diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 57 |
1 files changed, 48 insertions, 9 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index cc4b590..47c6193 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -1,4 +1,8 @@ -CMAKE_MINIMUM_REQUIRED (VERSION 3.1.0) +# Copyright (C) The c-ares project and its contributors +# SPDX-License-Identifier: MIT +CMAKE_MINIMUM_REQUIRED (VERSION 3.5.0) + +list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/") INCLUDE (CheckIncludeFiles) INCLUDE (CheckTypeSize) @@ -8,10 +12,12 @@ INCLUDE (CheckCSourceCompiles) INCLUDE (CheckStructHasMember) INCLUDE (CheckLibraryExists) -PROJECT (c-ares LANGUAGES C VERSION "1.18.0" ) +PROJECT (c-ares LANGUAGES C VERSION "1.21.0" ) + +INCLUDE (EnableWarnings) # Set this version before release -SET (CARES_VERSION "1.18.1") +SET (CARES_VERSION "1.21.0") INCLUDE (GNUInstallDirs) # include this *AFTER* PROJECT(), otherwise paths are wrong. @@ -26,7 +32,7 @@ INCLUDE (GNUInstallDirs) # include this *AFTER* PROJECT(), otherwise paths are w # For example, a version of 4:0:2 would generate output such as: # libname.so -> libname.so.2 # libname.so.2 -> libname.so.2.2.0 -SET (CARES_LIB_VERSIONINFO "7:1:5") +SET (CARES_LIB_VERSIONINFO "9:2:7") OPTION (CARES_STATIC "Build as a static library" OFF) @@ -36,6 +42,9 @@ OPTION (CARES_STATIC_PIC "Build the static library as PIC (position independent) OPTION (CARES_BUILD_TESTS "Build and run tests" OFF) OPTION (CARES_BUILD_CONTAINER_TESTS "Build and run container tests (implies CARES_BUILD_TESTS, Linux only)" OFF) OPTION (CARES_BUILD_TOOLS "Build tools" ON) +OPTION (CARES_SYMBOL_HIDING "Hide private symbols in shared libraries" OFF) +SET (CARES_RANDOM_FILE "/dev/urandom" CACHE STRING "Suitable File / Device Path for entropy, such as /dev/urandom") + # Tests require static to be enabled on Windows to be able to access otherwise hidden symbols IF (CARES_BUILD_TESTS AND (NOT CARES_STATIC) AND WIN32) @@ -66,6 +75,21 @@ IF (MSVC) ENDIF () ENDIF () +IF (CARES_SYMBOL_HIDING) + IF (CMAKE_VERSION VERSION_LESS 3.12) + MESSAGE (FATAL_ERROR "Hiding symbols requires CMake 3.12") + ENDIF () + CMAKE_POLICY (SET CMP0063 NEW) + SET (CARES_SYMBOL_SCOPE_EXTERN [=[__attribute__ ((visibility("default")))]=]) + CHECK_C_SOURCE_COMPILES (" + ${CARES_SYMBOL_SCOPE_EXTERN} int somefunc() { return 0; } + int main() { return somefunc(); } + " HAVE_VISIBILITY_ATTRIBUTE) + IF (NOT HAVE_VISIBILITY_ATTRIBUTE) + MESSAGE (FATAL_ERROR "C compiler does not accept visibility attribute") + ENDIF () +ENDIF () + # Keep build organized. SET (CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/${CMAKE_INSTALL_BINDIR}") SET (CMAKE_LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/${CMAKE_INSTALL_LIBDIR}") @@ -82,9 +106,14 @@ SET (TARGETS_INST_DEST # Function in Library # CHECK_LIBRARY_EXISTS can't be used as it will return true if the function -# is found in a different dependent library. +# is found in a different required/dependent library. MACRO (CARES_FUNCTION_IN_LIBRARY func lib var) + + SET (_ORIG_CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES}") + SET (CMAKE_REQUIRED_LIBRARIES ) CHECK_FUNCTION_EXISTS ("${func}" "_CARES_FUNC_IN_LIB_GLOBAL_${func}") + SET (CMAKE_REQUIRED_LIBRARIES "${_ORIG_CMAKE_REQUIRED_LIBRARIES}") + IF ("${_CARES_FUNC_IN_LIB_GLOBAL_${func}}") SET (${var} FALSE) ELSE () @@ -157,6 +186,7 @@ CARES_FUNCTION_IN_LIBRARY (clock_gettime rt HAVE_LIBRT) # Look for necessary includes CHECK_INCLUDE_FILES (sys/types.h HAVE_SYS_TYPES_H) +CHECK_INCLUDE_FILES (sys/random.h HAVE_SYS_RANDOM_H) CHECK_INCLUDE_FILES (sys/socket.h HAVE_SYS_SOCKET_H) CHECK_INCLUDE_FILES (sys/sockio.h HAVE_SYS_SOCKIO_H) CHECK_INCLUDE_FILES (arpa/inet.h HAVE_ARPA_INET_H) @@ -274,6 +304,7 @@ CARES_EXTRAINCLUDE_IFSET (HAVE_STDLIB_H stdlib.h) CARES_EXTRAINCLUDE_IFSET (HAVE_STRING_H string.h) CARES_EXTRAINCLUDE_IFSET (HAVE_STRINGS_H strings.h) CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_IOCTL_H sys/ioctl.h) +CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_RANDOM_H sys/random.h) CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_SELECT_H sys/select.h) CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_SOCKET_H sys/socket.h) CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_SOCKIO_H sys/sockio.h) @@ -358,6 +389,7 @@ CHECK_SYMBOL_EXISTS (gethostbyaddr "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETHOST CHECK_SYMBOL_EXISTS (gethostbyname "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETHOSTBYNAME) CHECK_SYMBOL_EXISTS (gethostname "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETHOSTNAME) CHECK_SYMBOL_EXISTS (getnameinfo "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETNAMEINFO) +CHECK_SYMBOL_EXISTS (getrandom "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETRANDOM) CHECK_SYMBOL_EXISTS (getservbyport_r "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETSERVBYPORT_R) CHECK_SYMBOL_EXISTS (getservbyname_r "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETSERVBYNAME_R) CHECK_SYMBOL_EXISTS (gettimeofday "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETTIMEOFDAY) @@ -386,6 +418,8 @@ CHECK_SYMBOL_EXISTS (strncasecmp "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_STRNCAS CHECK_SYMBOL_EXISTS (strncmpi "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_STRNCMPI) CHECK_SYMBOL_EXISTS (strnicmp "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_STRNICMP) CHECK_SYMBOL_EXISTS (writev "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_WRITEV) +CHECK_SYMBOL_EXISTS (arc4random_buf "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_ARC4RANDOM_BUF) + # On Android, the system headers may define __system_property_get(), but excluded # from libc. We need to perform a link test instead of a header/symbol test. @@ -397,10 +431,6 @@ SET (CMAKE_REQUIRED_DEFINITIONS) SET (CMAKE_REQUIRED_LIBRARIES) -find_file(CARES_RANDOM_FILE urandom /dev) -mark_as_advanced(CARES_RANDOM_FILE) - - ################################################################################ # recv, recvfrom, send, getnameinfo, gethostname # ARGUMENTS AND RETURN VALUES @@ -557,6 +587,9 @@ ENDIF () IF (HAVE_SYS_TYPES_H) SET (CARES_HAVE_SYS_TYPES_H 1) ENDIF () +IF (HAVE_SYS_RANDOM_H) + SET (CARES_HAVE_SYS_RANDOM_H 1) +ENDIF() IF (HAVE_SYS_SOCKET_H) SET (CARES_HAVE_SYS_SOCKET_H 1) ENDIF() @@ -689,6 +722,12 @@ IF (CARES_INSTALL) if( ${CMAKE_SYSTEM_NAME} STREQUAL "Linux" ) if ( "${CPACK_PACKAGE_ARCHITECTURE}" STREQUAL "" ) + set( CPACK_PACKAGE_ARCHITECTURE "${CMAKE_SYSTEM_PROCESSOR}" ) + endif() + if ( "${CPACK_PACKAGE_ARCHITECTURE}" STREQUAL "" ) + if ( "${CMAKE_HOST_SYSTEM_NAME}" STREQUAL "Windows" ) + message( FATAL_ERROR "Failed to determine CPACK_PACKAGE_ARCHITECTURE. Is CMAKE_SYSTEM_PROCESSOR set?" ) + endif() # Note: the architecture should default to the local architecture, but it # in fact comes up empty. We call `uname -m` to ask the kernel instead. EXECUTE_PROCESS( COMMAND uname -m COMMAND tr -d '\n' OUTPUT_VARIABLE CPACK_PACKAGE_ARCHITECTURE ) |