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[cmake] Add better control of library dependencies.

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* CMakeLists.txt: Add `WITH_*' variables to force/auto/omit
ZLIB/BZip2/PNG/HarfBuzz.
This commit is contained in:
Tamas Kenez 2015-11-27 07:11:42 +01:00 committed by Werner Lemberg
parent 4854df62f7
commit da97b4c43e
2 changed files with 29 additions and 4 deletions
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26
CMakeLists.txt
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@ -61,6 +61,13 @@
#
# . If you want to disable the automatic generation of the distribution
# targets, add the `-D FREETYPE_NO_DIST=true' command line argument.
#
# . Set the `WITH_ZLIB', `WITH_BZip2', `WITH_PNG', and `WITH_HarfBuzz'
# CMake variables to `ON' or `OFF' to force or skip using a dependency.
# Leave a variable undefined (which is the default) to use the dependency
# only if it is available. Example:
#
# cmake ... -DWITH_ZLIB=ON -DWITH_HarfBuzz=OFF ...
cmake_minimum_required(VERSION 2.6)
@ -153,10 +160,21 @@ add_definitions(-DFT2_BUILD_LIBRARY)
# Find dependencies
find_package(ZLIB)
find_package(BZip2)
find_package(PNG)
find_package(HarfBuzz)
foreach (d ZLIB BZip2 PNG HarfBuzz)
string(TOUPPER "${d}" D)
if (DEFINED WITH_${d} OR DEFINED WITH_${D})
if (WITH_${d} OR WITH_${D})
find_package(${d} QUIET REQUIRED)
endif ()
else ()
find_package(${d} QUIET)
endif ()
if (${d}_FOUND OR ${D}_FOUND)
message(STATUS "Building with ${d}")
endif()
endforeach ()
message(STATUS

7
ChangeLog
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@ -1,3 +1,10 @@
2015-11-27 Tamas Kenez <tamas.kenez@adasworks.com>
[cmake] Add better control of library dependencies.
* CMakeLists.txt: Add `WITH_*' variables to force/auto/omit
ZLIB/BZip2/PNG/HarfBuzz.
2015-11-27 Tamas Kenez <tamas.kenez@adasworks.com>
[cmake] Make `FindHarfbuzz' observe the REQUIRED option.