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Add multiarch support and build toolchains for i686.

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Fix #166
This commit is contained in:
Alex Huszagh 2018-04-27 08:04:47 -07:00 committed by John McNamara
parent b5a7c50255
commit 7e64f0fcd1
2 changed files with 29 additions and 6 deletions
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28
CMakeLists.txt
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@ -11,12 +11,19 @@
# flags to pass to the compiler.
#
# Example:
# For example, in the build directory, to build libxlsxwriter
# and the unittests in debug mode, type:
# cd cmake
# cmake .. -DBUILD_TESTS=ON
# For example, in the project directory, to build libxlsxwriter
# and the unittests in release mode, type:
# mkdir build && cd build
# cmake .. -DBUILD_TESTS=ON -DCMAKE_BUILD_TYPE=Release
# cmake --build . --config Release
# ctest -C Release -V
# cmake --build . --config Release --target install
#
# If using a Makefile generator, you may use the simpler
# mkdir build && cd build
# cmake .. -DBUILD_TESTS=ON -DCMAKE_BUILD_TYPE=Release
# make
# make check_xlsxwriter_unit
# make test
# make install
#
# Flags:
@ -40,6 +47,15 @@
# during configuration. This may produce bugs while cross-
# compiling or using MinGW/MSYS.
#
# Toolchains:
# On multiarch Linux systems, which can build and run multiple
# binary targets on the same system, we include an `i686-toolchain`
# file to enable building i686 (x86 32-bit) targets on x86_64 systems.
# To use the i686 toolchain, pass the `-DCMAKE_TOOLCHAIN_FILE` option
# during CMake configuration. For example, from the build directory,
# you would use:
# cmake .. -DCMAKE_TOOLCHAIN_FILE=../cmake/i686-toolchain.cmake
#
# CMake Options:
# CMake sets debug and release builds with the `CMAKE_BUILD_TYPE`
# option, which can be set as a flag during configuration.
@ -277,7 +293,7 @@ endif()
# INSTALL
# -------
INCLUDE(GNUInstallDirs)
include(GNUInstallDirs)
if(MSVC)
if(CMAKE_CL_64)

7
cmake/i686-toolchain.cmake Normal file
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@ -0,0 +1,7 @@
set(CMAKE_SYSTEM_NAME Linux)
set(CMAKE_SYSTEM_VERSION 1)
set(CMAKE_SYSTEM_PROCESSOR "i686")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m32" CACHE STRING "c++ flags")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -m32" CACHE STRING "c flags")
set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -m32" CACHE STRING "asm flags")