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Fix the OSX build

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Apple does not support staticaly built applications on OSX, and all
dynamically built apps have to be linked against the System lib
(i.e., `-static` should not be used and `-lSystem` is a must).
As System contains all libc and libm functions, building (and
linking) the minimal jerry-libc and jerry-libm libs makes no sense.
Moreover, if JERRY_LIBC is ON, the compiler will use the jerry-libc
headers but will link the libc functions from System, which causes
heavy confusion and segfaults at run time.

Thus, this patch changes the build system to disable the building
of jerry-libc and jerry-libm, and enables the use of system
libraries when building on OSX.

JerryScript-DCO-1.0-Signed-off-by: Akos Kiss akiss@inf.u-szeged.hu
This commit is contained in:
Akos Kiss 2016-08-09 23:56:02 +02:00
parent ae1118293f
commit d39c4187fb
1 changed files with 7 additions and 5 deletions
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12
CMakeLists.txt
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@ -44,6 +44,13 @@ endif()
if("${PLATFORM}" STREQUAL "DARWIN")
set(ENABLE_LTO "OFF")
set(ENABLE_ALL_IN_ONE "ON")
set(JERRY_LIBC "OFF")
set(JERRY_LIBM "OFF")
set(COMPILER_DEFAULT_LIBC "ON")
endif()
if(JERRY_LIBC AND COMPILER_DEFAULT_LIBC)
message(FATAL_ERROR "JERRY_LIBC and COMPILER_DEFAULT_LIBC is enabled at the same time!")
endif()
# Status messages
@ -106,11 +113,6 @@ set(CMAKE_C_FLAGS_RELEASE "-Os")
jerry_add_compile_flags(${FLAGS_COMMON_ARCH})
jerry_add_flags(CMAKE_EXE_LINKER_FLAGS ${FLAGS_COMMON_ARCH})
# Use jerry libc
if(JERRY_LIBC AND COMPILER_DEFAULT_LIBC)
message(FATAL_ERROR "JERRY_LIBC and COMPILER_DEFAULT_LIBC is enabled at the same time!")
endif()
# LTO
if(ENABLE_LTO)
jerry_add_compile_flags(-flto)