mirror of
https://github.com/moparisthebest/curl
synced 2024-11-05 09:05:04 -05:00
9c1806ae46
- Disable warning C4127 "conditional expression is constant" globally
in curl_setup.h for when building with Microsoft's compiler.
This mainly affects building with the Visual Studio project files found
in the projects dir.
Prior to this change the cmake and winbuild build systems already
disabled 4127 globally for when building with Microsoft's compiler.
Also, 4127 was already disabled for all build systems in the limited
circumstance of the WHILE_FALSE macro which disabled the warning
specifically for while(0). This commit removes the WHILE_FALSE macro and
all other cruft in favor of disabling globally in curl_setup.
Background:
We have various macros that cause 0 or 1 to be evaluated, which would
cause warning C4127 in Visual Studio. For example this causes it:
#define Curl_resolver_asynch() 1
Full behavior is not clearly defined and inconsistent across versions.
However it is documented that since VS 2015 Update 3 Microsoft has
addressed this somewhat but not entirely, not warning on while(true) for
example.
Prior to this change some C4127 warnings occurred when I built with
Visual Studio using the generated projects in the projects dir.
Closes https://github.com/curl/curl/pull/4658
121 lines
3.1 KiB
CMake
121 lines
3.1 KiB
CMake
set(LIB_NAME libcurl)
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if(BUILD_SHARED_LIBS)
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set(CURL_STATICLIB NO)
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else()
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set(CURL_STATICLIB YES)
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endif()
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# Use:
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# * CURL_STATICLIB
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configure_file(curl_config.h.cmake
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${CMAKE_CURRENT_BINARY_DIR}/curl_config.h)
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transform_makefile_inc("Makefile.inc" "${CMAKE_CURRENT_BINARY_DIR}/Makefile.inc.cmake")
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include(${CMAKE_CURRENT_BINARY_DIR}/Makefile.inc.cmake)
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list(APPEND HHEADERS
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${CMAKE_CURRENT_BINARY_DIR}/curl_config.h
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)
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if(MSVC)
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list(APPEND CSOURCES libcurl.rc)
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endif()
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# SET(CSOURCES
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# # memdebug.c -not used
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# # nwlib.c - Not used
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# # strtok.c - specify later
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# # strtoofft.c - specify later
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# )
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# # if we have Kerberos 4, right now this is never on
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# #OPTION(CURL_KRB4 "Use Kerberos 4" OFF)
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# IF(CURL_KRB4)
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# SET(CSOURCES ${CSOURCES}
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# krb4.c
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# security.c
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# )
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# ENDIF(CURL_KRB4)
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# #OPTION(CURL_MALLOC_DEBUG "Debug mallocs in Curl" OFF)
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# MARK_AS_ADVANCED(CURL_MALLOC_DEBUG)
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# IF(CURL_MALLOC_DEBUG)
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# SET(CSOURCES ${CSOURCES}
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# memdebug.c
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# )
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# ENDIF(CURL_MALLOC_DEBUG)
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# # only build compat strtoofft if we need to
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# IF(NOT HAVE_STRTOLL AND NOT HAVE__STRTOI64)
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# SET(CSOURCES ${CSOURCES}
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# strtoofft.c
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# )
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# ENDIF(NOT HAVE_STRTOLL AND NOT HAVE__STRTOI64)
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# The rest of the build
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include_directories(${CMAKE_CURRENT_BINARY_DIR}/../include)
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include_directories(${CMAKE_CURRENT_SOURCE_DIR}/..)
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include_directories(${CMAKE_CURRENT_SOURCE_DIR}/../include)
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include_directories(${CMAKE_CURRENT_BINARY_DIR}/..)
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include_directories(${CMAKE_CURRENT_SOURCE_DIR})
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include_directories(${CMAKE_CURRENT_BINARY_DIR})
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if(USE_ARES)
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include_directories(${CARES_INCLUDE_DIR})
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endif()
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add_library(
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${LIB_NAME}
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${HHEADERS} ${CSOURCES}
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)
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if(MSVC AND NOT BUILD_SHARED_LIBS)
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set_target_properties(${LIB_NAME} PROPERTIES STATIC_LIBRARY_FLAGS ${CMAKE_EXE_LINKER_FLAGS})
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endif()
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if(NOT BUILD_SHARED_LIBS)
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set_target_properties(${LIB_NAME} PROPERTIES INTERFACE_COMPILE_DEFINITIONS CURL_STATICLIB)
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endif()
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target_link_libraries(${LIB_NAME} ${CURL_LIBS})
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if(WIN32)
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add_definitions(-D_USRDLL)
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endif()
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set_target_properties(${LIB_NAME} PROPERTIES COMPILE_DEFINITIONS BUILDING_LIBCURL)
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if(HIDES_CURL_PRIVATE_SYMBOLS)
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set_property(TARGET ${LIB_NAME} APPEND PROPERTY COMPILE_DEFINITIONS "CURL_HIDDEN_SYMBOLS")
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set_property(TARGET ${LIB_NAME} APPEND PROPERTY COMPILE_FLAGS ${CURL_CFLAG_SYMBOLS_HIDE})
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endif()
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# Remove the "lib" prefix since the library is already named "libcurl".
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set_target_properties(${LIB_NAME} PROPERTIES PREFIX "")
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set_target_properties(${LIB_NAME} PROPERTIES IMPORT_PREFIX "")
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if(WIN32)
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if(BUILD_SHARED_LIBS)
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# Add "_imp" as a suffix before the extension to avoid conflicting with the statically linked "libcurl.lib"
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set_target_properties(${LIB_NAME} PROPERTIES IMPORT_SUFFIX "_imp.lib")
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endif()
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endif()
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target_include_directories(${LIB_NAME} INTERFACE
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$<INSTALL_INTERFACE:include>
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$<BUILD_INTERFACE:${CURL_SOURCE_DIR}/include>)
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install(TARGETS ${LIB_NAME}
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EXPORT ${TARGETS_EXPORT_NAME}
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ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
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LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
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RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
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)
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export(TARGETS ${LIB_NAME}
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APPEND FILE ${PROJECT_BINARY_DIR}/libcurl-target.cmake
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NAMESPACE CURL::
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)
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