merge(3p/glog): Vendor glog from commit 'afe04691' r/863

1 files changed, 33 insertions, 0 deletions

diff --git a/third_party/glog/toolchains/linux-mingw-w64-gnuxx11.cmake b/third_party/glog/toolchains/linux-mingw-w64-gnuxx11.cmake
new file mode 100644
index 000000000000..99029649dfa3
--- /dev/null
+++ b/third_party/glog/toolchains/linux-mingw-w64-gnuxx11.cmake
@@ -0,0 +1,33 @@
+# Sample toolchain file for building for Windows from an Ubuntu Linux system.
+#
+# Typical usage:
+#    *) install cross compiler: `sudo apt-get install mingw-w64`
+#    *) cmake -H. -B_build_mingw -DCMAKE_TOOLCHAIN_FILE="${PWD}/toolchains/linux-mingw-w64.cmake"
+
+set(CMAKE_SYSTEM_NAME Windows)
+set(CMAKE_SYSTEM_PROCESSOR x86_64)
+set(TOOLCHAIN_PREFIX x86_64-w64-mingw32)
+
+# set compiler
+set(CMAKE_C_COMPILER   ${TOOLCHAIN_PREFIX}-gcc)
+set(CMAKE_CXX_COMPILER ${TOOLCHAIN_PREFIX}-g++)
+set(CMAKE_RC_COMPILER  ${TOOLCHAIN_PREFIX}-windres)
+
+# target environment on the build host system
+#   set 1st to dir with the cross compiler's C/C++ headers/libs
+set(CMAKE_FIND_ROOT_PATH /usr/${TOOLCHAIN_PREFIX})
+
+# modify default behavior of FIND_XXX() commands to
+# search for headers/libs in the target environment and
+# search for programs in the build host environment
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+
+# use emulator for `try_run` calls
+set(CMAKE_CROSSCOMPILING_EMULATOR wine64)
+
+# set c++ standard
+set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS ON)