first commit

nghttp2/cmake/ExtractValidFlags.cmake

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+# Convenience function that checks the availability of certain
+# C or C++ compiler flags and returns valid ones as a string.
+
+include(CheckCCompilerFlag)
+include(CheckCXXCompilerFlag)
+
+function(extract_valid_c_flags varname)
+  set(valid_flags)
+  foreach(flag IN LISTS ARGN)
+    string(REGEX REPLACE "[^a-zA-Z0-9_]+" "_" flag_var ${flag})
+    set(flag_var "C_FLAG_${flag_var}")
+    check_c_compiler_flag("${flag}" "${flag_var}")
+    if(${flag_var})
+      set(valid_flags "${valid_flags} ${flag}")
+    endif()
+  endforeach()
+  set(${varname} "${valid_flags}" PARENT_SCOPE)
+endfunction()
+
+function(extract_valid_cxx_flags varname)
+  set(valid_flags)
+  foreach(flag IN LISTS ARGN)
+    string(REGEX REPLACE "[^a-zA-Z0-9_]+" "_" flag_var ${flag})
+    set(flag_var "CXX_FLAG_${flag_var}")
+    check_cxx_compiler_flag("${flag}" "${flag_var}")
+    if(${flag_var})
+      set(valid_flags "${valid_flags} ${flag}")
+    endif()
+  endforeach()
+  set(${varname} "${valid_flags}" PARENT_SCOPE)
+endfunction()

nghttp2/cmake/FindCUnit.cmake

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+# - Try to find cunit
+# Once done this will define
+#  CUNIT_FOUND        - System has cunit
+#  CUNIT_INCLUDE_DIRS - The cunit include directories
+#  CUNIT_LIBRARIES    - The libraries needed to use cunit
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(PC_CUNIT QUIET cunit)
+
+find_path(CUNIT_INCLUDE_DIR
+  NAMES CUnit/CUnit.h
+  HINTS ${PC_CUNIT_INCLUDE_DIRS}
+)
+find_library(CUNIT_LIBRARY
+  NAMES cunit
+  HINTS ${PC_CUNIT_LIBRARY_DIRS}
+)
+
+if(CUNIT_INCLUDE_DIR)
+  set(_version_regex "^#define[ \t]+CU_VERSION[ \t]+\"([^\"]+)\".*")
+  file(STRINGS "${CUNIT_INCLUDE_DIR}/CUnit/CUnit.h"
+    CUNIT_VERSION REGEX "${_version_regex}")
+  string(REGEX REPLACE "${_version_regex}" "\\1"
+    CUNIT_VERSION "${CUNIT_VERSION}")
+  unset(_version_regex)
+endif()
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set CUNIT_FOUND to TRUE
+# if all listed variables are TRUE and the requested version matches.
+find_package_handle_standard_args(CUnit REQUIRED_VARS
+                                  CUNIT_LIBRARY CUNIT_INCLUDE_DIR
+                                  VERSION_VAR CUNIT_VERSION)
+
+if(CUNIT_FOUND)
+  set(CUNIT_LIBRARIES     ${CUNIT_LIBRARY})
+  set(CUNIT_INCLUDE_DIRS  ${CUNIT_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(CUNIT_INCLUDE_DIR CUNIT_LIBRARY)

nghttp2/cmake/FindCython.cmake

@@ -0,0 +1,44 @@
+# Find the Cython compiler.
+#
+# This code sets the following variables:
+#
+#  CYTHON_EXECUTABLE
+#
+# See also UseCython.cmake
+
+#=============================================================================
+# Copyright 2011 Kitware, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#=============================================================================
+
+# Use the Cython executable that lives next to the Python executable
+# if it is a local installation.
+find_package( PythonInterp )
+if( PYTHONINTERP_FOUND )
+  get_filename_component( _python_path ${PYTHON_EXECUTABLE} PATH )
+  find_program( CYTHON_EXECUTABLE
+    NAMES cython cython.bat cython3
+    HINTS ${_python_path}
+    )
+else()
+  find_program( CYTHON_EXECUTABLE
+    NAMES cython cython.bat cython3
+    )
+endif()
+
+
+include( FindPackageHandleStandardArgs )
+FIND_PACKAGE_HANDLE_STANDARD_ARGS( Cython REQUIRED_VARS CYTHON_EXECUTABLE )
+
+mark_as_advanced( CYTHON_EXECUTABLE )

nghttp2/cmake/FindJansson.cmake

@@ -0,0 +1,40 @@
+# - Try to find jansson
+# Once done this will define
+#  JANSSON_FOUND        - System has jansson
+#  JANSSON_INCLUDE_DIRS - The jansson include directories
+#  JANSSON_LIBRARIES    - The libraries needed to use jansson
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(PC_JANSSON QUIET jansson)
+
+find_path(JANSSON_INCLUDE_DIR
+  NAMES jansson.h
+  HINTS ${PC_JANSSON_INCLUDE_DIRS}
+)
+find_library(JANSSON_LIBRARY
+  NAMES jansson
+  HINTS ${PC_JANSSON_LIBRARY_DIRS}
+)
+
+if(JANSSON_INCLUDE_DIR)
+  set(_version_regex "^#define[ \t]+JANSSON_VERSION[ \t]+\"([^\"]+)\".*")
+  file(STRINGS "${JANSSON_INCLUDE_DIR}/jansson.h"
+    JANSSON_VERSION REGEX "${_version_regex}")
+  string(REGEX REPLACE "${_version_regex}" "\\1"
+    JANSSON_VERSION "${JANSSON_VERSION}")
+  unset(_version_regex)
+endif()
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set JANSSON_FOUND to TRUE
+# if all listed variables are TRUE and the requested version matches.
+find_package_handle_standard_args(Jansson REQUIRED_VARS
+                                  JANSSON_LIBRARY JANSSON_INCLUDE_DIR
+                                  VERSION_VAR JANSSON_VERSION)
+
+if(JANSSON_FOUND)
+  set(JANSSON_LIBRARIES     ${JANSSON_LIBRARY})
+  set(JANSSON_INCLUDE_DIRS  ${JANSSON_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(JANSSON_INCLUDE_DIR JANSSON_LIBRARY)

nghttp2/cmake/FindJemalloc.cmake

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+# - Try to find jemalloc
+# Once done this will define
+#  JEMALLOC_FOUND        - System has jemalloc
+#  JEMALLOC_INCLUDE_DIRS - The jemalloc include directories
+#  JEMALLOC_LIBRARIES    - The libraries needed to use jemalloc
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(PC_JEMALLOC QUIET jemalloc)
+
+find_path(JEMALLOC_INCLUDE_DIR
+  NAMES jemalloc/jemalloc.h
+  HINTS ${PC_JEMALLOC_INCLUDE_DIRS}
+)
+find_library(JEMALLOC_LIBRARY
+  NAMES jemalloc
+  HINTS ${PC_JEMALLOC_LIBRARY_DIRS}
+)
+
+if(JEMALLOC_INCLUDE_DIR)
+  set(_version_regex "^#define[ \t]+JEMALLOC_VERSION[ \t]+\"([^\"]+)\".*")
+  file(STRINGS "${JEMALLOC_INCLUDE_DIR}/jemalloc/jemalloc.h"
+    JEMALLOC_VERSION REGEX "${_version_regex}")
+  string(REGEX REPLACE "${_version_regex}" "\\1"
+    JEMALLOC_VERSION "${JEMALLOC_VERSION}")
+  unset(_version_regex)
+endif()
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set JEMALLOC_FOUND to TRUE
+# if all listed variables are TRUE and the requested version matches.
+find_package_handle_standard_args(Jemalloc REQUIRED_VARS
+                                  JEMALLOC_LIBRARY JEMALLOC_INCLUDE_DIR
+                                  VERSION_VAR JEMALLOC_VERSION)
+
+if(JEMALLOC_FOUND)
+  set(JEMALLOC_LIBRARIES    ${JEMALLOC_LIBRARY})
+  set(JEMALLOC_INCLUDE_DIRS ${JEMALLOC_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(JEMALLOC_INCLUDE_DIR JEMALLOC_LIBRARY)

nghttp2/cmake/FindLibcares.cmake

@@ -0,0 +1,40 @@
+# - Try to find libcares
+# Once done this will define
+#  LIBCARES_FOUND        - System has libcares
+#  LIBCARES_INCLUDE_DIRS - The libcares include directories
+#  LIBCARES_LIBRARIES    - The libraries needed to use libcares
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(PC_LIBCARES QUIET libcares)
+
+find_path(LIBCARES_INCLUDE_DIR
+  NAMES ares.h
+  HINTS ${PC_LIBCARES_INCLUDE_DIRS}
+)
+find_library(LIBCARES_LIBRARY
+  NAMES cares
+  HINTS ${PC_LIBCARES_LIBRARY_DIRS}
+)
+
+if(LIBCARES_INCLUDE_DIR)
+  set(_version_regex "^#define[ \t]+ARES_VERSION_STR[ \t]+\"([^\"]+)\".*")
+  file(STRINGS "${LIBCARES_INCLUDE_DIR}/ares_version.h"
+    LIBCARES_VERSION REGEX "${_version_regex}")
+  string(REGEX REPLACE "${_version_regex}" "\\1"
+    LIBCARES_VERSION "${LIBCARES_VERSION}")
+  unset(_version_regex)
+endif()
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set LIBCARES_FOUND to TRUE
+# if all listed variables are TRUE and the requested version matches.
+find_package_handle_standard_args(Libcares REQUIRED_VARS
+                                  LIBCARES_LIBRARY LIBCARES_INCLUDE_DIR
+                                  VERSION_VAR LIBCARES_VERSION)
+
+if(LIBCARES_FOUND)
+  set(LIBCARES_LIBRARIES     ${LIBCARES_LIBRARY})
+  set(LIBCARES_INCLUDE_DIRS  ${LIBCARES_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(LIBCARES_INCLUDE_DIR LIBCARES_LIBRARY)

nghttp2/cmake/FindLibev.cmake

@@ -0,0 +1,38 @@
+# - Try to find libev
+# Once done this will define
+#  LIBEV_FOUND        - System has libev
+#  LIBEV_INCLUDE_DIRS - The libev include directories
+#  LIBEV_LIBRARIES    - The libraries needed to use libev
+
+find_path(LIBEV_INCLUDE_DIR
+  NAMES ev.h
+)
+find_library(LIBEV_LIBRARY
+  NAMES ev
+)
+
+if(LIBEV_INCLUDE_DIR)
+  file(STRINGS "${LIBEV_INCLUDE_DIR}/ev.h"
+    LIBEV_VERSION_MAJOR REGEX "^#define[ \t]+EV_VERSION_MAJOR[ \t]+[0-9]+")
+  file(STRINGS "${LIBEV_INCLUDE_DIR}/ev.h"
+    LIBEV_VERSION_MINOR REGEX "^#define[ \t]+EV_VERSION_MINOR[ \t]+[0-9]+")
+  string(REGEX REPLACE "[^0-9]+" "" LIBEV_VERSION_MAJOR "${LIBEV_VERSION_MAJOR}")
+  string(REGEX REPLACE "[^0-9]+" "" LIBEV_VERSION_MINOR "${LIBEV_VERSION_MINOR}")
+  set(LIBEV_VERSION "${LIBEV_VERSION_MAJOR}.${LIBEV_VERSION_MINOR}")
+  unset(LIBEV_VERSION_MINOR)
+  unset(LIBEV_VERSION_MAJOR)
+endif()
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set LIBEV_FOUND to TRUE
+# if all listed variables are TRUE and the requested version matches.
+find_package_handle_standard_args(Libev REQUIRED_VARS
+                                  LIBEV_LIBRARY LIBEV_INCLUDE_DIR
+                                  VERSION_VAR LIBEV_VERSION)
+
+if(LIBEV_FOUND)
+  set(LIBEV_LIBRARIES     ${LIBEV_LIBRARY})
+  set(LIBEV_INCLUDE_DIRS  ${LIBEV_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(LIBEV_INCLUDE_DIR LIBEV_LIBRARY)

nghttp2/cmake/FindLibevent.cmake

@@ -0,0 +1,97 @@
+# - Try to find libevent
+#.rst
+# FindLibevent
+# ------------
+#
+# Find Libevent include directories and libraries. Invoke as::
+#
+#   find_package(Libevent
+#     [version] [EXACT]   # Minimum or exact version
+#     [REQUIRED]          # Fail if Libevent is not found
+#     [COMPONENT <C>...]) # Libraries to look for
+#
+# Valid components are one or more of:: libevent core extra pthreads openssl.
+# Note that 'libevent' contains both core and extra. You must specify one of
+# them for the other components.
+#
+# This module will define the following variables::
+#
+#  LIBEVENT_FOUND        - True if headers and requested libraries were found
+#  LIBEVENT_INCLUDE_DIRS - Libevent include directories
+#  LIBEVENT_LIBRARIES    - Libevent libraries to be linked
+#  LIBEVENT_<C>_FOUND    - Component <C> was found (<C> is uppercase)
+#  LIBEVENT_<C>_LIBRARY  - Library to be linked for Libevent component <C>.
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(PC_LIBEVENT QUIET libevent)
+
+# Look for the Libevent 2.0 or 1.4 headers
+find_path(LIBEVENT_INCLUDE_DIR
+  NAMES
+    event2/event-config.h
+    event-config.h
+  HINTS
+    ${PC_LIBEVENT_INCLUDE_DIRS}
+)
+
+if(LIBEVENT_INCLUDE_DIR)
+  set(_version_regex "^#define[ \t]+_EVENT_VERSION[ \t]+\"([^\"]+)\".*")
+  if(EXISTS "${LIBEVENT_INCLUDE_DIR}/event2/event-config.h")
+    # Libevent 2.0
+    file(STRINGS "${LIBEVENT_INCLUDE_DIR}/event2/event-config.h"
+      LIBEVENT_VERSION REGEX "${_version_regex}")
+    if("${LIBEVENT_VERSION}" STREQUAL "")
+      set(LIBEVENT_VERSION ${PC_LIBEVENT_VERSION})
+    endif()
+  else()
+    # Libevent 1.4
+    file(STRINGS "${LIBEVENT_INCLUDE_DIR}/event-config.h"
+      LIBEVENT_VERSION REGEX "${_version_regex}")
+  endif()
+  string(REGEX REPLACE "${_version_regex}" "\\1"
+    LIBEVENT_VERSION "${LIBEVENT_VERSION}")
+  unset(_version_regex)
+endif()
+
+set(_LIBEVENT_REQUIRED_VARS)
+foreach(COMPONENT ${Libevent_FIND_COMPONENTS})
+  set(_LIBEVENT_LIBNAME libevent)
+  # Note: compare two variables to avoid a CMP0054 policy warning
+  if(COMPONENT STREQUAL _LIBEVENT_LIBNAME)
+    set(_LIBEVENT_LIBNAME event)
+  else()
+    set(_LIBEVENT_LIBNAME "event_${COMPONENT}")
+  endif()
+  string(TOUPPER "${COMPONENT}" COMPONENT_UPPER)
+  find_library(LIBEVENT_${COMPONENT_UPPER}_LIBRARY
+    NAMES ${_LIBEVENT_LIBNAME}
+    HINTS ${PC_LIBEVENT_LIBRARY_DIRS}
+  )
+  if(LIBEVENT_${COMPONENT_UPPER}_LIBRARY)
+    set(Libevent_${COMPONENT}_FOUND 1)
+  endif()
+  list(APPEND _LIBEVENT_REQUIRED_VARS LIBEVENT_${COMPONENT_UPPER}_LIBRARY)
+endforeach()
+unset(_LIBEVENT_LIBNAME)
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set LIBEVENT_FOUND to TRUE
+# if all listed variables are TRUE and the requested version matches.
+find_package_handle_standard_args(Libevent REQUIRED_VARS
+                                  ${_LIBEVENT_REQUIRED_VARS}
+                                  LIBEVENT_INCLUDE_DIR
+                                  VERSION_VAR LIBEVENT_VERSION
+                                  HANDLE_COMPONENTS)
+
+if(LIBEVENT_FOUND)
+  set(LIBEVENT_INCLUDE_DIRS  ${LIBEVENT_INCLUDE_DIR})
+  set(LIBEVENT_LIBRARIES)
+  foreach(COMPONENT ${Libevent_FIND_COMPONENTS})
+    string(TOUPPER "${COMPONENT}" COMPONENT_UPPER)
+    list(APPEND LIBEVENT_LIBRARIES ${LIBEVENT_${COMPONENT_UPPER}_LIBRARY})
+    set(LIBEVENT_${COMPONENT_UPPER}_FOUND ${Libevent_${COMPONENT}_FOUND})
+  endforeach()
+endif()
+
+mark_as_advanced(LIBEVENT_INCLUDE_DIR ${_LIBEVENT_REQUIRED_VARS})
+unset(_LIBEVENT_REQUIRED_VARS)

nghttp2/cmake/FindSystemd.cmake

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+# - Try to find systemd
+# Once done this will define
+#  SYSTEMD_FOUND        - System has systemd
+#  SYSTEMD_INCLUDE_DIRS - The systemd include directories
+#  SYSTEMD_LIBRARIES    - The libraries needed to use systemd
+
+include(FeatureSummary)
+set_package_properties(Systemd PROPERTIES
+        URL "http://freedesktop.org/wiki/Software/systemd/"
+        DESCRIPTION "System and Service Manager")
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(PC_SYSTEMD QUIET libsystemd)
+find_library(SYSTEMD_LIBRARIES NAMES systemd ${PC_SYSTEMD_LIBRARY_DIRS})
+find_path(SYSTEMD_INCLUDE_DIRS systemd/sd-login.h HINTS ${PC_SYSTEMD_INCLUDE_DIRS})
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(SYSTEMD DEFAULT_MSG SYSTEMD_INCLUDE_DIRS SYSTEMD_LIBRARIES)
+mark_as_advanced(SYSTEMD_INCLUDE_DIRS SYSTEMD_LIBRARIES)

nghttp2/cmake/Version.cmake

@@ -0,0 +1,11 @@
+# Converts a version such as 1.2.255 to 0x0102ff
+function(HexVersion version_hex_var major minor patch)
+  math(EXPR version_dec "${major} * 256 * 256 + ${minor} * 256 + ${patch}")
+  set(version_hex "0x")
+  foreach(i RANGE 5 0 -1)
+    math(EXPR num "(${version_dec} >> (4 * ${i})) & 15")
+    string(SUBSTRING "0123456789abcdef" ${num} 1 num_hex)
+    set(version_hex "${version_hex}${num_hex}")
+  endforeach()
+  set(${version_hex_var} "${version_hex}" PARENT_SCOPE)
+endfunction()