerpc64le-linux-gnu libc-dev-ppc64el-cross
             codecov: ubuntu_gcc_ppc64le
 
+          - name: Ubuntu GCC PPC64LE No VSX
+            os: ubuntu-latest
+            cmake-args: -DCMAKE_TOOLCHAIN_FILE=cmake/toolchain-powerpc64le-power9.cmake -DWITH_POWER8=OFF -DWITH_POWER9=OFF
+            packages: qemu qemu-user gcc-powerpc64le-linux-gnu g++-powerpc64le-linux-gnu libc-dev-ppc64el-cross
+            codecov: ubuntu_gcc_ppc64le_novsx
+
+          - name: Ubuntu GCC PPC64LE Power9
+            os: ubuntu-latest
+            cmake-args: -DCMAKE_TOOLCHAIN_FILE=cmake/toolchain-powerpc64le-power9.cmake
+            packages: qemu qemu-user gcc-powerpc64le-linux-gnu g++-powerpc64le-linux-gnu libc-dev-ppc64el-cross
+            codecov: ubuntu_gcc_ppc64le_power9
+
           - name: Ubuntu GCC SPARC64
             os: ubuntu-20.04
             cmake-args: -DCMAKE_TOOLCHAIN_FILE=cmake/toolchain-sparc64.cmake
diff --git a/cmake/toolchain-powerpc64-power9.cmake b/cmake/toolchain-powerpc64-power9.cmake
new file mode 100644
index 000000000..2ea190a4d
--- /dev/null
+++ b/cmake/toolchain-powerpc64-power9.cmake
@@ -0,0 +1,25 @@
+set(CMAKE_SYSTEM_NAME Linux)
+set(CMAKE_SYSTEM_PROCESSOR ppc64)
+set(CMAKE_SYSTEM_VERSION 1)
+
+set(CMAKE_C_COMPILER_TARGET powerpc64-linux-gnu)
+set(CMAKE_CXX_COMPILER_TARGET powerpc64-linux-gnu)
+
+set(CMAKE_CROSSCOMPILING TRUE)
+set(CMAKE_CROSSCOMPILING_EMULATOR qemu-ppc64 -cpu power9 -L /usr/${CMAKE_C_COMPILER_TARGET}/)
+
+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)
+
+find_program(C_COMPILER_FULL_PATH NAMES ${CMAKE_C_COMPILER_TARGET}-gcc)
+if(NOT C_COMPILER_FULL_PATH)
+    message(FATAL_ERROR "Cross-compiler for ${CMAKE_C_COMPILER_TARGET} not found")
+endif()
+set(CMAKE_C_COMPILER ${C_COMPILER_FULL_PATH})
+
+find_program(CXX_COMPILER_FULL_PATH NAMES g++-${CMAKE_CXX_COMPILER_TARGET} ${CMAKE_CXX_COMPILER_TARGET}-g++)
+if(CXX_COMPILER_FULL_PATH)
+    set(CMAKE_CXX_COMPILER ${CXX_COMPILER_FULL_PATH})
+endif()
diff --git a/cmake/toolchain-powerpc64le-power9.cmake b/cmake/toolchain-powerpc64le-power9.cmake
new file mode 100644
index 000000000..5ac8c7a9c
--- /dev/null
+++ b/cmake/toolchain-powerpc64le-power9.cmake
@@ -0,0 +1,25 @@
+set(CMAKE_SYSTEM_NAME Linux)
+set(CMAKE_SYSTEM_PROCESSOR ppc64le)
+set(CMAKE_SYSTEM_VERSION 1)
+
+set(CMAKE_C_COMPILER_TARGET powerpc64le-linux-gnu)
+set(CMAKE_CXX_COMPILER_TARGET powerpc64le-linux-gnu)
+
+set(CMAKE_CROSSCOMPILING TRUE)
+set(CMAKE_CROSSCOMPILING_EMULATOR qemu-ppc64le -cpu power9 -L /usr/${CMAKE_C_COMPILER_TARGET}/)
+
+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)
+
+find_program(C_COMPILER_FULL_PATH NAMES ${CMAKE_C_COMPILER_TARGET}-gcc)
+if(NOT C_COMPILER_FULL_PATH)
+    message(FATAL_ERROR "Cross-compiler for ${CMAKE_C_COMPILER_TARGET} not found")
+endif()
+set(CMAKE_C_COMPILER ${C_COMPILER_FULL_PATH})
+
+find_program(CXX_COMPILER_FULL_PATH NAMES g++-${CMAKE_CXX_COMPILER_TARGET} ${CMAKE_CXX_COMPILER_TARGET}-g++)
+if(CXX_COMPILER_FULL_PATH)
+    set(CMAKE_CXX_COMPILER ${CXX_COMPILER_FULL_PATH})
+endif()