cmake: more small tidy-ups and fixes
- tidy up two `MATCHES` expression by avoiding macros expansion and adding quotes. Then convert then to `STREQUAL` to match other places in the code doing the same checks. - fix setting `_ALL_SOURCE` for AIX to match what autotools does. - delete stray `_ALL_SOURCE` reference from `lib/config_riscos.h` - simplify/fix two `STREQUAL ""` checks. The one in the `openssl_check_symbol_exists()` macro succeeded regardless of the value. The other could return TRUE when `CMAKE_OSX_SYSROOT` was undefined. - delete code for CMake versions (<3.7) we no longer support. - prefer `LIST(APPEND ...)` to extend `CURL_LIBS`. - use `CURL_LIBS` to add the `network` lib for Haiku. Before this patch it was done via raw C flags. I could not test this. - move `_WIN32_WINNT`-related code next to each other. It also moves detection to the top, allowing more code to use the result. - merge two `WIN32` blocks. - rename internal variables to underscore + lowercase. - unwrap a line, indent, whitespace. Closes #14450
This commit is contained in:
Viktor Szakats
parent
d3f6b2ffa7
commit
919394ee64
@ -34,52 +34,47 @@ if(WIN32 AND (ENABLE_DEBUG OR ENABLE_CURLDEBUG))
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endif()
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if(CURL_HIDDEN_SYMBOLS)
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set(SUPPORTS_SYMBOL_HIDING FALSE)
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set(_supports_symbol_hiding FALSE)
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if(CMAKE_C_COMPILER_ID MATCHES "Clang" AND NOT MSVC)
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set(SUPPORTS_SYMBOL_HIDING TRUE)
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set(_SYMBOL_EXTERN "__attribute__ ((__visibility__ (\"default\")))")
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set(_CFLAG_SYMBOLS_HIDE "-fvisibility=hidden")
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set(_supports_symbol_hiding TRUE)
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set(_symbol_extern "__attribute__ ((__visibility__ (\"default\")))")
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set(_cflag_symbols_hide "-fvisibility=hidden")
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elseif(CMAKE_COMPILER_IS_GNUCC)
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if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 3.4)
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# Note: This is considered buggy prior to 4.0 but the autotools do not care, so let us ignore that fact
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set(SUPPORTS_SYMBOL_HIDING TRUE)
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set(_SYMBOL_EXTERN "__attribute__ ((__visibility__ (\"default\")))")
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set(_CFLAG_SYMBOLS_HIDE "-fvisibility=hidden")
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set(_supports_symbol_hiding TRUE)
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set(_symbol_extern "__attribute__ ((__visibility__ (\"default\")))")
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set(_cflag_symbols_hide "-fvisibility=hidden")
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endif()
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elseif(CMAKE_C_COMPILER_ID MATCHES "SunPro" AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 8.0)
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set(SUPPORTS_SYMBOL_HIDING TRUE)
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set(_SYMBOL_EXTERN "__global")
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set(_CFLAG_SYMBOLS_HIDE "-xldscope=hidden")
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set(_supports_symbol_hiding TRUE)
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set(_symbol_extern "__global")
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set(_cflag_symbols_hide "-xldscope=hidden")
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elseif(CMAKE_C_COMPILER_ID MATCHES "Intel" AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 9.0)
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# Note: This should probably just check for version 9.1.045 but I am not 100% sure
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# so let us do it the same way autotools do.
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set(SUPPORTS_SYMBOL_HIDING TRUE)
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set(_SYMBOL_EXTERN "__attribute__ ((__visibility__ (\"default\")))")
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set(_CFLAG_SYMBOLS_HIDE "-fvisibility=hidden")
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set(_supports_symbol_hiding TRUE)
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set(_symbol_extern "__attribute__ ((__visibility__ (\"default\")))")
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set(_cflag_symbols_hide "-fvisibility=hidden")
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check_c_source_compiles("#include <stdio.h>
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int main(void) { printf(\"icc fvisibility bug test\"); return 0; }" _no_bug)
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if(NOT _no_bug)
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set(SUPPORTS_SYMBOL_HIDING FALSE)
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set(_SYMBOL_EXTERN "")
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set(_CFLAG_SYMBOLS_HIDE "")
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set(_supports_symbol_hiding FALSE)
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set(_symbol_extern "")
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set(_cflag_symbols_hide "")
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endif()
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elseif(MSVC)
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set(SUPPORTS_SYMBOL_HIDING TRUE)
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set(_supports_symbol_hiding TRUE)
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endif()
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set(HIDES_CURL_PRIVATE_SYMBOLS ${SUPPORTS_SYMBOL_HIDING})
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elseif(MSVC)
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if(NOT CMAKE_VERSION VERSION_LESS 3.7)
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set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS TRUE) #present since 3.4.3 but broken
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set(HIDES_CURL_PRIVATE_SYMBOLS FALSE)
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set(HIDES_CURL_PRIVATE_SYMBOLS ${_supports_symbol_hiding})
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else()
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message(WARNING "Hiding private symbols regardless CURL_HIDDEN_SYMBOLS being disabled.")
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set(HIDES_CURL_PRIVATE_SYMBOLS TRUE)
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if(MSVC)
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set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS TRUE)
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endif()
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else()
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set(HIDES_CURL_PRIVATE_SYMBOLS FALSE)
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endif()
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set(CURL_CFLAG_SYMBOLS_HIDE ${_CFLAG_SYMBOLS_HIDE})
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set(CURL_EXTERN_SYMBOL ${_SYMBOL_EXTERN})
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set(CURL_CFLAG_SYMBOLS_HIDE ${_cflag_symbols_hide})
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set(CURL_EXTERN_SYMBOL ${_symbol_extern})
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@ -123,19 +123,33 @@ option(CURL_DISABLE_INSTALL "Set to ON to disable installation targets" OFF)
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if(WIN32)
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option(CURL_STATIC_CRT "Set to ON to build libcurl with static CRT on Windows (/MT)." OFF)
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option(ENABLE_UNICODE "Set to ON to use the Unicode version of the Windows API functions" OFF)
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set(CURL_TARGET_WINDOWS_VERSION "" CACHE STRING "Minimum target Windows version as hex string")
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if(CURL_TARGET_WINDOWS_VERSION)
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add_definitions("-D_WIN32_WINNT=${CURL_TARGET_WINDOWS_VERSION}")
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list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_WIN32_WINNT=${CURL_TARGET_WINDOWS_VERSION}")
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set(CURL_TEST_DEFINES "${CURL_TEST_DEFINES} -D_WIN32_WINNT=${CURL_TARGET_WINDOWS_VERSION}")
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endif()
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if(ENABLE_UNICODE)
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add_definitions("-DUNICODE" "-D_UNICODE")
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if(MINGW)
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add_compile_options(-municode)
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endif()
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endif()
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set(CURL_TARGET_WINDOWS_VERSION "" CACHE STRING "Minimum target Windows version as hex string")
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if(CURL_TARGET_WINDOWS_VERSION)
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add_definitions("-D_WIN32_WINNT=${CURL_TARGET_WINDOWS_VERSION}")
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list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_WIN32_WINNT=${CURL_TARGET_WINDOWS_VERSION}")
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set(CURL_TEST_DEFINES "${CURL_TEST_DEFINES} -D_WIN32_WINNT=${CURL_TARGET_WINDOWS_VERSION}")
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endif()
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# Detect actual value of _WIN32_WINNT and store as HAVE_WIN32_WINNT
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curl_internal_test(HAVE_WIN32_WINNT)
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if(HAVE_WIN32_WINNT)
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string(REGEX MATCH ".*_WIN32_WINNT=0x[0-9a-fA-F]+" CURL_TEST_OUTPUT "${CURL_TEST_OUTPUT}")
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string(REGEX REPLACE ".*_WIN32_WINNT=" "" CURL_TEST_OUTPUT "${CURL_TEST_OUTPUT}")
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string(REGEX REPLACE "0x([0-9a-f][0-9a-f][0-9a-f])$" "0x0\\1" CURL_TEST_OUTPUT "${CURL_TEST_OUTPUT}") # pad to 4 digits
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string(TOLOWER "${CURL_TEST_OUTPUT}" HAVE_WIN32_WINNT)
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message(STATUS "Found _WIN32_WINNT=${HAVE_WIN32_WINNT}")
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endif()
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# Avoid storing HAVE_WIN32_WINNT in CMake cache
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unset(HAVE_WIN32_WINNT CACHE)
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endif()
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option(CURL_LTO "Turn on compiler Link Time Optimizations" OFF)
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@ -370,13 +384,13 @@ if(BORLAND)
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endif()
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# If we are on AIX, do the _ALL_SOURCE magic
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if(${CMAKE_SYSTEM_NAME} MATCHES AIX)
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set(_ALL_SOURCE 1)
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if(CMAKE_SYSTEM_NAME STREQUAL "AIX")
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add_definitions("-D_ALL_SOURCE")
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endif()
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# If we are on Haiku, make sure that the network library is brought in.
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if(${CMAKE_SYSTEM_NAME} MATCHES Haiku)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -lnetwork")
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if(CMAKE_SYSTEM_NAME STREQUAL "Haiku")
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list(APPEND CURL_LIBS "network")
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endif()
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# Include all the necessary files for macros
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@ -401,7 +415,7 @@ if(ENABLE_THREADED_RESOLVER)
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find_package(Threads REQUIRED)
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set(USE_THREADS_POSIX ${CMAKE_USE_PTHREADS_INIT})
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set(HAVE_PTHREAD_H ${CMAKE_USE_PTHREADS_INIT})
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set(CURL_LIBS ${CURL_LIBS} ${CMAKE_THREAD_LIBS_INIT})
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list(APPEND CURL_LIBS ${CMAKE_THREAD_LIBS_INIT})
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endif()
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endif()
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@ -505,15 +519,9 @@ if(CURL_USE_OPENSSL)
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set(SSL_ENABLED ON)
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set(USE_OPENSSL ON)
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# Depend on OpenSSL via imported targets if supported by the running
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# version of CMake. This allows our dependents to get our dependencies
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# transitively.
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if(NOT CMAKE_VERSION VERSION_LESS 3.4)
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# Depend on OpenSSL via imported targets. This allows our dependents to
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# get our dependencies transitively.
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list(APPEND CURL_LIBS OpenSSL::SSL OpenSSL::Crypto)
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else()
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list(APPEND CURL_LIBS ${OPENSSL_LIBRARIES})
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include_directories(${OPENSSL_INCLUDE_DIR})
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endif()
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list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "openssl")
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if(CURL_DEFAULT_SSL_BACKEND AND CURL_DEFAULT_SSL_BACKEND STREQUAL "openssl")
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@ -608,15 +616,9 @@ if(ZLIB_FOUND)
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set(HAVE_LIBZ ON)
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set(USE_ZLIB ON)
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# Depend on ZLIB via imported targets if supported by the running
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# version of CMake. This allows our dependents to get our dependencies
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# transitively.
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if(NOT CMAKE_VERSION VERSION_LESS 3.4)
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# Depend on ZLIB via imported targets. This allows our dependents to
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# get our dependencies transitively.
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list(APPEND CURL_LIBS ZLIB::ZLIB)
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else()
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list(APPEND CURL_LIBS ${ZLIB_LIBRARIES})
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include_directories(${ZLIB_INCLUDE_DIRS})
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endif()
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list(APPEND LIBCURL_PC_REQUIRES_PRIVATE "zlib")
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list(APPEND CMAKE_REQUIRED_INCLUDES ${ZLIB_INCLUDE_DIRS})
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endif()
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@ -673,9 +675,7 @@ macro(openssl_check_symbol_exists _symbol _files _variable _extra_libs)
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endif()
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list(APPEND CMAKE_REQUIRED_DEFINITIONS "-DHAVE_UINTPTR_T") # to pull in stdint.h (as of wolfSSL v5.5.4)
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endif()
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if(NOT _extra_libs STREQUAL "")
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list(APPEND CMAKE_REQUIRED_LIBRARIES "${_extra_libs}")
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endif()
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check_symbol_exists("${_symbol}" "${_files}" "${_variable}")
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cmake_pop_check_state()
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endmacro()
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@ -1266,20 +1266,6 @@ if(WIN32)
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set(CURL_INCLUDES ${CURL_INCLUDES} "winsock2.h")
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set(CURL_INCLUDES ${CURL_INCLUDES} "ws2tcpip.h")
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set(CURL_INCLUDES ${CURL_INCLUDES} "windows.h")
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endif()
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if(WIN32)
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# Detect actual value of _WIN32_WINNT and store as HAVE_WIN32_WINNT
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curl_internal_test(HAVE_WIN32_WINNT)
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if(HAVE_WIN32_WINNT)
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string(REGEX MATCH ".*_WIN32_WINNT=0x[0-9a-fA-F]+" CURL_TEST_OUTPUT "${CURL_TEST_OUTPUT}")
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string(REGEX REPLACE ".*_WIN32_WINNT=" "" CURL_TEST_OUTPUT "${CURL_TEST_OUTPUT}")
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string(REGEX REPLACE "0x([0-9a-f][0-9a-f][0-9a-f])$" "0x0\\1" CURL_TEST_OUTPUT "${CURL_TEST_OUTPUT}") # pad to 4 digits
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string(TOLOWER "${CURL_TEST_OUTPUT}" HAVE_WIN32_WINNT)
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message(STATUS "Found _WIN32_WINNT=${HAVE_WIN32_WINNT}")
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endif()
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# Avoid storing HAVE_WIN32_WINNT in CMake cache
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unset(HAVE_WIN32_WINNT CACHE)
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if(HAVE_WIN32_WINNT)
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if(HAVE_WIN32_WINNT LESS 0x0501)
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@ -1817,8 +1803,8 @@ if(NOT CURL_DISABLE_INSTALL)
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list(SORT _items)
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endif()
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string(REPLACE ";" " " SUPPORT_PROTOCOLS "${_items}")
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string(TOLOWER "${SUPPORT_PROTOCOLS}" SUPPORT_PROTOCOLS_LOWER)
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message("Protocols: ${SUPPORT_PROTOCOLS_LOWER}")
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string(TOLOWER "${SUPPORT_PROTOCOLS}" _support_protocols_lower)
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message("Protocols: ${_support_protocols_lower}")
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# Clear list and try to detect available features
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set(_items)
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@ -2070,7 +2056,6 @@ if(NOT CURL_DISABLE_INSTALL)
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IMMEDIATE @ONLY)
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add_custom_target(curl_uninstall
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COMMAND ${CMAKE_COMMAND} -P
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"${CMAKE_CURRENT_BINARY_DIR}/CMake/cmake_uninstall.cmake")
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COMMAND ${CMAKE_COMMAND} -P "${CMAKE_CURRENT_BINARY_DIR}/CMake/cmake_uninstall.cmake")
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endif()
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endif()
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@ -204,13 +204,6 @@
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/* Version number of package */
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#undef VERSION
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/* Define if on AIX 3.
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System headers sometimes define this.
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We just want to avoid a redefinition error message. */
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#ifndef _ALL_SOURCE
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# undef _ALL_SOURCE
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#endif
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/* Number of bits in a file offset, on hosts where this is settable. */
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#undef _FILE_OFFSET_BITS
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@ -768,11 +768,6 @@ ${SIZEOF_TIME_T_CODE}
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/* Version number of package */
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#cmakedefine VERSION ${VERSION}
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/* Define to 1 if OS is AIX. */
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#ifndef _ALL_SOURCE
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# undef _ALL_SOURCE
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#endif
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/* Number of bits in a file offset, on hosts where this is settable. */
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#cmakedefine _FILE_OFFSET_BITS ${_FILE_OFFSET_BITS}
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@ -56,7 +56,7 @@ endfunction()
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# Create configurehelp.pm, used by tests needing to run the C preprocessor.
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if(MSVC OR CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Clang")
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set(_cpp_cmd "\"${CMAKE_C_COMPILER}\" -E")
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if(APPLE AND NOT CMAKE_OSX_SYSROOT STREQUAL "")
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if(APPLE AND CMAKE_OSX_SYSROOT)
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set(_cpp_cmd "${_cpp_cmd} -isysroot ${CMAKE_OSX_SYSROOT}")
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endif()
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# Add header directories, like autotools builds do.
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