# nghttp2 - HTTP/2 C Library
#
# Copyright (c) 2012, 2013, 2014, 2015 Tatsuhiro Tsujikawa
# Copyright (c) 2016 Peter Wu <peter@lekensteyn.nl>
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
cmake_minimum_required(VERSION 3.0)
# XXX using 1.8.90 instead of 1.9.0-DEV
project(nghttp2 VERSION 1.33.0)
# See versioning rule:
# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
set(LT_CURRENT 31)
set(LT_REVISION 0)
set(LT_AGE 17)
set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})
include(Version)
math(EXPR LT_SOVERSION "${LT_CURRENT} - ${LT_AGE}")
set(LT_VERSION "${LT_SOVERSION}.${LT_AGE}.${LT_REVISION}")
set(PACKAGE_VERSION "${PROJECT_VERSION}")
HexVersion(PACKAGE_VERSION_NUM ${PROJECT_VERSION_MAJOR} ${PROJECT_VERSION_MINOR} ${PROJECT_VERSION_PATCH})
if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
set(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "Choose the build type" FORCE)
# Include "None" as option to disable any additional (optimization) flags,
# relying on just CMAKE_C_FLAGS and CMAKE_CXX_FLAGS (which are empty by
# default). These strings are presented in cmake-gui.
set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
"None" "Debug" "Release" "MinSizeRel" "RelWithDebInfo")
endif()
include(GNUInstallDirs)
# For Python bindings and documentation
# (Must be called before PythonLibs for matching versions.)
find_package(PythonInterp)
# Auto-detection of features that can be toggled
find_package(OpenSSL 1.0.1)
find_package(Libev 4.11)
find_package(Libcares 1.7.5)
find_package(ZLIB 1.2.3)
if(OPENSSL_FOUND AND LIBEV_FOUND AND ZLIB_FOUND)
set(ENABLE_APP_DEFAULT ON)
else()
set(ENABLE_APP_DEFAULT OFF)
endif()
find_package(Jansson 2.5)
set(ENABLE_HPACK_TOOLS_DEFAULT ${JANSSON_FOUND})
# 2.0.8 is required because we use evconnlistener_set_error_cb()
find_package(Libevent 2.0.8 COMPONENTS libevent openssl)
set(ENABLE_EXAMPLES_DEFAULT ${LIBEVENT_OPENSSL_FOUND})
find_package(Cython)
find_package(PythonLibs)
if(CYTHON_FOUND AND PYTHONLIBS_FOUND)
set(ENABLE_PYTHON_BINDINGS_DEFAULT ON)
else()
set(ENABLE_PYTHON_BINDINGS_DEFAULT OFF)
endif()
find_package(LibXml2 2.6.26)
set(WITH_LIBXML2_DEFAULT ${LIBXML2_FOUND})
find_package(Jemalloc)
set(WITH_JEMALLOC_DEFAULT ${JEMALLOC_FOUND})
find_package(Spdylay 1.3.2)
set(WITH_SPDYLAY_DEFAULT ${SPDYLAY_FOUND})
include(CMakeOptions.txt)
if(ENABLE_LIB_ONLY AND (ENABLE_APP OR ENABLE_HPACK_TOOLS OR ENABLE_EXAMPLES OR
ENABLE_PYTHON_BINDINGS))
# Remember when disabled options are disabled for later diagnostics.
set(ENABLE_LIB_ONLY_DISABLED_OTHERS 1)
else()
set(ENABLE_LIB_ONLY_DISABLED_OTHERS 0)
endif()
if(ENABLE_LIB_ONLY)
set(ENABLE_APP OFF)
set(ENABLE_HPACK_TOOLS OFF)
set(ENABLE_EXAMPLES OFF)
set(ENABLE_PYTHON_BINDINGS OFF)
endif()
# Do not disable assertions based on CMAKE_BUILD_TYPE.
foreach(_build_type "Release" "MinSizeRel" "RelWithDebInfo")
foreach(_lang C CXX)
string(TOUPPER "CMAKE_${_lang}_FLAGS_${_build_type}" _var)
string(REGEX REPLACE "(^| )[/-]D *NDEBUG($| )" " " ${_var} "${${_var}}")
endforeach()
endforeach()
if(CMAKE_C_COMPILER_ID MATCHES "GNU" OR CMAKE_C_COMPILER_ID MATCHES "Clang")
set(HINT_NORETURN "__attribute__((noreturn))")
else()
set(HINT_NORETURN)
endif()
include(ExtractValidFlags)
foreach(_cxx1x_flag -std=c++11 -std=c++0x)
extract_valid_cxx_flags(_cxx1x_flag_supported ${_cxx1x_flag})
if(_cxx1x_flag_supported)
set(CXX1XCXXFLAGS ${_cxx1x_flag})
break()
endif()
endforeach()
include(CMakePushCheckState)
include(CheckCXXSourceCompiles)
cmake_push_check_state()
set(CMAKE_REQUIRED_DEFINITIONS "${CXX1XCXXFLAGS}")
# Check that std::future is available.
check_cxx_source_compiles("
#include <vector>
#include <future>
int main() { std::vector<std::future<int>> v; }" HAVE_STD_FUTURE)
# Check that std::map::emplace is available for g++-4.7.
check_cxx_source_compiles("
#include <map>
int main() { std::map<int, int>().emplace(1, 2); }" HAVE_STD_MAP_EMPLACE)
cmake_pop_check_state()
# Checks for libraries.
# Additional libraries required for programs under src directory.
set(APP_LIBRARIES)
if(ENABLE_PYTHON_BINDINGS)
if(NOT (CYTHON_FOUND AND PYTHONLIBS_FOUND))
message(FATAL_ERROR "python bindings were requested "
"(ENABLE_PYTHON_BINDINGS=1) but dependencies are not met.")
endif()
if(NOT PYTHON_VERSION_STRING STREQUAL PYTHONLIBS_VERSION_STRING)
message(FATAL_ERROR
"Python executable and library must have the same version!"
" Found Python ${PYTHON_VERSION_STRING} and"
" PythonLibs ${PYTHONLIBS_VERSION_STRING}"
)
endif()
endif()
set(CMAKE_THREAD_PREFER_PTHREAD 1)
find_package(Threads)
if(CMAKE_USE_PTHREADS_INIT)
list(APPEND APP_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
endif()
# XXX android and C++, is this still needed in cmake?
# case "$host" in
# *android*)
# android_build=yes
# # android does not need -pthread, but needs followng 3 libs for C++
# APPLDFLAGS="$APPLDFLAGS -lstdc++ -latomic -lsupc++"
# dl: openssl requires libdl when it is statically linked.
# XXX shouldn't ${CMAKE_DL_LIBS} be appended to OPENSSL_LIBRARIES instead of
# APP_LIBRARIES if it is really specific to OpenSSL?
find_package(CUnit 2.1)
enable_testing()
set(HAVE_CUNIT ${CUNIT_FOUND})
if(HAVE_CUNIT)
add_custom_target(check COMMAND ${CMAKE_CTEST_COMMAND})
endif()
# openssl (for src)
set(HAVE_OPENSSL ${OPENSSL_FOUND})
if(OPENSSL_FOUND)
set(OPENSSL_INCLUDE_DIRS ${OPENSSL_INCLUDE_DIR})
else()
set(OPENSSL_INCLUDE_DIRS "")
set(OPENSSL_LIBRARIES "")
endif()
# libev (for src)
set(HAVE_LIBEV ${LIBEV_FOUND})
set(HAVE_ZLIB ${ZLIB_FOUND})
set(HAVE_LIBEVENT_OPENSSL ${LIBEVENT_FOUND})
if(LIBEVENT_FOUND)
# Must both link the core and openssl libraries.
set(LIBEVENT_OPENSSL_LIBRARIES ${LIBEVENT_LIBRARIES})
endif()
# libc-ares (for src)
set(HAVE_LIBCARES ${LIBCARES_FOUND})
if(LIBCARES_FOUND)
set(LIBCARES_INCLUDE_DIRS ${LIBCARES_INCLUDE_DIR})
else()
set(LIBCARES_INCLUDE_DIRS "")
set(LIBCARES_LIBRARIES "")
endif()
# jansson (for src/nghttp, src/deflatehd and src/inflatehd)
set(HAVE_JANSSON ${JANSSON_FOUND})
# libxml2 (for src/nghttp)
set(HAVE_LIBXML2 ${LIBXML2_FOUND})
if(LIBXML2_FOUND)
set(LIBXML2_INCLUDE_DIRS ${LIBXML2_INCLUDE_DIR})
else()
set(LIBXML2_INCLUDE_DIRS "")
set(LIBXML2_LIBRARIES "")
endif()
# jemalloc
set(HAVE_JEMALLOC ${JEMALLOC_FOUND})
# spdylay (for src/nghttpx and src/h2load)
set(HAVE_SPDYLAY ${SPDYLAY_FOUND})
if(ENABLE_ASIO_LIB)
find_package(Boost 1.54.0 REQUIRED system thread)
endif()
# The nghttp, nghttpd and nghttpx under src depend on zlib, OpenSSL and libev
if(ENABLE_APP AND NOT (ZLIB_FOUND AND OPENSSL_FOUND AND LIBEV_FOUND))
message(FATAL_ERROR "Applications were requested (ENABLE_APP=1) but dependencies are not met.")
endif()
# HPACK tools requires jansson
if(ENABLE_HPACK_TOOLS AND NOT HAVE_JANSSON)
message(FATAL_ERROR "HPACK tools were requested (ENABLE_HPACK_TOOLS=1) but dependencies are not met.")
endif()
# C++ library libnghttp2_asio
if(ENABLE_EXAMPLES AND NOT (OPENSSL_FOUND AND LIBEVENT_OPENSSL_FOUND))
message(FATAL_ERROR "examples were requested (ENABLE_EXAMPLES=1) but dependencies are not met.")
endif()
# third-party http-parser only be built when needed
if(ENABLE_EXAMPLES OR ENABLE_APP OR ENABLE_HPACK_TOOLS OR ENABLE_ASIO_LIB)
set(ENABLE_THIRD_PARTY 1)
# mruby (for src/nghttpx)
set(HAVE_MRUBY ${WITH_MRUBY})
set(HAVE_NEVERBLEED ${WITH_NEVERBLEED})
else()
set(HAVE_MRUBY 0)
set(HAVE_NEVERBLEED 0)
endif()
# Checks for header files.
include(CheckIncludeFile)
check_include_file("arpa/inet.h" HAVE_ARPA_INET_H)
check_include_file("fcntl.h" HAVE_FCNTL_H)
check_include_file("inttypes.h" HAVE_INTTYPES_H)
check_include_file("limits.h" HAVE_LIMITS_H)
check_include_file("netdb.h" HAVE_NETDB_H)
check_include_file("netinet/in.h" HAVE_NETINET_IN_H)
check_include_file("pwd.h" HAVE_PWD_H)
check_include_file("sys/socket.h" HAVE_SYS_SOCKET_H)
check_include_file("sys/time.h" HAVE_SYS_TIME_H)
check_include_file("syslog.h" HAVE_SYSLOG_H)
check_include_file("time.h" HAVE_TIME_H)
check_include_file("unistd.h" HAVE_UNISTD_H)
include(CheckTypeSize)
# Checks for typedefs, structures, and compiler characteristics.
# AC_TYPE_SIZE_T
check_type_size("ssize_t" SIZEOF_SSIZE_T)
if(SIZEOF_SSIZE_T STREQUAL "")
# ssize_t is a signed type in POSIX storing at least -1.
# Set it to "int" to match the behavior of AC_TYPE_SSIZE_T (autotools).
set(ssize_t int)
endif()
# AC_TYPE_UINT8_T
# AC_TYPE_UINT16_T
# AC_TYPE_UINT32_T
# AC_TYPE_UINT64_T
# AC_TYPE_INT8_T
# AC_TYPE_INT16_T
# AC_TYPE_INT32_T
# AC_TYPE_INT64_T
# AC_TYPE_OFF_T
# AC_TYPE_PID_T
# AC_TYPE_UID_T
# XXX To support inline for crappy compilers, see https://cmake.org/Wiki/CMakeTestInline
# AC_C_INLINE
# XXX is AC_SYS_LARGEFILE still needed for modern systems?
# add_definitions(-D_FILE_OFFSET_BITS=64)
include(CheckStructHasMember)
check_struct_has_member("struct tm" tm_gmtoff time.h HAVE_STRUCT_TM_TM_GMTOFF)
# Check size of pointer to decide we need 8 bytes alignment adjustment.
check_type_size("int *" SIZEOF_INT_P)
check_type_size("time_t" SIZEOF_TIME_T)
# Checks for library functions.
include(CheckFunctionExists)
check_function_exists(_Exit HAVE__EXIT)
check_function_exists(accept4 HAVE_ACCEPT4)
check_function_exists(mkostemp HAVE_MKOSTEMP)
include(CheckSymbolExists)
# XXX does this correctly detect initgroups (un)availability on cygwin?
check_symbol_exists(initgroups grp.h HAVE_DECL_INITGROUPS)
if(NOT HAVE_DECL_INITGROUPS AND HAVE_UNISTD_H)
# FreeBSD declares initgroups() in unistd.h
check_symbol_exists(initgroups unistd.h HAVE_DECL_INITGROUPS2)
if(HAVE_DECL_INITGROUPS2)
set(HAVE_DECL_INITGROUPS 1)
endif()
endif()
set(WARNCFLAGS)
set(WARNCXXFLAGS)
if(CMAKE_C_COMPILER_ID MATCHES "MSVC")
if(ENABLE_WERROR)
set(WARNCFLAGS /WX)
set(WARNCXXFLAGS /WX)
endif()
else()
if(ENABLE_WERROR)
extract_valid_c_flags(WARNCFLAGS -Werror)
extract_valid_c_flags(WARNCXXFLAGS -Werror)
endif()
# For C compiler
extract_valid_c_flags(WARNCFLAGS
-Wall
-Wextra
-Wmissing-prototypes
-Wstrict-prototypes
-Wmissing-declarations
-Wpointer-arith
-Wdeclaration-after-statement
-Wformat-security
-Wwrite-strings
-Wshadow
-Winline
-Wnested-externs
-Wfloat-equal
-Wundef
-Wendif-labels
-Wempty-body
-Wcast-align
-Wclobbered
-Wvla
-Wpragmas
-Wunreachable-code
-Waddress
-Wattributes
-Wdiv-by-zero
-Wshorten-64-to-32
-Wconversion
-Wextended-offsetof
-Wformat-nonliteral
-Wlanguage-extension-token
-Wmissing-field-initializers
-Wmissing-noreturn
-Wmissing-variable-declarations
# Not used because we cannot change public structs
# -Wpadded
-Wsign-conversion
# Not used because this basically disallows default case
# -Wswitch-enum
-Wunreachable-code-break
-Wunused-macros
-Wunused-parameter
-Wredundant-decls
# Only work with Clang for the moment
-Wheader-guard
# This is required because we pass format string as "const char*.
-Wno-format-nonliteral
)
extract_valid_cxx_flags(WARNCXXFLAGS
# For C++ compiler
-Wall
-Wformat-security
)
endif()
if(ENABLE_DEBUG)
set(DEBUGBUILD 1)
endif()
# Some platform does not have working std::future. We disable
# threading for those platforms.
if(NOT ENABLE_THREADS OR NOT HAVE_STD_FUTURE)
set(NOTHREADS 1)
endif()
add_definitions(-DHAVE_CONFIG_H)
configure_file(cmakeconfig.h.in config.h)
# autotools-compatible names
# Sphinx expects relative paths in the .rst files. Use the fact that the files
# below are all one directory level deep.
file(RELATIVE_PATH top_srcdir "${CMAKE_CURRENT_BINARY_DIR}/dir" "${CMAKE_CURRENT_SOURCE_DIR}")
file(RELATIVE_PATH top_builddir "${CMAKE_CURRENT_BINARY_DIR}/dir" "${CMAKE_CURRENT_BINARY_DIR}")
set(abs_top_srcdir "${CMAKE_CURRENT_SOURCE_DIR}")
set(abs_top_builddir "${CMAKE_CURRENT_BINARY_DIR}")
# libnghttp2.pc (pkg-config file)
set(prefix "${CMAKE_INSTALL_PREFIX}")
set(exec_prefix "${CMAKE_INSTALL_PREFIX}")
set(libdir "${CMAKE_INSTALL_FULL_LIBDIR}")
set(includedir "${CMAKE_INSTALL_FULL_INCLUDEDIR}")
set(VERSION "${PACKAGE_VERSION}")
# For init scripts and systemd service file (in contrib/)
set(bindir "${CMAKE_INSTALL_FULL_BINDIR}")
set(sbindir "${CMAKE_INSTALL_FULL_SBINDIR}")
foreach(name
lib/libnghttp2.pc
lib/includes/nghttp2/nghttp2ver.h
src/libnghttp2_asio.pc
python/setup.py
integration-tests/config.go
integration-tests/setenv
doc/conf.py
doc/index.rst
doc/package_README.rst
doc/tutorial-client.rst
doc/tutorial-server.rst
doc/tutorial-hpack.rst
doc/nghttpx-howto.rst
doc/h2load-howto.rst
doc/libnghttp2_asio.rst
doc/python-apiref.rst
doc/building-android-binary.rst
doc/nghttp2.h.rst
doc/nghttp2ver.h.rst
doc/asio_http2.h.rst
doc/asio_http2_server.h.rst
doc/asio_http2_client.h.rst
doc/contribute.rst
)
configure_file("${name}.in" "${name}" @ONLY)
endforeach()
include_directories(
"${CMAKE_CURRENT_BINARY_DIR}" # for config.h
)
# For use in src/CMakeLists.txt
set(PKGDATADIR "${CMAKE_INSTALL_FULL_DATADIR}/${CMAKE_PROJECT_NAME}")
install(FILES README.rst DESTINATION "${CMAKE_INSTALL_DOCDIR}")
add_subdirectory(lib)
#add_subdirectory(lib/includes)
add_subdirectory(third-party)
add_subdirectory(src)
#add_subdirectory(src/includes)
add_subdirectory(examples)
add_subdirectory(python)
add_subdirectory(tests)
#add_subdirectory(tests/testdata)
add_subdirectory(integration-tests)
add_subdirectory(doc)
add_subdirectory(contrib)
add_subdirectory(script)
string(TOUPPER "${CMAKE_BUILD_TYPE}" _build_type)
message(STATUS "summary of build options:
Package version: ${VERSION}
Library version: ${LT_CURRENT}:${LT_REVISION}:${LT_AGE}
Install prefix: ${CMAKE_INSTALL_PREFIX}
Target system: ${CMAKE_SYSTEM_NAME}
Compiler:
Build type: ${CMAKE_BUILD_TYPE}
C compiler: ${CMAKE_C_COMPILER}
CFLAGS: ${CMAKE_C_FLAGS_${_build_type}} ${CMAKE_C_FLAGS}
C++ compiler: ${CMAKE_CXX_COMPILER}
CXXFLAGS: ${CMAKE_CXX_FLAGS_${_build_type}} ${CMAKE_CXX_FLAGS}
WARNCFLAGS: ${WARNCFLAGS}
CXX1XCXXFLAGS: ${CXX1XCXXFLAGS}
Python:
Python: ${PYTHON_EXECUTABLE}
PYTHON_VERSION: ${PYTHON_VERSION_STRING}
Library version:${PYTHONLIBS_VERSION_STRING}
Cython: ${CYTHON_EXECUTABLE}
Test:
CUnit: ${HAVE_CUNIT} (LIBS='${CUNIT_LIBRARIES}')
Failmalloc: ${ENABLE_FAILMALLOC}
Libs:
OpenSSL: ${HAVE_OPENSSL} (LIBS='${OPENSSL_LIBRARIES}')
Libxml2: ${HAVE_LIBXML2} (LIBS='${LIBXML2_LIBRARIES}')
Libev: ${HAVE_LIBEV} (LIBS='${LIBEV_LIBRARIES}')
Libc-ares: ${HAVE_LIBCARES} (LIBS='${LIBCARES_LIBRARIES}')
Libevent(SSL): ${HAVE_LIBEVENT_OPENSSL} (LIBS='${LIBEVENT_OPENSSL_LIBRARIES}')
Spdylay: ${HAVE_SPDYLAY} (LIBS='${SPDYLAY_LIBRARIES}')
Jansson: ${HAVE_JANSSON} (LIBS='${JANSSON_LIBRARIES}')
Jemalloc: ${HAVE_JEMALLOC} (LIBS='${JEMALLOC_LIBRARIES}')
Zlib: ${HAVE_ZLIB} (LIBS='${ZLIB_LIBRARIES}')
Boost::System: ${Boost_SYSTEM_LIBRARY}
Boost::Thread: ${Boost_THREAD_LIBRARY}
Third-party:
http-parser: ${ENABLE_THIRD_PARTY}
MRuby: ${HAVE_MRUBY}
Neverbleed: ${HAVE_NEVERBLEED}
Features:
Applications: ${ENABLE_APP}
HPACK tools: ${ENABLE_HPACK_TOOLS}
Libnghttp2_asio:${ENABLE_ASIO_LIB}
Examples: ${ENABLE_EXAMPLES}
Python bindings:${ENABLE_PYTHON_BINDINGS}
Threading: ${ENABLE_THREADS}
")
if(ENABLE_LIB_ONLY_DISABLED_OTHERS)
message("Only the library will be built. To build other components "
"(such as applications and examples), set ENABLE_LIB_ONLY=OFF.")
endif()