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| author | Albrecht Lohofener <albrechtloh@gmx.de> | 2015-12-26 11:22:19 +0100 |
|---|---|---|
| committer | Albrecht Lohofener <albrechtloh@gmx.de> | 2015-12-26 11:22:19 +0100 |
| commit | b2239996a2f2a3925fca11bfdf5e284f6a2cdac1 (patch) | |
| tree | 4fbeb3962b3ae15ae2040c6b047de080b085afe1 | |
| parent | a1489efb0dfebac4173081733dbefc35fc0bc895 (diff) | |
| download | ka9q-fec-b2239996a2f2a3925fca11bfdf5e284f6a2cdac1.tar.gz ka9q-fec-b2239996a2f2a3925fca11bfdf5e284f6a2cdac1.tar.bz2 ka9q-fec-b2239996a2f2a3925fca11bfdf5e284f6a2cdac1.zip | |
Add option "BUILD_32BIT_ON_64BIT" for 32-bit library building on a 64-bit system
| -rw-r--r-- | CMakeLists.txt | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index a515303..285ac4d 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -4,6 +4,8 @@ cmake_minimum_required(VERSION 2.8) project(libfec ASM C) +option(BUILD_32BIT_ON_64BIT "Build a 32-bit library on a 64-bit system" OFF) + # Select the release build type by default to get optimization flags if(NOT CMAKE_BUILD_TYPE) set(CMAKE_BUILD_TYPE "Release") @@ -39,6 +41,14 @@ endif() ######################################################################## # Compiler specific setup ######################################################################## +if(BUILD_32BIT_ON_64BIT) + set(CMAKE_SYSTEM_PROCESSOR "i386") + set(CMAKE_SIZEOF_VOID_P 4) + set(CMAKE_C_FLAGS -m32) + set(CMAKE_CXX_FLAGS -m32) + add_definitions(-m32) +endif() + if((CMAKE_SYSTEM_PROCESSOR MATCHES "i386|i686|x86|AMD64") AND (CMAKE_SIZEOF_VOID_P EQUAL 4)) set(TARGET_ARCH "x86") elseif((CMAKE_SYSTEM_PROCESSOR MATCHES "x86_64|AMD64") AND (CMAKE_SIZEOF_VOID_P EQUAL 8)) |