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CMake: Clear variable with unset.

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Vollstrecker 2024-12-11 09:07:56 +01:00 committed by Mark Adler
parent b5c01971c2
commit 79d96ebdb7
1 changed files with 3 additions and 1 deletions
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4
CMakeLists.txt
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@ -55,12 +55,13 @@ if(NOT ZLIB_CONF_WRITTEN)
set(ZLIB_CONF_WRITTEN TRUE CACHE BOOL "zconf.h.cmakein was created")
mark_as_advanced(ZLIB_CONF_WRITTEN)
endif(NOT ZLIB_CONF_WRITTEN)
#
# Check to see if we have large file support
#
set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE=1)
check_type_size(off64_t OFF64_T)
set(CMAKE_REQUIRED_DEFINITIONS) # clear variable
unset(CMAKE_REQUIRED_DEFINITIONS) # clear variable
#
# Check for fseeko
@ -87,6 +88,7 @@ check_c_source_compiles(
"
HAVE___ATTR__VIS_HIDDEN)
unset(CMAKE_COMPILE_FLAGS)
set(ZLIB_PC ${zlib_BINARY_DIR}/zlib.pc)
configure_file(${zlib_SOURCE_DIR}/zlib.pc.cmakein
${ZLIB_PC} @ONLY)