Add support for cross-compiling for LoongArch64

Signed-off-by: Vladislav Shchapov <vladislav@shchapov.ru>

diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index 7a09b5bb61211ae93cb9faf67db0e449cffc9c68..e3c4d5e202eb3c620dfb0624fefa05fb05552b00 100644 (file)
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -310,6 +310,14 @@ jobs:
             cmake-args: -DCMAKE_TOOLCHAIN_FILE=cmake/toolchain-riscv-clang.cmake
             packages: qemu-user crossbuild-essential-riscv64
 
+          - name: Ubuntu GCC 14 LoongArch64
+            os: ubuntu-latest
+            cmake-args: -DCMAKE_TOOLCHAIN_FILE=cmake/toolchain-loongarch64-gcc-14.cmake -DWITH_BENCHMARKS=ON
+            packages: qemu-user gcc-14-loongarch64-linux-gnu g++-14-loongarch64-linux-gnu libc-dev-loong64-cross
+            ldflags: -static
+            gcov-exec: loongarch64-linux-gnu-gcov-14
+            codecov: ubuntu_gcc14_loongarch64
+
           - name: Ubuntu GCC SPARC64
             os: ubuntu-latest
             cmake-args: -DCMAKE_TOOLCHAIN_FILE=cmake/toolchain-sparc64.cmake

diff --git a/.github/workflows/configure.yml b/.github/workflows/configure.yml
index b46aa1e3e81623aa76db2bf4369f18fe33a9d802..2f3e9d7a0a617a654cd6f4b07610c4dcbace24c9 100644 (file)
--- a/.github/workflows/configure.yml
+++ b/.github/workflows/configure.yml
@@ -249,6 +249,24 @@ jobs:
             chost: riscv64-linux-gnu
             packages: qemu-user crossbuild-essential-riscv64
 
+          - name: Ubuntu GCC 14 LoongArch64
+            os: ubuntu-latest
+            compiler: loongarch64-linux-gnu-gcc-14
+            configure-args: --warn --static
+            chost: loongarch64-linux-gnu
+            packages: qemu-user gcc-14-loongarch64-linux-gnu g++-14-loongarch64-linux-gnu libc-dev-loong64-cross
+            cflags: -static
+            ldflags: -static
+
+          - name: Ubuntu GCC 14 LoongArch64 Compat No Opt
+            os: ubuntu-latest
+            compiler: loongarch64-linux-gnu-gcc-14
+            configure-args: --warn --static --zlib-compat --without-optimizations --without-new-strategies
+            chost: loongarch64-linux-gnu
+            packages: qemu-user gcc-14-loongarch64-linux-gnu g++-14-loongarch64-linux-gnu libc-dev-loong64-cross
+            cflags: -static
+            ldflags: -static
+
     steps:
     - name: Checkout repository
       uses: actions/checkout@v4

diff --git a/cmake/toolchain-loongarch64-gcc-14.cmake b/cmake/toolchain-loongarch64-gcc-14.cmake
new file mode 100644 (file)
index 0000000..c551abc
--- /dev/null
+++ b/cmake/toolchain-loongarch64-gcc-14.cmake
@@ -0,0 +1,25 @@
+set(CMAKE_SYSTEM_NAME Linux)
+set(CMAKE_SYSTEM_PROCESSOR loongarch64)
+set(CMAKE_SYSTEM_VERSION 1)
+
+set(CMAKE_C_COMPILER_TARGET loongarch64-linux-gnu)
+set(CMAKE_CXX_COMPILER_TARGET loongarch64-linux-gnu)
+
+set(CMAKE_CROSSCOMPILING TRUE)
+set(CMAKE_CROSSCOMPILING_EMULATOR qemu-loongarch64 -cpu la464-loongarch-cpu -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-14)
+if(NOT C_COMPILER_FULL_PATH)
+    message(FATAL_ERROR "Cross-compiler for ${CMAKE_C_COMPILER_TARGET} not found")
+endif()
+set(CMAKE_C_COMPILER ${C_COMPILER_FULL_PATH})
+
+find_program(CXX_COMPILER_FULL_PATH NAMES g++-14-${CMAKE_CXX_COMPILER_TARGET} ${CMAKE_CXX_COMPILER_TARGET}-g++-14)
+if(CXX_COMPILER_FULL_PATH)
+    set(CMAKE_CXX_COMPILER ${CXX_COMPILER_FULL_PATH})
+endif()