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Merge branch 'ligfx-cmake'
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@skvadrik
skvadrik committed Apr 6, 2020
2 parents 147fbd2 + a530570 commit 83f7bc8
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387 changes: 387 additions & 0 deletions CMakeLists.txt
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cmake_minimum_required(VERSION 3.0)
project(re2c VERSION 1.3 HOMEPAGE_URL "https://re2c.org/")

list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
include(Re2cAutotoolsHelpers)
include(Re2cBootstrapLexer)
include(Re2cBootstrapParser)
include(Re2cBootstrapCompiledHelp)
include(Re2cBootstrapManual)
include(Re2cTryCXXFlag)

ac_subst(PACKAGE_VERSION "${PROJECT_VERSION}")

option(RE2C_REBUILD_DOCS "Regenerate manpage" OFF)
if (RE2C_REBUILD_DOCS)
find_program(RST2MAN NAMES rst2man rst2man.py)
if (NOT RST2MAN)
message(FATAL_ERROR "need rst2man or rst2man.py for RE2C_REBUILD_DOCS=YES")
endif()
endif()

option(RE2C_BUILD_LIBS "Build libraries" OFF)

# checks for programs

find_package(BISON)

# checks for C++ compiler flags

set(CMAKE_CXX_STANDARD 98)
set(CMAKE_CXX_EXTENSIONS OFF)
set(CMAKE_POSITION_INDEPENDENT_CODE ON) # make sure object libraries work with shared libraries
if(NOT CMAKE_BUILD_TYPE)
try_cxxflag("-O2")
endif()
try_cxxflag("-W")
try_cxxflag("-Wall")
try_cxxflag("-Wextra")
try_cxxflag("-Weffc++")
try_cxxflag("-pedantic")
try_cxxflag("-Wformat=2")
try_cxxflag("-Wredundant-decls")
try_cxxflag("-Wsuggest-attribute=format")
try_cxxflag("-Wconversion")
try_cxxflag("-Wsign-conversion")
try_cxxflag("-Werror=return-type")
try_cxxflag("-Weverything"
"-Wno-unknown-warning-option" # CLANG eats some GCC options only to warn they are unknown
"-Wno-reserved-id-macro" # to allow header guards of the form '_RE2C_PATH_TO_HEADER_BASENAME_'
"-Wno-padded"
"-Wno-old-style-cast" # RE2C-generated lexer has lots of C-syle casts because of 're2c:yych:conversion = 1;'
"-Wno-nested-anon-types"
"-Wno-global-constructors" # initialization of global constants with std::numeric_limits<...> (mostly for size_t)
"-Wno-shadow-field-in-constructor" # using same names in ctor seems more like a feature
"-Wno-undefined-func-template" # explicit specialization to reduce build dependencies
)

# needed by src/c99_stdint.h
ac_check_headers("stdint.h")
# needed for POSIX file API
ac_check_headers("sys/types.h")
ac_check_headers("sys/stat.h")
ac_check_headers("fcntl.h")
ac_check_headers("unistd.h")
ac_check_headers("io.h") # windows POSIX-like API

# list of possible types to use in typedefs
ac_check_sizeof("char")
ac_check_sizeof("short")
ac_check_sizeof("int")
ac_check_sizeof("long")
ac_check_sizeof("long long")
ac_check_sizeof("__int64")
# size of pointers
ac_check_sizeof("void *")
# 64-bit integer constant suffix
ac_check_sizeof("0l")
ac_check_sizeof("0ll")
ac_check_sizeof("0i8")

set(top_srcdir "${CMAKE_CURRENT_SOURCE_DIR}")
configure_file(doc/manpage.rst.in doc/manpage.rst @ONLY)
configure_file(doc/help.rst.in doc/help.rst @ONLY)

configure_file(run_tests.sh.in run_tests.sh @ONLY)
if(CMAKE_HOST_UNIX)
execute_process(COMMAND chmod +x "${CMAKE_CURRENT_BINARY_DIR}/run_tests.sh")
endif()

ac_config_headers("config.h")

# Makefile.am
set(RE2C_STDLIB_DIR "${CMAKE_INSTALL_PREFIX}/share/re2c/stdlib")
add_compile_definitions("RE2C_STDLIB_DIR=\"${RE2C_STDLIB_DIR}\"")
add_compile_definitions($<$<CONFIG:Debug>:RE2C_DEBUG>)
include_directories(. "${CMAKE_CURRENT_BINARY_DIR}")

# sources
add_library(re2c_generated_ver_to_vernum OBJECT
"${CMAKE_CURRENT_BINARY_DIR}/src/msg/ver_to_vernum.cc"
)

add_executable(re2c
src/codegen/bitmap.cc
src/codegen/emit_action.cc
src/codegen/emit_dfa.cc
src/codegen/label.cc
src/codegen/go_construct.cc
src/codegen/go_destruct.cc
src/codegen/go_emit.cc
src/codegen/go_used_labels.cc
src/codegen/input_api.cc
src/codegen/output.cc
src/codegen/print.cc
src/options/opt.cc
src/nfa/estimate_size.cc
src/nfa/re_to_nfa.cc
src/adfa/adfa.cc
src/adfa/prepare.cc
src/debug/dump_adfa.cc
src/debug/dump_cfg.cc
src/debug/dump_dfa.cc
src/debug/dump_dfa_tree.cc
src/debug/dump_interf.cc
src/debug/dump_nfa.cc
src/cfg/cfg.cc
src/cfg/compact.cc
src/cfg/dce.cc
src/cfg/freeze.cc
src/cfg/interfere.cc
src/cfg/liveanal.cc
src/cfg/normalize.cc
src/cfg/optimize.cc
src/cfg/rename.cc
src/cfg/varalloc.cc
src/dfa/closure.cc
src/dfa/dead_rules.cc
src/dfa/determinization.cc
src/dfa/fallback_tags.cc
src/dfa/fillpoints.cc
src/dfa/find_state.cc
src/dfa/minimization.cc
src/dfa/stacmd.cc
src/dfa/tagver_table.cc
src/dfa/tcmd.cc
src/encoding/ebcdic/ebcdic_regexp.cc
src/encoding/enc.cc
src/encoding/range_suffix.cc
src/encoding/utf8/utf8_regexp.cc
src/encoding/utf8/utf8.cc
src/encoding/utf16/utf16_regexp.cc
src/encoding/utf16/utf16.cc
src/msg/msg.cc
src/msg/warn.cc
src/regexp/ast_to_re.cc
src/regexp/default_tags.cc
src/regexp/fixed_tags.cc
src/regexp/nullable.cc
src/regexp/rule.cc
src/regexp/split_charset.cc
src/regexp/tag.cc
src/compile.cc
src/skeleton/control_flow.cc
src/skeleton/generate_code.cc
src/skeleton/generate_data.cc
src/skeleton/maxpath.cc
src/skeleton/skeleton.cc
src/parse/ast.cc
src/parse/input.cc
src/parse/normalize.cc
src/parse/scanner.cc
src/parse/unescape.cc
src/parse/validate.cc
src/util/get_dir.cc
src/util/s_to_n32_unsafe.cc
src/util/temp_file.cc
src/util/range.cc
src/main.cc
$<TARGET_OBJECTS:re2c_generated_ver_to_vernum>
"${CMAKE_CURRENT_BINARY_DIR}/src/parse/parser.cc"
"${CMAKE_CURRENT_BINARY_DIR}/src/parse/parser.h"
"${CMAKE_CURRENT_BINARY_DIR}/src/msg/help.cc"
"${CMAKE_CURRENT_BINARY_DIR}/src/parse/lex.cc"
"${CMAKE_CURRENT_BINARY_DIR}/src/parse/lex.h"
"${CMAKE_CURRENT_BINARY_DIR}/src/parse/lex_conf.cc"
"${CMAKE_CURRENT_BINARY_DIR}/src/options/parse_opts.cc"
"${CMAKE_CURRENT_BINARY_DIR}/doc/re2c.1" # include this so CMake generates it
)

# target_include_directories(re2c PUBLIC "${CMAKE_CURRENT_BINARY_DIR}/generated")

re2c_bootstrap_lexer("src/parse/lex.re" "src/parse/lex.cc" "src/parse/lex.h")
re2c_bootstrap_lexer("src/parse/lex_conf.re" "src/parse/lex_conf.cc")
re2c_bootstrap_lexer("src/options/parse_opts.re" "src/options/parse_opts.cc")
re2c_bootstrap_lexer("src/msg/ver_to_vernum.re" "src/msg/ver_to_vernum.cc")
re2c_bootstrap_parser("src/parse/parser.ypp" "src/parse/parser.cc" "src/parse/parser.h")
re2c_bootstrap_compiled_help("${CMAKE_CURRENT_BINARY_DIR}/doc/help.rst" "src/msg/help.cc")
re2c_bootstrap_manual("${CMAKE_CURRENT_BINARY_DIR}/doc/manpage.rst" "doc/re2c.1")

if (CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
if(UNIX)
install(TARGETS re2c)
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/doc/re2c.1" DESTINATION "share/man/man1")
install(FILES include/unicode_categories.re DESTINATION "${RE2C_STDLIB_DIR}")
endif()

if(RE2C_REBUILD_DOCS)
add_custom_target(docs DEPENDS
"${CMAKE_CURRENT_BINARY_DIR}/doc/re2c.1"
"${CMAKE_CURRENT_BINARY_DIR}/src/msg/help.cc"
)
else()
add_custom_target(docs
COMMAND cmake -E echo "Reconfigure to rebuild docs: cmake -DRE2C_REBUILD_DOCS=YES"
COMMAND cmake -E false
)
endif()

# rebuild all re2c sources using newly built re2c
add_custom_target(bootstrap
COMMAND cmake -E remove_directory "src"
COMMAND cmake -E remove_directory "doc/re2c.1"
COMMAND cmake --build "${CMAKE_CURRENT_BINARY_DIR}"
)

# tests
add_custom_target(tests
DEPENDS run_tests.sh
WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}"
COMMAND "${CMAKE_CURRENT_BINARY_DIR}/run_tests.sh"
)
add_dependencies(tests re2c)
add_custom_target(vtests
DEPENDS run_tests.sh
WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}"
COMMAND "${CMAKE_CURRENT_BINARY_DIR}/run_tests.sh" --valgrind
)
add_dependencies(vtests re2c)
add_custom_target(wtests
DEPENDS run_tests.sh
WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}"
COMMAND "${CMAKE_CURRENT_BINARY_DIR}/run_tests.sh" --wine -j1
)
add_dependencies(wtests re2c)

add_executable(re2c_test_range
src/test/range/test-impl.h
src/test/range/test.cc
src/test/range/test.h
src/util/range.cc
src/util/range.h
src/util/static_assert.h
)
add_executable(re2c_test_s_to_n32_unsafe
src/test/s_to_n32_unsafe/test.cc
src/util/s_to_n32_unsafe.cc
)
add_executable(re2c_test_ver_to_vernum
src/test/ver_to_vernum/test.cc
$<TARGET_OBJECTS:re2c_generated_ver_to_vernum>
)

add_custom_target(check
COMMAND ./re2c_test_range
COMMAND ./re2c_test_s_to_n32_unsafe
COMMAND ./re2c_test_ver_to_vernum
)
add_dependencies(check tests re2c_test_range re2c_test_s_to_n32_unsafe re2c_test_ver_to_vernum)
endif()

if (RE2C_BUILD_LIBS)
add_library(libre2c_objects OBJECT
lib/regcomp.cc
lib/regexec.cc
lib/regexec_dfa.cc
lib/regexec_nfa_leftmost.cc
lib/regexec_nfa_leftmost_trie.cc
lib/regexec_nfa_posix.cc
lib/regexec_nfa_posix_trie.cc
lib/regexec_nfa_posix_backward.cc
lib/regexec_nfa_posix_kuklewicz.cc
lib/regfree.cc
lib/stubs.cc
src/parse/ast.cc
src/parse/unescape.cc
src/options/opt.cc
src/cfg/cfg.cc
src/cfg/compact.cc
src/cfg/dce.cc
src/cfg/freeze.cc
src/cfg/interfere.cc
src/cfg/liveanal.cc
src/cfg/normalize.cc
src/cfg/optimize.cc
src/cfg/rename.cc
src/cfg/varalloc.cc
src/dfa/closure.cc
src/debug/dump_adfa.cc
src/debug/dump_cfg.cc
src/debug/dump_dfa.cc
src/debug/dump_dfa_tree.cc
src/debug/dump_interf.cc
src/debug/dump_nfa.cc
src/dfa/dead_rules.cc
src/dfa/determinization.cc
src/dfa/fallback_tags.cc
src/dfa/fillpoints.cc
src/dfa/find_state.cc
src/dfa/minimization.cc
src/dfa/stacmd.cc
src/dfa/tagver_table.cc
src/dfa/tcmd.cc
src/nfa/estimate_size.cc
src/nfa/re_to_nfa.cc
src/encoding/enc.cc
src/encoding/range_suffix.cc
src/encoding/ebcdic/ebcdic_regexp.cc
src/encoding/utf16/utf16.cc
src/encoding/utf16/utf16_regexp.cc
src/encoding/utf8/utf8.cc
src/encoding/utf8/utf8_regexp.cc
src/msg/msg.cc
src/msg/warn.cc
src/regexp/ast_to_re.cc
src/regexp/default_tags.cc
src/regexp/fixed_tags.cc
src/regexp/nullable.cc
src/regexp/rule.cc
src/regexp/split_charset.cc
src/regexp/tag.cc
src/skeleton/control_flow.cc
src/skeleton/maxpath.cc
src/skeleton/skeleton.cc
src/util/range.cc
src/util/s_to_n32_unsafe.cc
"${CMAKE_CURRENT_BINARY_DIR}/lib/lex.cc"
"${CMAKE_CURRENT_BINARY_DIR}/lib/parse.cc"
)
set(libre2c_sources $<TARGET_OBJECTS:libre2c_objects> $<TARGET_OBJECTS:re2c_generated_ver_to_vernum>)

# build shared libraries
if ((NOT DEFINED BUILD_SHARED_LIBS) OR BUILD_SHARED_LIBS)
add_library(libre2c_shared SHARED ${libre2c_sources})
set_target_properties(libre2c_shared PROPERTIES OUTPUT_NAME "re2c")
if (UNIX)
install(TARGETS libre2c_shared)
endif()
endif()

# build static libraries
if ((NOT DEFINED BUILD_SHARED_LIBS) OR (NOT BUILD_SHARED_LIBS))
add_library(libre2c_static STATIC ${libre2c_sources})
if (UNIX)
set_target_properties(libre2c_static PROPERTIES OUTPUT_NAME "re2c")
install(TARGETS libre2c_static)
else()
set_target_properties(libre2c_static PROPERTIES OUTPUT_NAME "re2c_static")
endif()
endif()

# define top-level aliases to either static or shared libraries (default is static)
if (BUILD_SHARED_LIBS)
add_library(libre2c ALIAS libre2c_shared)
else()
add_library(libre2c ALIAS libre2c_static)
endif()

re2c_bootstrap_lexer("lib/lex.re" "lib/lex.cc")
re2c_bootstrap_parser("lib/parse.ypp" "lib/parse.cc" "lib/parse.h")

add_executable(test_libre2c lib/test.cc)
target_link_libraries(test_libre2c libre2c)

# check_PROGRAMS += test_libre2c // TODO

add_executable(bench_libre2c lib/bench.cc)
set_property(TARGET bench_libre2c PROPERTY CXX_STANDARD 11)
target_link_libraries(bench_libre2c libre2c)

find_path(RE2_INCLUDE_DIRECTORY "re2/re2.h")
find_library(RE2_LIBRARY "re2")
if (RE2_INCLUDE_DIRECTORY AND RE2_LIBRARY)
target_compile_definitions(bench_libre2c PRIVATE "HAVE_RE2_RE_H=1")
target_include_directories(bench_libre2c PRIVATE "${RE2_INCLUDE_DIRECTORY}")
target_link_libraries(bench_libre2c "${RE2_LIBRARY}")
endif()
endif()

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