curl/CMake/Macros.cmake

125 lines
5.1 KiB
CMake

#File defines convenience macros for available feature testing
# This macro checks if the symbol exists in the library and if it
# does, it prepends library to the list. It is intended to be called
# multiple times with a sequence of possibly dependent libraries in
# order of least-to-most-dependent. Some libraries depend on others
# to link correctly.
macro(CHECK_LIBRARY_EXISTS_CONCAT LIBRARY SYMBOL VARIABLE)
check_library_exists("${LIBRARY};${CURL_LIBS}" ${SYMBOL} "${CMAKE_LIBRARY_PATH}"
${VARIABLE})
if(${VARIABLE})
set(CURL_LIBS ${LIBRARY} ${CURL_LIBS})
endif(${VARIABLE})
endmacro(CHECK_LIBRARY_EXISTS_CONCAT)
# Check if header file exists and add it to the list.
# This macro is intended to be called multiple times with a sequence of
# possibly dependent header files. Some headers depend on others to be
# compiled correctly.
macro(CHECK_INCLUDE_FILE_CONCAT FILE VARIABLE)
check_include_files("${CURL_INCLUDES};${FILE}" ${VARIABLE})
if(${VARIABLE})
set(CURL_INCLUDES ${CURL_INCLUDES} ${FILE})
set(CURL_TEST_DEFINES "${CURL_TEST_DEFINES} -D${VARIABLE}")
endif(${VARIABLE})
endmacro(CHECK_INCLUDE_FILE_CONCAT)
# For other curl specific tests, use this macro.
macro(CURL_INTERNAL_TEST CURL_TEST)
if(NOT DEFINED "${CURL_TEST}")
set(MACRO_CHECK_FUNCTION_DEFINITIONS
"-D${CURL_TEST} ${CURL_TEST_DEFINES} ${CMAKE_REQUIRED_FLAGS}")
if(CMAKE_REQUIRED_LIBRARIES)
set(CURL_TEST_ADD_LIBRARIES
"-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
endif(CMAKE_REQUIRED_LIBRARIES)
message(STATUS "Performing Curl Test ${CURL_TEST}")
try_compile(${CURL_TEST}
${CMAKE_BINARY_DIR}
${CMAKE_CURRENT_SOURCE_DIR}/CMake/CurlTests.c
CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_FUNCTION_DEFINITIONS}
"${CURL_TEST_ADD_LIBRARIES}"
OUTPUT_VARIABLE OUTPUT)
if(${CURL_TEST})
set(${CURL_TEST} 1 CACHE INTERNAL "Curl test ${FUNCTION}")
message(STATUS "Performing Curl Test ${CURL_TEST} - Success")
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"Performing Curl Test ${CURL_TEST} passed with the following output:\n"
"${OUTPUT}\n")
else(${CURL_TEST})
message(STATUS "Performing Curl Test ${CURL_TEST} - Failed")
set(${CURL_TEST} "" CACHE INTERNAL "Curl test ${FUNCTION}")
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
"Performing Curl Test ${CURL_TEST} failed with the following output:\n"
"${OUTPUT}\n")
endif(${CURL_TEST})
endif()
endmacro(CURL_INTERNAL_TEST)
macro(CURL_INTERNAL_TEST_RUN CURL_TEST)
if(NOT DEFINED "${CURL_TEST}_COMPILE")
set(MACRO_CHECK_FUNCTION_DEFINITIONS
"-D${CURL_TEST} ${CMAKE_REQUIRED_FLAGS}")
if(CMAKE_REQUIRED_LIBRARIES)
set(CURL_TEST_ADD_LIBRARIES
"-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
endif(CMAKE_REQUIRED_LIBRARIES)
message(STATUS "Performing Curl Test ${CURL_TEST}")
try_run(${CURL_TEST} ${CURL_TEST}_COMPILE
${CMAKE_BINARY_DIR}
${CMAKE_CURRENT_SOURCE_DIR}/CMake/CurlTests.c
CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_FUNCTION_DEFINITIONS}
"${CURL_TEST_ADD_LIBRARIES}"
OUTPUT_VARIABLE OUTPUT)
if(${CURL_TEST}_COMPILE AND NOT ${CURL_TEST})
set(${CURL_TEST} 1 CACHE INTERNAL "Curl test ${FUNCTION}")
message(STATUS "Performing Curl Test ${CURL_TEST} - Success")
else(${CURL_TEST}_COMPILE AND NOT ${CURL_TEST})
message(STATUS "Performing Curl Test ${CURL_TEST} - Failed")
set(${CURL_TEST} "" CACHE INTERNAL "Curl test ${FUNCTION}")
file(APPEND "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log"
"Performing Curl Test ${CURL_TEST} failed with the following output:\n"
"${OUTPUT}")
if(${CURL_TEST}_COMPILE)
file(APPEND
"${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log"
"There was a problem running this test\n")
endif(${CURL_TEST}_COMPILE)
file(APPEND "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log"
"\n\n")
endif(${CURL_TEST}_COMPILE AND NOT ${CURL_TEST})
endif()
endmacro(CURL_INTERNAL_TEST_RUN)
macro(CURL_NROFF_CHECK)
find_program(NROFF NAMES gnroff nroff)
if(NROFF)
# Need a way to write to stdin, this will do
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/nroff-input.txt" "test")
# Tests for a valid nroff option to generate a manpage
foreach(_MANOPT "-man" "-mandoc")
execute_process(COMMAND "${NROFF}" ${_MANOPT}
OUTPUT_VARIABLE NROFF_MANOPT_OUTPUT
INPUT_FILE "${CMAKE_CURRENT_BINARY_DIR}/nroff-input.txt"
ERROR_QUIET)
# Save the option if it was valid
if(NROFF_MANOPT_OUTPUT)
message("Found *nroff option: -- ${_MANOPT}")
set(NROFF_MANOPT ${_MANOPT})
set(NROFF_USEFUL ON)
break()
endif()
endforeach()
# No need for the temporary file
file(REMOVE "${CMAKE_CURRENT_BINARY_DIR}/nroff-input.txt")
if(NOT NROFF_USEFUL)
message(WARNING "Found no *nroff option to get plaintext from man pages")
endif()
else()
message(WARNING "Found no *nroff program")
endif()
endmacro(CURL_NROFF_CHECK)