Add yexport export generators

1 files changed, 96 insertions, 0 deletions

diff --git a/build/export_generators/hardcoded-cmake/cmake/global_flags.compiler.gnu.cmake b/build/export_generators/hardcoded-cmake/cmake/global_flags.compiler.gnu.cmake
new file mode 100644
index 0000000000..3dcde4027f
--- /dev/null
+++ b/build/export_generators/hardcoded-cmake/cmake/global_flags.compiler.gnu.cmake
@@ -0,0 +1,96 @@
+set(_GNU_COMMON_C_CXX_FLAGS "\
+  -fexceptions \
+  -fno-common \
+  -fcolor-diagnostics \
+  -faligned-allocation \
+  -fdebug-default-version=4 \
+  -ffunction-sections \
+  -fdata-sections \
+  -Wall \
+  -Wextra \
+  -Wno-parentheses \
+  -Wno-implicit-const-int-float-conversion \
+  -Wno-unknown-warning-option \
+  -pipe \
+  -D_THREAD_SAFE \
+  -D_PTHREADS \
+  -D_REENTRANT \
+  -D_LARGEFILE_SOURCE \
+  -D__STDC_CONSTANT_MACROS \
+  -D__STDC_FORMAT_MACROS \
+  -D__LONG_LONG_SUPPORTED \
+")
+
+if (CMAKE_SYSTEM_NAME MATCHES "^(Android|Linux)$")
+  string(APPEND _GNU_COMMON_C_CXX_FLAGS " -D_GNU_SOURCE")
+endif()
+
+if (CMAKE_SYSTEM_NAME MATCHES "^(Darwin|Linux)$")
+  string(APPEND _GNU_COMMON_C_CXX_FLAGS " -DLIBCXX_BUILDING_LIBCXXRT")
+endif()
+
+if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
+  # Use .init_array instead of .ctors (default for old clang versions)
+  # See: https://maskray.me/blog/2021-11-07-init-ctors-init-array
+  string(APPEND _GNU_COMMON_C_CXX_FLAGS " -fuse-init-array")
+endif()
+
+if (ANDROID)
+  include_directories(SYSTEM ${CMAKE_ANDROID_NDK}/sources/cxx-stl/llvm-libc++abi/include)
+
+  # There is no usable _FILE_OFFSET_BITS=64 support in Androids until API 21. And it's incomplete until at least API 24.
+  # https://android.googlesource.com/platform/bionic/+/master/docs/32-bit-abi.md
+else()
+  string(APPEND _GNU_COMMON_C_CXX_FLAGS " -D_FILE_OFFSET_BITS=64")
+endif()
+
+if (CMAKE_SYSTEM_PROCESSOR MATCHES "^(arm.*|aarch64|ppc64le)")
+  string(APPEND _GNU_COMMON_C_CXX_FLAGS " -fsigned-char")
+endif()
+
+if (CMAKE_SYSTEM_PROCESSOR MATCHES "^(i686|x86_64|AMD64)$")
+  if (CMAKE_SYSTEM_PROCESSOR STREQUAL "i686")
+    string(APPEND _GNU_COMMON_C_CXX_FLAGS " -m32")
+  elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "^(x86_64|AMD64)$")
+    string(APPEND _GNU_COMMON_C_CXX_FLAGS " -m64")
+  endif()
+  string(APPEND _GNU_COMMON_C_CXX_FLAGS "\
+    -msse2 \
+    -msse3 \
+    -mssse3 \
+  ")
+
+  if ((CMAKE_SYSTEM_PROCESSOR MATCHES "^(x86_64|AMD64)$") OR (NOT ANDROID))
+    string(APPEND _GNU_COMMON_C_CXX_FLAGS "\
+      -msse4.1 \
+      -msse4.2 \
+      -mpopcnt \
+    ")
+    if (NOT ANDROID)
+      # older clang versions did not support this feature on Android:
+      # https://reviews.llvm.org/rGc32d307a49f5255602e7543e64e6c38a7f536abc
+      string(APPEND _GNU_COMMON_C_CXX_FLAGS " -mcx16")
+    endif()
+  endif()
+
+  if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
+    string(APPEND _GNU_COMMON_C_CXX_FLAGS " -D_YNDX_LIBUNWIND_ENABLE_EXCEPTION_BACKTRACE")
+  endif()
+elseif (ANDROID AND (CMAKE_ANDROID_ARCH_ABI STREQUAL "armeabi-v7a"))
+  string(APPEND _GNU_COMMON_C_CXX_FLAGS " -mfloat-abi=softfp")
+endif()
+
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_GNU_COMMON_C_CXX_FLAGS}")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${_GNU_COMMON_C_CXX_FLAGS} \
+  -Woverloaded-virtual \
+  -Wimport-preprocessor-directive-pedantic \
+  -Wno-undefined-var-template \
+  -Wno-return-std-move \
+  -Wno-defaulted-function-deleted \
+  -Wno-pessimizing-move \
+  -Wno-deprecated-anon-enum-enum-conversion \
+  -Wno-deprecated-enum-enum-conversion \
+  -Wno-deprecated-enum-float-conversion \
+  -Wno-ambiguous-reversed-operator \
+  -Wno-deprecated-volatile \
+")