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externals: Amend zlib submodule

Supplies CMakeLists.txt file that avoids pulling in zlib's tests into
the tree. This avoids needing to explicitly opt these tests out from
ctest.
This commit is contained in:
Lioncash 2019-10-29 16:42:41 -04:00
parent 9f93ad08a5
commit c2486f77e4
4 changed files with 84 additions and 4 deletions

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@ -11,5 +11,4 @@ ninja
ccache -s
# Ignore zlib's tests, since they aren't gated behind a CMake option.
ctest -VV -E "(example|example64)" -C Release
ctest -VV -C Release

4
.gitmodules vendored
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@ -50,5 +50,5 @@
path = externals/libzip
url = https://github.com/DarkLordZach/libzip
[submodule "zlib"]
path = externals/zlib
url = https://github.com/madler/zlib
path = externals/zlib/zlib
url = https://github.com/madler/zlib.git

81
externals/zlib/CMakeLists.txt vendored Normal file
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@ -0,0 +1,81 @@
project(zlib C)
include(CheckTypeSize)
include(CheckFunctionExists)
include(CheckIncludeFile)
check_include_file(sys/types.h HAVE_SYS_TYPES_H)
check_include_file(stdint.h HAVE_STDINT_H)
check_include_file(stddef.h HAVE_STDDEF_H)
# Check to see if we have large file support
set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE=1)
# We add these other definitions here because CheckTypeSize.cmake
# in CMake 2.4.x does not automatically do so and we want
# compatibility with CMake 2.4.x.
if(HAVE_SYS_TYPES_H)
list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_SYS_TYPES_H)
endif()
if(HAVE_STDINT_H)
list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDINT_H)
endif()
if(HAVE_STDDEF_H)
list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDDEF_H)
endif()
check_type_size(off64_t OFF64_T)
if(HAVE_OFF64_T)
add_definitions(-D_LARGEFILE64_SOURCE=1)
endif()
set(CMAKE_REQUIRED_DEFINITIONS) # clear variable
# Check for fseeko
check_function_exists(fseeko HAVE_FSEEKO)
if(NOT HAVE_FSEEKO)
add_definitions(-DNO_FSEEKO)
endif()
# Check for unistd.h
check_include_file(unistd.h HAVE_UNISTD_H)
if(HAVE_UNISTD_H)
add_definitions(-DHAVE_UNISTD_H)
endif()
if(MSVC)
add_definitions(-D_CRT_SECURE_NO_DEPRECATE)
add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE)
endif()
add_library(z STATIC
zlib/adler32.c
zlib/compress.c
zlib/crc32.c
zlib/crc32.h
zlib/deflate.c
zlib/deflate.h
zlib/gzclose.c
zlib/gzguts.h
zlib/gzlib.c
zlib/gzread.c
zlib/gzwrite.c
zlib/inffast.h
zlib/inffixed.h
zlib/inflate.c
zlib/inflate.h
zlib/infback.c
zlib/inftrees.c
zlib/inftrees.h
zlib/inffast.c
zlib/trees.c
zlib/trees.h
zlib/uncompr.c
zlib/zconf.h
zlib/zlib.h
zlib/zutil.c
zlib/zutil.h
)
add_library(ZLIB::ZLIB ALIAS z)
target_include_directories(z
PUBLIC
zlib/
)