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curl/src/CMakeLists.txt
Yang Tse 5a053ffe80 build: fix circular header inclusion with other packages
This commit renames lib/setup.h to lib/curl_setup.h and
renames lib/setup_once.h to lib/curl_setup_once.h.

Removes the need and usage of a header inclusion guard foreign
to libcurl. [1]

Removes the need and presence of an alarming notice we carried
in old setup_once.h [2]

----------------------------------------

1 - lib/setup_once.h used __SETUP_ONCE_H macro as header inclusion guard
    up to commit ec691ca3 which changed this to HEADER_CURL_SETUP_ONCE_H,
    this single inclusion guard is enough to ensure that inclusion of
    lib/setup_once.h done from lib/setup.h is only done once.

    Additionally lib/setup.h has always used __SETUP_ONCE_H macro to
    protect inclusion of setup_once.h even after commit ec691ca3, this
    was to avoid a circular header inclusion triggered when building a
    c-ares enabled version with c-ares sources available which also has
    a setup_once.h header. Commit ec691ca3 exposes the real nature of
    __SETUP_ONCE_H usage in lib/setup.h, it is a header inclusion guard
    foreign to libcurl belonging to c-ares's setup_once.h

    The renaming this commit does, fixes the circular header inclusion,
    and as such removes the need and usage of a header inclusion guard
    foreign to libcurl. Macro __SETUP_ONCE_H no longer used in libcurl.

2 - Due to the circular interdependency of old lib/setup_once.h and the
    c-ares setup_once.h header, old file lib/setup_once.h has carried
    back from 2006 up to now days an alarming and prominent notice about
    the need of keeping libcurl's and c-ares's setup_once.h in sync.

    Given that this commit fixes the circular interdependency, the need
    and presence of mentioned notice is removed.

    All mentioned interdependencies come back from now old days when
    the c-ares project lived inside a curl subdirectory. This commit
    removes last traces of such fact.
2013-01-09 00:49:50 +01:00

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2.1 KiB
CMake

set(EXE_NAME curl)
# First try to locate tool_hugehelp.c to see if it has already been created
# TODO Find the file WITHOUT adding a cache entry!!! Or else the user can delete the file after the script was first run, and the script won't notice it has gone.
find_file(HUGEHELP_C_FILE tool_hugehelp.c PATHS . NO_DEFAULT_PATH)
if (NOT HUGEHELP_C_FILE)
message(STATUS "Warning: tool_hugehelp.c file was not generated before. Generating an 'empty' file...")
file(WRITE tool_hugehelp.c "/* built-in manual is disabled, blank function */\n#include \"tool_hugehelp.h\"\nvoid hugehelp(void) {}\n\n")
endif()
transform_makefile_inc("Makefile.inc" "${CMAKE_CURRENT_BINARY_DIR}/Makefile.inc.cmake")
include(${CMAKE_CURRENT_BINARY_DIR}/Makefile.inc.cmake)
if(MSVC)
list(APPEND CURL_SOURCE curl.rc)
endif()
add_executable(
${EXE_NAME}
${curl_SOURCES}
)
source_group("cURLX source files" FILES ${CURLX_ONES})
source_group("cURL source files" FILES ${CURL_CFILES})
source_group("cURL header files" FILES ${CURL_HFILES})
include_directories(
${CURL_SOURCE_DIR}/lib # To be able to reach "curl_setup_once.h"
${CURL_BINARY_DIR}/lib # To be able to reach "curl_config.h"
${CURL_BINARY_DIR}/include # To be able to reach "curl/curlbuild.h"
)
# Setup dependencies
setup_curl_dependencies(${EXE_NAME})
target_link_libraries( ${EXE_NAME} libcurl )
################################################################################
#SET_TARGET_PROPERTIES(${EXE_NAME} ARCHIVE_OUTPUT_DIRECTORY "blah blah blah")
#SET_TARGET_PROPERTIES(${EXE_NAME} RUNTIME_OUTPUT_DIRECTORY "blah blah blah")
#SET_TARGET_PROPERTIES(${EXE_NAME} LIBRARY_OUTPUT_DIRECTORY "blah blah blah")
# Add the postfix to the executable since it is not added automatically as for modules and shared libraries
set_target_properties(${EXE_NAME} PROPERTIES
DEBUG_POSTFIX "${CMAKE_DEBUG_POSTFIX}")
if(MSVC)
if(NOT BUILD_RELEASE_DEBUG_DIRS)
# Ugly workaround to remove the "/debug" or "/release" in each output
set_target_properties(${EXE_NAME} PROPERTIES PREFIX "../")
endif()
endif()
#INCLUDE(ModuleInstall OPTIONAL)
install(TARGETS ${EXE_NAME} DESTINATION bin)