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linux bundled 64bit build refs #157

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IR4T4 2014-06-22 10:09:06 +02:00
parent b657a2dd22
commit 59f530a2c2
1 changed files with 9 additions and 2 deletions
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11
CMakeLists.txt
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@ -304,7 +304,14 @@ elseif(UNIX)
if(CROSS_COMPILE32)
set(CROSS_COMPILE32_FLAGS CFLAGS=-m32 LDFLAGS=-m32)
else(CROSS_COMPILE32)
set(CROSS_COMPILE32_FLAGS "")
# when we don't cross compile we have to enable position independant code '-fPIC' for all bundled libs
# see http://stackoverflow.com/questions/7216244/why-is-fpic-absolutely-necessary-on-64-and-not-on-32bit-platforms
# let's misuse CROSS_COMPILE32_FLAGS var (for 64bit) to set our flag. FIXME: rename to CROSS_COMPILE_OPTIONAL_FLAGS?
# notes: - cflag -mcmodel=large might be an option too
# - this has to be done in all dependant CMakeLists-txt files see glew/CMakeLists.txt
set(CROSS_COMPILE32_FLAGS "CFLAGS=-fPIC")
endif(CROSS_COMPILE32)
#-----------------------------------------------------------------
@ -426,7 +433,7 @@ elseif(UNIX)
set(OGG_BUNDLED_INCLUDE_DIR "${CMAKE_SOURCE_DIR}/libs/ogg/include" PARENT_SCOPE)
# OGG Vorbis File
if(CROSS_COMPILE32_FLAGS)
if(CROSS_COMPILE32)
set(CFLAGS "-m32 -I${CMAKE_SOURCE_DIR}/libs/ogg/include")
set(LDFLAGS "-m32 -L${CMAKE_SOURCE_DIR}/libs/ogg/src/.libs")
else()