gistfile1.txt

project lwan {
	language = c
}

configure {
	# If matched, creates a HAVE_SQLITE define in the config file,
	# and enables a SQLITE feature that can be used for dependency
	# testing, and, if linking against this library, adds automatically
	# its CFLAGS and LDFLAGS.
	pkg_config sqlite3 {
		at_least_ver = 3.6.20
		optional = yes
		feature = SQLITE
	}
	# Both luajit and the other possible lua packages expose the same
	# feature. If luajit matches first, then the pkg_config block
	# below isn't tested.
	pkg_config luajit {
		at_least_ver = 2.0
		at_most_ver = 2.0.999
		optional = yes
		feature = LUA
	}
	pkg_config lua lua51 lua5.1 lua-5.1 {
		at_least_ver = 5.1.0
		at_most_ver = 5.1.999
		optional = yes
		feature = LUA
	}
	# A library block tests if it can find for instance a
	# "lib$LIBNAME.so" file somewhere. If it finds, a feature can
	# be defined. If one feature is defined, the other block isn't
	# tested.
	bool_option alternative_malloc {
		library tcmalloc_minimal tcmalloc {
			feature = ALTMALLOC
		}
		library jemalloc {
			feature = ALTMALLOC
		}
	}
	library z {
		include = zlib.h
		feature = ZLIB
	}
	# If an include has been found, it defines the VALGRIND_H feature,
	# and the HAVE_VALGRIND_H macro in the config file
	has_include valgrind.h
	# This defines the LINUX_CAPABILITY_H feature
	has_include linux/capability.h
	has_include sys/epoll.h
	has_include alloca.h
	has_function kqueue {
		# This defines the KQUEUE feature, and HAVE_KQUEUE config
		include = sys/time.h sys/types.h sys/event.h
	}
	has_function getauxval { include = sys/auxv.h }
	has_function rawmemchr { 
		include = string.h
		gnu_source = yes
	}
	has_function get_current_dir_name {
		include = unistd.h
		gnu_source = yes
	}
	has_function reallocarray {
		include = stdlib.h
		default_source = yes
		gnu_source = yes
	}
	has_function pipe2 {
		include = unistd.h
		gnu_source = yes
	}
	has_function accept4 {
		include = sys/types.h sys/socket.h
		gnu_source = yes
	}
	has_function readahead {
		include = fcntl.h
		gnu_souce = yes
	}
	has_function mkostemp {
		include = stdlib.h
		gnu_source = yes
		default_source = yes
	}
	compiles BUILTIN_CPU_INIT { code = """__builtin_cpu_init();""" }
	compiles BUILTON_CLZLL { code = """__builtin_clzll(0);""" }
	compiles BUILTIN_FPCLASSIFY { code = """__builtin_fpclassify(0, 0, 0, 0, 0, 0.0f); """ }
	compiles BUILTIN_CRC32 {
		code = """__builtin_ia32_crc32hi(0, 0);"""
		# This checks if the above code builds, and appens -mcrc32
		# to the flags.  If it builds, CFLAGS gets amended with that
		# too.
		add_to CFLAGS { -mcrc32 }
	}
	compiles STATIC_ASSERT { code = """_Static_assert(1, "");""" }
	# This tests each and every flag, and if any of them are available,
	# add to RELEASE_CFLAGS
	cc_add_flags_if RELEASE_CFLAGS {
		-mtune=native
		-march=native
		-malign-data=abi
		-fno-asynchronous-unwind-tables
		-ffat-lto-objects
	}
	# Same for EXEC_LDFLAGS
	cc_add_flags_if EXEC_LDFLAGS {
		-Wl,-bind_at_load
		-Wl,-z,now
		-Wl,-z,relro
		-Wl,-z,noexecstack
	}
	cc_add_flags_if CFLAGS {
		-fstack-protector-explicit
		-fno-plt
		-Wduplicated-cond
		-Wduplicated-branches
		-Wlogical-op
		-Wdouble-promotion
		-Wno-unused-parameter
		-Wstringop-truncation
		-Wvla
		-Wall
		-Wextra
		-Wshadow
		-Wconversion
	}
	add_to CFLAGS { -std=gnu99 }
	add_to CFLAGS { -D_FILE_OFFSET_BITS=64 }
	link_options { static_whole_archive = yes }
}

generator mimegen {
	sources {
		src/lib/hash.c
		src/lib/murmur3.c
		src/lib/missing.c
		src/bin/tools/mimegen.c
	}
	depends ZOPFLI { feature = MIMEGEN_COMPRESS_LIB }
	depends ZLIB { feature = MIMEGEN_COMPRESS_LIB }
}

generator bin2hex {
	sources {
		src/lib/tools/bin2hex.c
	}
}

generate mime-types.h {
	depends MIMEGEN
	depends_files { src/bin/tools/mime.types }
	# This uses the environment variable expansion in the configuration
	# parser.
	command_line = """
		${BIN_DIR}/mimegen ${ROOT_DIR}/src/bin/tools/mime.types
	"""
	capture_stdout_to = mime-types.h
}

generate auto-index-icons.h {
	depends BIN2HEX
	depends_files {
		wwwroot/icons/back.gif
		wwwroot/icons/file.gif
		wwwroot/icons/folder.gif
	}
	command_line = """
		${BIN_DIR}/bin2hex
		${ROOT_DIR}/wwwroot/icons/back.gif back_gif
		${ROOT_DIR}/wwwroot/icons/file.gif file_gif
		${ROOT_DIR}/wwwroot/icons/folder.gif folder_gif
	"""
	capture_stdout_to = auto-index-icons.h
}

library lwan {
	sources src/lib/*.c {
		depends LUA {
			glob = src/lib/lwan*-lua.c
		}
	}

	depends = MIME_TYPES_H
	depends = AUTO_INDEX_ICONS_H

	shared {
		symbol_filter = src/lib/liblwan.sym
		link_with LUA { optional = yes }
		link_with ZLIB
	}
	static
}

binary lwan {
	link_with LWAN_STATIC
}