CMake

.travis.yml

@@ -1,24 +1,71 @@
 language: c
 
-compiler:
-  - gcc
+matrix:
+    include:
+        - env: test="Original"
+
+          os: linux
+          dist: trusty
+          compiler: gcc
+          script: ./autogen.sh && ./configure && make && make check && make distcheck
+          before_script: 
+            - ./.travis/install-gettext.sh
+            - ./.travis/install-automake.sh
+            - export PATH=$HOME/bin:$PATH
+
+        - env: test="x64 4.8.4 (CMake gcc)"
+          os: linux
+          dist: trusty
+          compiler: gcc
+          before_script:
+              - mkdir gcc_rel && cd gcc_rel
+              - cmake ..
+          script:  make
+
+        - env: test="x64 (CMake clang)"
+          os: linux
+          dist: trusty
+          compiler: clang
+          before_script:
+              - mkdir clang_rel && cd clang_rel
+              - cmake ..
+          script:  make
+
+        - env: test="x64 (CMake clang - Ninja) Debug"
+          os: linux
+          dist: trusty
+          compiler: clang
+          before_script:
+              - mkdir clang_ninja_dbg && cd clang_ninja_dbg
+              - cmake .. -GNinja -DCMAKE_BUILD_TYPE=Debug
+          script:  ninja
+
+        - env: test="x64 (CMake clang - Ninja) Install / Uninstall"
+          os: linux
+          dist: trusty
+          compiler: clang
+          before_script:
+              - mkdir clang_ninja && cd clang_ninja
+              - cmake .. -GNinja -DCMAKE_INSTALL_PREFIX=./out
+          script:
+              - ninja install
+              - ninja uninstall
 
 addons:
-  apt:
-    sources:
-    - ubuntu-toolchain-r-test
-    packages:
-    - autoconf
-    - bison
-    - gcc-6
-    - help2man
-    - lzip
-    - texinfo
-    - texlive
-
-before_script:
-    - ./.travis/install-gettext.sh
-    - ./.travis/install-automake.sh
-    - export PATH=$HOME/bin:$PATH
-
-script: ./autogen.sh && ./configure && make && make check && make distcheck
+
+    apt:
+        packages:
+            - autoconf
+            - bison
+            - gcc-6
+            - help2man
+            - lzip
+            - texinfo
+            - texlive
+            - automake
+            - libtool
+            - m4
+            - cmake
+            - ninja-build
+        sources:
+            - ubuntu-toolchain-r-test

CMakeLists.txt

@@ -0,0 +1,128 @@
+cmake_minimum_required(VERSION 3.0.2 FATAL_ERROR)
+
+set(CMAKE_MODULE_PATH "${CMAKE_MODULE_PATH}" "${CMAKE_SOURCE_DIR}/cmake")
+
+if(NOT CMAKE_BUILD_TYPE)
+    set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Choose the type of build, options are: DEBUG, RELEASE, or MINSIZEREL." FORCE)
+    message(STATUS "No build type specified, defaulting to Release.")
+endif()
+
+project(flex LANGUAGES C)
+
+# Create config.h
+include(make_config_h)
+
+# Build options
+option(ENABLE_NLS "Enable NLS" FALSE)
+if(ENABLE_NLS)
+  add_definitions(-DENABLE_NLS -DYYENABLE_NLS)
+endif()
+option(ENABLE_C_ALLOCA "Enable alloca.c" FALSE)
+option(ENABLE_MEM_SHIM "Replacement malloc, realloc" FALSE)
+
+# Locate M4 path if not set
+if(NOT M4_PATH)
+  if(UNIX OR APPLE)
+    set(SEARCH_CMD which)
+  elseif(MINGW OR CYGWIN OR WIN32)
+    set(SEARCH_CMD where)
+  endif()
+
+  execute_process(
+    COMMAND ${SEARCH_CMD} m4
+    OUTPUT_VARIABLE M4_PATH
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+  )
+endif()
+MESSAGE(STATUS "Using M4: ${M4_PATH}")
+
+# compiler specifics
+if (CMAKE_C_COMPILER_ID MATCHES "GNU|Clang")
+  add_definitions(-D_GNU_SOURCE)
+elseif (CMAKE_C_COMPILER_ID MATCHES "MSVC")
+  add_definitions(-D_CONSOLE -D_MBCS -D_CRT_SECURE_NO_WARNINGS)
+endif()
+
+# generate parse.c
+include(FindBISON)
+bison_target(parse src/parse.y ${CMAKE_BINARY_DIR}/gen/parse.c)
+
+# generate scan.c
+include(FindFLEX)
+FLEX_TARGET(scan src/scan.l ${CMAKE_BINARY_DIR}/gen/scan.c)
+
+# generate skel.c
+string(REPLACE ";" "" STRIPPED_VERSION "${VERSION}")
+include(FindUnixCommands)
+if(BASH)
+add_custom_command(
+  OUTPUT ${CMAKE_BINARY_DIR}/gen/skel.c
+  COMMAND ${BASH} -c "${CMAKE_SOURCE_DIR}/src/mkskel.sh ${CMAKE_SOURCE_DIR}/src ${M4_PATH} ${STRIPPED_VERSION}>skel.c"
+  DEPENDS ${CMAKE_SOURCE_DIR}/src/mkskel.sh
+  WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/gen
+  COMMENT "[m4][flex.skl] Creating skel.c"
+)
+# TODO make this step target generic via CMake script
+endif()
+
+set(GENERATED_SOURCES
+  ${BISON_parse_OUTPUT_SOURCE}
+  ${FLEX_scan_OUTPUTS}
+  ${CMAKE_BINARY_DIR}/gen/skel.c
+)
+
+# inlcude files
+include_directories(src)
+include_directories(${CMAKE_BINARY_DIR}/gen)
+
+# source files
+set(sources
+  src/buf.c src/ccl.c src/dfa.c src/ecs.c
+  src/scanflags.c src/filter.c src/flexdef.h
+  src/gen.c src/misc.c src/nfa.c
+  src/options.c src/options.h src/regex.c
+  src/scanopt.c src/scanopt.h src/sym.c
+  src/tables.c src/tables.h 
+  src/tables_shared.c src/tables_shared.h
+  src/tblcmp.c src/yylex.c
+)
+
+if(ENABLE_MEM_SHIM)
+  list(APPEND sources lib/malloc.c lib/realloc.c)
+endif()
+
+# command line
+add_executable(flex ${sources} src/main.c ${GENERATED_SOURCES})
+add_library(fl SHARED ${sources} ${GENERATED_SOURCES})
+if(UNIX AND NOT ANDROID)
+  target_link_libraries(flex -lm)
+  target_link_libraries(fl -lm)
+  set(PKGCONFIG_LIBS "-lm -lc")
+endif()
+
+# Installation
+include(GNUInstallDirs)
+include(CMakePackageConfigHelpers)
+
+install(TARGETS flex DESTINATION ${CMAKE_INSTALL_BINDIR})
+install(TARGETS fl DESTINATION ${CMAKE_INSTALL_LIBDIR})
+
+# pkgconfig
+set(prefix ${CMAKE_INSTALL_PREFIX})
+set(exec_prefix "\${prefix}")
+set(libdir "\${exec_prefix}/lib")
+configure_file(${CMAKE_SOURCE_DIR}/src/libfl.pc.in ${CMAKE_CURRENT_BINARY_DIR}/libfl.pc @ONLY)
+install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libfl.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
+
+# CMake
+configure_package_config_file(cmake/FlexConfig.cmake.in ${CMAKE_CURRENT_BINARY_DIR}/FlexConfigVersion.cmake
+    INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/flex/cmake)
+
+write_basic_package_version_file(${CMAKE_CURRENT_BINARY_DIR}/FlexConfigVersion.cmake
+    VERSION ${PACKAGE_VERSION} COMPATIBILITY ExactVersion)
+
+install(FILES ${CMAKE_CURRENT_BINARY_DIR}/FlexConfigVersion.cmake
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}/flex/cmake )
+
+# uninstall
+add_custom_target(uninstall "${CMAKE_COMMAND}" -P "${CMAKE_SOURCE_DIR}/cmake/make_uninstall.cmake")

cmake/FlexConfig.cmake.in

@@ -0,0 +1,8 @@
+set(FLEX_VERSION @PACKAGE_VERSION@)
+...
+@PACKAGE_INIT@
+...
+set_and_check(FLEX_INCLUDE_DIR "@PACKAGE_INCLUDE_INSTALL_DIR@")
+set_and_check(FLEX_SYSCONFIG_DIR "@PACKAGE_SYSCONFIG_INSTALL_DIR@")
+
+check_required_components(flex)