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Check for needed magic functions before using libmagic

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@40795 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Kornel Benko 2012-02-25 13:07:17 +00:00
parent c53fb6fed9
commit 77a31ee0f2
1 changed files with 17 additions and 3 deletions
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20
development/cmake/modules/FindMagic.cmake
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@ -28,6 +28,20 @@
set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true)
include(CheckFunctionExists)
macro(check_magic_functions_exists _varname)
set(${_varname} 1)
if (Magic_LIBRARY)
set(CMAKE_REQUIRED_LIBRARIES ${Magic_LIBRARY})
endif()
foreach(fkt file open load close error)
check_function_exists(magic_${fkt} HAS_function_magic_${fkt})
if (NOT HAS_function_magic_${fkt})
set(${_varname} 0)
message(STATUS "Function magic_${fkt} not found")
endif()
endforeach()
endmacro()
if (Magic_INCLUDE_DIR)
# Already in cache, be silent
set(Magic_FIND_QUIETLY TRUE)
@ -39,9 +53,9 @@ find_path(Magic_INCLUDE_DIR magic.h PATHS
find_library(Magic_LIBRARY NAMES "magic")
include(CheckFunctionExists)
check_function_exists(magic_open HAVE_HAVE_MAGIC_OPEN)
if(Magic_INCLUDE_DIR AND Magic_LIBRARY)
check_magic_functions_exists(HAS_MAGIC_FUNCTIONS)
if(Magic_INCLUDE_DIR AND Magic_LIBRARY AND HAS_MAGIC_FUNCTIONS)
set(Magic_FOUND TRUE)
endif()