From 1f3e0177d99ef68a5a837489413e9ed8753d2a69 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Wed, 3 Apr 2024 18:52:57 +0200 Subject: [PATCH] tools/bzip2: switch to cmake Fixes portability issues on macOS. CMakeLists.txt is a stripped-down backport from bzip2 upstream Signed-off-by: Felix Fietkau --- tools/bzip2/Makefile | 24 +- .../021-merge-and-improve-makefiles.patch | 401 ------------------ tools/bzip2/patches/100-cmake.patch | 382 +++++++++++++++++ 3 files changed, 384 insertions(+), 423 deletions(-) delete mode 100644 tools/bzip2/patches/021-merge-and-improve-makefiles.patch create mode 100644 tools/bzip2/patches/100-cmake.patch diff --git a/tools/bzip2/Makefile b/tools/bzip2/Makefile index 0c5a92849ad..86df143826d 100644 --- a/tools/bzip2/Makefile +++ b/tools/bzip2/Makefile @@ -22,31 +22,11 @@ PKG_CPE_ID:=cpe:/a:bzip:bzip2 HOST_BUILD_PARALLEL:=1 include $(INCLUDE_DIR)/host-build.mk +include $(INCLUDE_DIR)/cmake.mk HOSTCC := $(HOSTCC_NOCACHE) HOST_CFLAGS += $(HOST_FPIC) -HOST_MAKE_FLAGS+= \ - CFLAGS="$(HOST_CFLAGS)" \ - LDFLAGS="$(HOST_LDFLAGS)" \ - ENABLE_BIN_SHARED=1 \ - ENABLE_BIN_STATIC=0 \ - ENABLE_LIB_SHARED=1 \ - ENABLE_LIB_STATIC=1 \ - ENABLE_DEV=1 \ - ENABLE_DOCS=1 \ - ENABLE_TESTS=0 \ - PREFIX="$(HOST_BUILD_PREFIX)" - -define Host/Configure -endef - -define Host/Uninstall - $(call Host/Compile/Default,uninstall) - $(call Host/Compile/Default,clean) -endef - -define Host/Clean -endef +CMAKE_HOST_OPTIONS += -DENABLE_EXAMPLES=off $(eval $(call HostBuild)) diff --git a/tools/bzip2/patches/021-merge-and-improve-makefiles.patch b/tools/bzip2/patches/021-merge-and-improve-makefiles.patch deleted file mode 100644 index 9d98c34bdbb..00000000000 --- a/tools/bzip2/patches/021-merge-and-improve-makefiles.patch +++ /dev/null @@ -1,401 +0,0 @@ ---- a/bzip2.c -+++ b/bzip2.c -@@ -54,7 +54,7 @@ - #include - #include - #include --#include "bzlib.h" -+#include - - #define ERROR_IF_EOF(i) { if ((i) == EOF) ioError(); } - #define ERROR_IF_NOT_ZERO(i) { if ((i) != 0) ioError(); } ---- a/bzlib_private.h -+++ b/bzlib_private.h -@@ -30,7 +30,7 @@ - #include - #endif - --#include "bzlib.h" -+#include - - - ---- a/Makefile -+++ b/Makefile -@@ -21,11 +21,38 @@ - LDFLAGS= - - BIGFILES=-D_FILE_OFFSET_BITS=64 --CFLAGS=-Wall -Winline -O2 -g $(BIGFILES) -+CFLAGS_COMMON=-Wall -Winline -O2 -g $(BIGFILES) -I. -+CFLAGS_NOPIC=$(filter-out -O%,$(CFLAGS)) $(CFLAGS_COMMON) -+CFLAGS_PIC=$(filter-out -O%,$(CFLAGS)) -fpic -fPIC $(CFLAGS_COMMON) - - # Where you want it installed when you do 'make install' --PREFIX=/usr/local -- -+PREFIX?=/usr/local -+ENABLE_BIN_STATIC?=1 -+ENABLE_BIN_SHARED?=1 -+ENABLE_LIB_STATIC?=1 -+ENABLE_LIB_SHARED?=1 -+ENABLE_DEV?=1 -+ENABLE_DOCS?=1 -+ENABLE_TESTS?=1 -+ -+ifeq ($(ENABLE_BIN_STATIC),1) -+ ENABLE_BIN=1 -+ ifneq ($(ENABLE_LIB_STATIC),1) -+ ENABLE_LIB_STATIC=1 -+ endif -+endif -+ifeq ($(ENABLE_BIN_SHARED),1) -+ ENABLE_BIN=1 -+ ifneq ($(ENABLE_LIB_SHARED),1) -+ ENABLE_LIB_STATIC=1 -+ endif -+endif -+ifeq ($(ENABLE_LIB_STATIC),1) -+ ENABLE_LIB=1 -+endif -+ifeq ($(ENABLE_LIB_SHARED),1) -+ ENABLE_LIB=1 -+endif - - OBJS= blocksort.o \ - huffman.o \ -@@ -35,15 +62,38 @@ - decompress.o \ - bzlib.o - --all: libbz2.a bzip2 bzip2recover test -- --bzip2: libbz2.a bzip2.o -- $(CC) $(CFLAGS) $(LDFLAGS) -o bzip2 bzip2.o -L. -lbz2 -+TGTS_all:= -+TGTS_bzip2:=bzip2.o -+TGTS_check:= -+TGTS_install:= -+ifeq ($(ENABLE_LIB),1) -+ TGTS_all+=libbz2 -+ TGTS_bzip2+=libbz2 -+endif -+ifeq ($(ENABLE_BIN),1) -+ TGTS_all+=bzip2 bzip2recover -+ TGTS_install+=bzip2 bzip2recover -+endif -+ifeq ($(ENABLE_TESTS),1) -+ TGTS_all+=test -+ TGTS_check+=test -+endif -+ -+all: $(TGTS_all) -+ -+bzip2: $(TGTS_bzip2) -+ifeq ($(ENABLE_BIN_STATIC),1) -+ $(CC) $(CFLAGS_NOPIC) $(LDFLAGS) -o bzip2 bzip2.o -L. -lbz2 -+endif -+ifeq ($(ENABLE_BIN_SHARED),1) -+ $(CC) $(CFLAGS_PIC) -o bzip2-shared bzip2.o libbz2.so.1.0 -+endif - - bzip2recover: bzip2recover.o -- $(CC) $(CFLAGS) $(LDFLAGS) -o bzip2recover bzip2recover.o -+ $(CC) $(CFLAGS_NOPIC) $(LDFLAGS) -o bzip2recover bzip2recover.o - --libbz2.a: $(OBJS) -+libbz2: $(OBJS) -+ifeq ($(ENABLE_LIB_STATIC),1) - rm -f libbz2.a - $(AR) cq libbz2.a $(OBJS) - @if ( test -f $(RANLIB) -o -f /usr/bin/ranlib -o \ -@@ -51,8 +101,18 @@ - echo $(RANLIB) libbz2.a ; \ - $(RANLIB) libbz2.a ; \ - fi -+endif -+ifeq ($(ENABLE_LIB_SHARED),1) -+ $(CC) -shared -Wl,-soname -Wl,libbz2.so.1.0 $(LDFLAGS) -o libbz2.so.1.0.8 $(OBJS) -+ rm -f libbz2.so.1.0 -+ rm -f libbz2.so.1 -+ rm -f libbz2.so -+ ln -s libbz2.so.1.0.8 libbz2.so.1.0 -+ ln -s libbz2.so.1.0 libbz2.so.1 -+ ln -s libbz2.so.1 libbz2.so -+endif - --check: test -+check: $(TGTS_check) - test: bzip2 - @cat words1 - ./bzip2 -1 < sample1.ref > sample1.rb2 -@@ -69,69 +129,153 @@ - cmp sample3.tst sample3.ref - @cat words3 - --install: bzip2 bzip2recover -+install: $(TGTS_install) -+ifeq ($(ENABLE_BIN),1) - if ( test ! -d $(PREFIX)/bin ) ; then mkdir -p $(PREFIX)/bin ; fi -+endif -+ifeq ($(ENABLE_LIB),1) - if ( test ! -d $(PREFIX)/lib ) ; then mkdir -p $(PREFIX)/lib ; fi -+endif -+ifeq ($(ENABLE_DEV),1) -+ if ( test ! -d $(PREFIX)/include ) ; then mkdir -p $(PREFIX)/include ; fi -+endif -+ifeq ($(ENABLE_DOCS),1) - if ( test ! -d $(PREFIX)/man ) ; then mkdir -p $(PREFIX)/man ; fi - if ( test ! -d $(PREFIX)/man/man1 ) ; then mkdir -p $(PREFIX)/man/man1 ; fi -- if ( test ! -d $(PREFIX)/include ) ; then mkdir -p $(PREFIX)/include ; fi -+endif -+ifeq ($(ENABLE_BIN),1) -+ ifeq ($(ENABLE_BIN_STATIC),1) - cp -f bzip2 $(PREFIX)/bin/bzip2 -- cp -f bzip2 $(PREFIX)/bin/bunzip2 -- cp -f bzip2 $(PREFIX)/bin/bzcat -+ chmod a+rx $(PREFIX)/bin/bzip2 -+ endif -+ ifeq ($(ENABLE_BIN_SHARED),1) -+ ifeq ($(ENABLE_BIN_STATIC),1) -+ cp -f bzip2-shared $(PREFIX)/bin/bzip2-shared -+ chmod a+rx $(PREFIX)/bin/bzip2-shared -+ else -+ cp -f bzip2-shared $(PREFIX)/bin/bzip2 -+ endif -+ endif -+ rm -f $(PREFIX)/bin/bunzip2 -+ rm -f $(PREFIX)/bin/bzcat -+ ( cd $(PREFIX)/bin && ln -s bzip2 bunzip2 ) -+ ( cd $(PREFIX)/bin && ln -s bzip2 bzcat ) -+ rm -f $(PREFIX)/bin/bunzip2-shared -+ rm -f $(PREFIX)/bin/bzcat-shared -+ ifeq ($(ENABLE_BIN_SHARED),1) -+ ifeq ($(ENABLE_BIN_STATIC),1) -+ ( cd $(PREFIX)/bin && ln -s bzip2-shared bunzip2-shared ) -+ ( cd $(PREFIX)/bin && ln -s bzip2-shared bzcat-shared ) -+ endif -+ endif - cp -f bzip2recover $(PREFIX)/bin/bzip2recover -- chmod a+x $(PREFIX)/bin/bzip2 -- chmod a+x $(PREFIX)/bin/bunzip2 -- chmod a+x $(PREFIX)/bin/bzcat -- chmod a+x $(PREFIX)/bin/bzip2recover -- cp -f bzip2.1 $(PREFIX)/man/man1 -- chmod a+r $(PREFIX)/man/man1/bzip2.1 -- cp -f bzlib.h $(PREFIX)/include -- chmod a+r $(PREFIX)/include/bzlib.h -- cp -f libbz2.a $(PREFIX)/lib -- chmod a+r $(PREFIX)/lib/libbz2.a -+ chmod a+rx $(PREFIX)/bin/bzip2recover - cp -f bzgrep $(PREFIX)/bin/bzgrep -- ln -s -f $(PREFIX)/bin/bzgrep $(PREFIX)/bin/bzegrep -- ln -s -f $(PREFIX)/bin/bzgrep $(PREFIX)/bin/bzfgrep -- chmod a+x $(PREFIX)/bin/bzgrep -+ chmod a+rx $(PREFIX)/bin/bzgrep -+ rm -f $(PREFIX)/bin/bzegrep -+ rm -f $(PREFIX)/bin/bzfgrep -+ ( cd $(PREFIX)/bin && ln -s bzgrep bzegrep ) -+ ( cd $(PREFIX)/bin && ln -s bzgrep bzfgrep ) - cp -f bzmore $(PREFIX)/bin/bzmore -- ln -s -f $(PREFIX)/bin/bzmore $(PREFIX)/bin/bzless -- chmod a+x $(PREFIX)/bin/bzmore -+ chmod a+rx $(PREFIX)/bin/bzmore -+ rm -f $(PREFIX)/bin/bzless -+ ( cd $(PREFIX)/bin && ln -s bzmore bzless ) -+ rm -f $(PREFIX)/bin/bzcmp - cp -f bzdiff $(PREFIX)/bin/bzdiff -- ln -s -f $(PREFIX)/bin/bzdiff $(PREFIX)/bin/bzcmp -- chmod a+x $(PREFIX)/bin/bzdiff -- cp -f bzgrep.1 bzmore.1 bzdiff.1 $(PREFIX)/man/man1 -- chmod a+r $(PREFIX)/man/man1/bzgrep.1 -- chmod a+r $(PREFIX)/man/man1/bzmore.1 -- chmod a+r $(PREFIX)/man/man1/bzdiff.1 -+ chmod a+rx $(PREFIX)/bin/bzdiff -+ ( cd $(PREFIX)/bin && ln -s bzdiff bzcmp ) -+endif -+ifeq ($(ENABLE_DEV),1) -+ cp -f bzlib.h $(PREFIX)/include -+ chmod a+r $(PREFIX)/include/bzlib.h -+endif -+ifeq ($(ENABLE_DOCS),1) -+ cp -f bzip2.1 bzgrep.1 bzmore.1 bzdiff.1 $(PREFIX)/man/man1 - echo ".so man1/bzgrep.1" > $(PREFIX)/man/man1/bzegrep.1 - echo ".so man1/bzgrep.1" > $(PREFIX)/man/man1/bzfgrep.1 - echo ".so man1/bzmore.1" > $(PREFIX)/man/man1/bzless.1 - echo ".so man1/bzdiff.1" > $(PREFIX)/man/man1/bzcmp.1 -+ chmod a+r $(PREFIX)/man/man1/bzip2.1 -+ chmod a+r $(PREFIX)/man/man1/bzgrep.1 -+ chmod a+r $(PREFIX)/man/man1/bzmore.1 -+ chmod a+r $(PREFIX)/man/man1/bzdiff.1 -+ chmod a+r $(PREFIX)/man/man1/bzegrep.1 -+ chmod a+r $(PREFIX)/man/man1/bzfgrep.1 -+ chmod a+r $(PREFIX)/man/man1/bzless.1 -+ chmod a+r $(PREFIX)/man/man1/bzcmp.1 -+endif -+ifeq ($(ENABLE_LIB_SHARED),1) -+ cp -f libbz2.so.1.0.8 $(PREFIX)/lib -+ chmod a+r $(PREFIX)/lib/libbz2.so.1.0.8 -+ rm -f $(PREFIX)/lib/libbz2.so.1.0 -+ rm -f $(PREFIX)/lib/libbz2.so.1 -+ rm -f $(PREFIX)/lib/libbz2.so -+ ( cd $(PREFIX)/lib && ln -s libbz2.so.1.0.8 libbz2.so.1.0 ) -+ ( cd $(PREFIX)/lib && ln -s libbz2.so.1.0 libbz2.so.1 ) -+ ( cd $(PREFIX)/lib && ln -s libbz2.so.1 libbz2.so ) -+endif -+ifeq ($(ENABLE_LIB_STATIC),1) -+ cp -f libbz2.a $(PREFIX)/lib -+ chmod a+r $(PREFIX)/lib/libbz2.a -+endif -+ -+uninstall: -+ rm -f $(PREFIX)/bin/bzip2 -+ rm -f $(PREFIX)/bin/bzip2-shared -+ rm -f $(PREFIX)/bin/bunzip2 -+ rm -f $(PREFIX)/bin/bzcat -+ rm -f $(PREFIX)/bin/bunzip2-shared -+ rm -f $(PREFIX)/bin/bzcat-shared -+ rm -f $(PREFIX)/bin/bzip2recover -+ rm -f $(PREFIX)/bin/bzgrep -+ rm -f $(PREFIX)/bin/bzegrep -+ rm -f $(PREFIX)/bin/bzfgrep -+ rm -f $(PREFIX)/bin/bzmore -+ rm -f $(PREFIX)/bin/bzless -+ rm -f $(PREFIX)/bin/bzdiff -+ rm -f $(PREFIX)/bin/bzcmp -+ rm -f $(PREFIX)/include/bzlib.h -+ rm -f $(PREFIX)/lib/libbz2.so.1.0.8 -+ rm -f $(PREFIX)/lib/libbz2.so.1.0 -+ rm -f $(PREFIX)/lib/libbz2.so.1 -+ rm -f $(PREFIX)/lib/libbz2.so -+ rm -f $(PREFIX)/lib/libbz2.a -+ rm -f $(PREFIX)/man/man1/bzip2.1 -+ rm -f $(PREFIX)/man/man1/bzgrep.1 -+ rm -f $(PREFIX)/man/man1/bzmore.1 -+ rm -f $(PREFIX)/man/man1/bzdiff.1 -+ rm -f $(PREFIX)/man/man1/bzegrep.1 -+ rm -f $(PREFIX)/man/man1/bzfgrep.1 -+ rm -f $(PREFIX)/man/man1/bzless.1 -+ rm -f $(PREFIX)/man/man1/bzcmp.1 -+ (rmdir $(PREFIX)/bin $(PREFIX)/include $(PREFIX)/lib $(PREFIX)/man/man1 $(PREFIX)/man || true ) 2> /dev/null - - clean: -- rm -f *.o libbz2.a bzip2 bzip2recover \ -+ rm -f $(OBJS) bzip2.o \ -+ libbz2.so.1.0.8 libbz2.so.1.0 libbz2.so.1 libbz2.so \ -+ libbz2.a bzip2 bzip2-shared bzip2recover \ - sample1.rb2 sample2.rb2 sample3.rb2 \ - sample1.tst sample2.tst sample3.tst - - blocksort.o: blocksort.c - @cat words0 -- $(CC) $(CFLAGS) -c blocksort.c -+ $(CC) $(CFLAGS_NOPIC) -c blocksort.c - huffman.o: huffman.c -- $(CC) $(CFLAGS) -c huffman.c -+ $(CC) $(CFLAGS_NOPIC) -c huffman.c - crctable.o: crctable.c -- $(CC) $(CFLAGS) -c crctable.c -+ $(CC) $(CFLAGS_NOPIC) -c crctable.c - randtable.o: randtable.c -- $(CC) $(CFLAGS) -c randtable.c -+ $(CC) $(CFLAGS_NOPIC) -c randtable.c - compress.o: compress.c -- $(CC) $(CFLAGS) -c compress.c -+ $(CC) $(CFLAGS_NOPIC) -c compress.c - decompress.o: decompress.c -- $(CC) $(CFLAGS) -c decompress.c -+ $(CC) $(CFLAGS_NOPIC) -c decompress.c - bzlib.o: bzlib.c -- $(CC) $(CFLAGS) -c bzlib.c -+ $(CC) $(CFLAGS_NOPIC) -c bzlib.c - bzip2.o: bzip2.c -- $(CC) $(CFLAGS) -c bzip2.c -+ $(CC) $(CFLAGS_NOPIC) -c bzip2.c - bzip2recover.o: bzip2recover.c -- $(CC) $(CFLAGS) -c bzip2recover.c -+ $(CC) $(CFLAGS_NOPIC) -c bzip2recover.c - - - distclean: clean -@@ -189,7 +333,6 @@ - $(DISTNAME)/bzmore.1 \ - $(DISTNAME)/bzgrep \ - $(DISTNAME)/bzgrep.1 \ -- $(DISTNAME)/Makefile-libbz2_so \ - $(DISTNAME)/bz-common.xsl \ - $(DISTNAME)/bz-fo.xsl \ - $(DISTNAME)/bz-html.xsl \ ---- a/Makefile-libbz2_so -+++ b/Makefile-libbz2_so -@@ -1,59 +0,0 @@ -- --# This Makefile builds a shared version of the library, --# libbz2.so.1.0.8, with soname libbz2.so.1.0, --# at least on x86-Linux (RedHat 7.2), --# with gcc-2.96 20000731 (Red Hat Linux 7.1 2.96-98). --# Please see the README file for some important info --# about building the library like this. -- --# ------------------------------------------------------------------ --# This file is part of bzip2/libbzip2, a program and library for --# lossless, block-sorting data compression. --# --# bzip2/libbzip2 version 1.0.8 of 13 July 2019 --# Copyright (C) 1996-2019 Julian Seward --# --# Please read the WARNING, DISCLAIMER and PATENTS sections in the --# README file. --# --# This program is released under the terms of the license contained --# in the file LICENSE. --# ------------------------------------------------------------------ -- -- --SHELL=/bin/sh --CC=gcc --BIGFILES=-D_FILE_OFFSET_BITS=64 --CFLAGS=-fpic -fPIC -Wall -Winline -O2 -g $(BIGFILES) -- --OBJS= blocksort.o \ -- huffman.o \ -- crctable.o \ -- randtable.o \ -- compress.o \ -- decompress.o \ -- bzlib.o -- --all: $(OBJS) -- $(CC) -shared -Wl,-soname -Wl,libbz2.so.1.0 -o libbz2.so.1.0.8 $(OBJS) -- $(CC) $(CFLAGS) -o bzip2-shared bzip2.c libbz2.so.1.0.8 -- rm -f libbz2.so.1.0 -- ln -s libbz2.so.1.0.8 libbz2.so.1.0 -- --clean: -- rm -f $(OBJS) bzip2.o libbz2.so.1.0.8 libbz2.so.1.0 bzip2-shared -- --blocksort.o: blocksort.c -- $(CC) $(CFLAGS) -c blocksort.c --huffman.o: huffman.c -- $(CC) $(CFLAGS) -c huffman.c --crctable.o: crctable.c -- $(CC) $(CFLAGS) -c crctable.c --randtable.o: randtable.c -- $(CC) $(CFLAGS) -c randtable.c --compress.o: compress.c -- $(CC) $(CFLAGS) -c compress.c --decompress.o: decompress.c -- $(CC) $(CFLAGS) -c decompress.c --bzlib.o: bzlib.c -- $(CC) $(CFLAGS) -c bzlib.c ---- a/unzcrash.c -+++ b/unzcrash.c -@@ -30,7 +30,7 @@ - - #include - #include --#include "bzlib.h" -+#include - - #define M_BLOCK 1000000 - diff --git a/tools/bzip2/patches/100-cmake.patch b/tools/bzip2/patches/100-cmake.patch new file mode 100644 index 00000000000..0ed37b2e44c --- /dev/null +++ b/tools/bzip2/patches/100-cmake.patch @@ -0,0 +1,382 @@ +--- /dev/null ++++ b/CMakeLists.txt +@@ -0,0 +1,354 @@ ++cmake_minimum_required(VERSION 3.12) ++ ++project(bzip2 ++ VERSION 1.0.8 ++ DESCRIPTION "This Bzip2/libbz2 a program and library for lossless block-sorting data compression." ++ LANGUAGES C) ++ ++# See versioning rule: ++# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html ++# ++# KEEP THESE IN SYNC WITH meson.build OR STUFF WILL BREAK! ++set(LT_CURRENT 1) ++set(LT_REVISION 8) ++set(LT_AGE 0) ++ ++set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake ${CMAKE_MODULE_PATH}) ++ ++include_directories(${PROJECT_BINARY_DIR}) ++ ++math(EXPR LT_SOVERSION "${LT_CURRENT} - ${LT_AGE}") ++set(LT_VERSION "${LT_SOVERSION}.${LT_AGE}.${LT_REVISION}") ++set(PACKAGE_VERSION ${PROJECT_VERSION}) ++ ++set(ENABLE_APP_DEFAULT ON) ++set(ENABLE_EXAMPLES_DEFAULT OFF) ++set(ENABLE_DOCS_DEFAULT OFF) ++include(CMakeOptions.txt) ++ ++if(ENABLE_LIB_ONLY AND (ENABLE_APP OR ENABLE_EXAMPLES)) ++ # Remember when disabled options are disabled for later diagnostics. ++ set(ENABLE_LIB_ONLY_DISABLED_OTHERS 1) ++else() ++ set(ENABLE_LIB_ONLY_DISABLED_OTHERS 0) ++endif() ++if(ENABLE_LIB_ONLY) ++ set(ENABLE_APP OFF) ++ set(ENABLE_EXAMPLES OFF) ++endif() ++ ++# Do not disable assertions based on CMAKE_BUILD_TYPE. ++foreach(_build_type Release MinSizeRel RelWithDebInfo) ++ foreach(_lang C) ++ string(TOUPPER CMAKE_${_lang}_FLAGS_${_build_type} _var) ++ string(REGEX REPLACE "(^|)[/-]D *NDEBUG($|)" " " ${_var} "${${_var}}") ++ endforeach() ++endforeach() ++ ++# Support the latest c++ standard available. ++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() ++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() ++ ++# Install a symlink of script to the "bin" directory. ++# Not intended for use on Windows. ++function(install_script_symlink original symlink) ++ add_custom_command(OUTPUT ${symlink} ++ COMMAND ${CMAKE_COMMAND} -E create_symlink ${original} ${symlink} ++ DEPENDS ${original} ++ COMMENT "Generating symbolic link ${symlink} of ${original}") ++ add_custom_target(${symlink}_tgt ALL DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${symlink}) ++ install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/${symlink} DESTINATION ${CMAKE_INSTALL_BINDIR}) ++endfunction() ++ ++# Install a symlink of binary target to the "bin" directory. ++# On Windows, it will be a copy instead of a symlink. ++function(install_target_symlink original symlink) ++ if(WIN32) ++ set(op copy) ++ set(symlink "${symlink}.exe") ++ else() ++ set(op create_symlink) ++ endif() ++ add_custom_command(TARGET ${original} POST_BUILD ++ COMMAND ${CMAKE_COMMAND} -E ${op} $ ${symlink} ++ WORKING_DIRECTORY $ ++ COMMENT "Generating symbolic link (or copy) ${symlink} of ${original}") ++ install(PROGRAMS $/${symlink} DESTINATION ${CMAKE_INSTALL_BINDIR}) ++endfunction() ++ ++include(GNUInstallDirs) ++ ++# 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(NOT SIZEOF_SSIZE_T) ++ # 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() ++ ++include(CheckStructHasMember) ++check_struct_has_member("struct tm" tm_gmtoff time.h HAVE_STRUCT_TM_TM_GMTOFF) ++ ++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) ++if(CMAKE_C_COMPILER_ID MATCHES "MSVC") ++ if(ENABLE_WERROR) ++ set(WARNCFLAGS /WX) ++ endif() ++else() ++ if(ENABLE_WERROR) ++ extract_valid_c_flags(WARNCFLAGS -Werror) ++ endif() ++ ++ # For C compiler ++ # Please keep this list in sync with meson.build ++ 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 ++ # -Wpadded # Not used because we cannot change public structs ++ -Wsign-conversion ++ # -Wswitch-enum # Not used because this basically disallows default case ++ -Wunreachable-code-break ++ -Wunused-macros ++ -Wunused-parameter ++ -Wredundant-decls ++ -Wheader-guard ++ -Wno-format-nonliteral # This is required because we pass format string as "const char*. ++ ) ++endif() ++ ++if(ENABLE_DEBUG) ++ set(DEBUGBUILD 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}) ++# bzip2.pc (pkg-config file) ++set(prefix ${CMAKE_INSTALL_PREFIX}) ++set(exec_prefix ${CMAKE_INSTALL_PREFIX}) ++set(bindir ${CMAKE_INSTALL_FULL_BINDIR}) ++set(sbindir ${CMAKE_INSTALL_FULL_SBINDIR}) ++set(libdir ${CMAKE_INSTALL_FULL_LIBDIR}) ++set(includedir ${CMAKE_INSTALL_FULL_INCLUDEDIR}) ++set(VERSION ${PACKAGE_VERSION}) ++ ++# ++# The build targets. ++# In a larger project, the following would be in subdirectories and ++# These targets would be included with `add_subdirectory()` ++# ++set(BZ2_SOURCES ++ blocksort.c ++ huffman.c ++ crctable.c ++ randtable.c ++ compress.c ++ decompress.c ++ bzlib.c) ++ ++# The bz2 OBJECT-library, required for bzip2, bzip2recover. ++add_library(bz2_ObjLib OBJECT) ++target_sources(bz2_ObjLib ++ PRIVATE ${BZ2_SOURCES} ++ PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/bzlib_private.h ++ INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/bzlib.h) ++ ++if(ENABLE_SHARED_LIB) ++ # The libbz2 shared library. ++ add_library(bz2 SHARED ${BZ2_RES}) ++ target_sources(bz2 ++ PRIVATE ${BZ2_SOURCES} ++ ${CMAKE_CURRENT_SOURCE_DIR}/libbz2.def ++ PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/bzlib_private.h ++ INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/bzlib.h) ++ # Always use '-fPIC'/'-fPIE' option for shared libraries. ++ set_property(TARGET bz2 PROPERTY POSITION_INDEPENDENT_CODE ON) ++ set_target_properties(bz2 PROPERTIES ++ COMPILE_FLAGS "${WARNCFLAGS}" ++ VERSION ${LT_VERSION} SOVERSION ${LT_SOVERSION}) ++ install(TARGETS bz2 DESTINATION ${CMAKE_INSTALL_LIBDIR}) ++ install(FILES bzlib.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}) ++ ++ if(USE_OLD_SONAME) ++ # Hack to support the old libbz2.so.1.0 version by including an extra copy. ++ # Technically the old SONAME is not libtool compatible. ++ # This hack is to support binary compatibility with libbz2 in some distro packages. ++ if(UNIX AND NOT APPLE) ++ add_library(bz2_old_soname SHARED ${BZ2_RES}) ++ target_sources(bz2_old_soname ++ PRIVATE ${BZ2_SOURCES} ++ ${CMAKE_CURRENT_SOURCE_DIR}/libbz2.def ++ PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/bzlib_private.h ++ INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/bzlib.h ++ ) ++ set_target_properties(bz2_old_soname PROPERTIES ++ COMPILE_FLAGS "${WARNCFLAGS}" ++ VERSION ${LT_SOVERSION}.${LT_AGE} SOVERSION ${LT_SOVERSION}.${LT_AGE} ++ OUTPUT_NAME bz2 ++ ) ++ install(TARGETS bz2_old_soname DESTINATION ${CMAKE_INSTALL_LIBDIR}) ++ endif() ++ endif() ++endif() ++ ++if(ENABLE_STATIC_LIB) ++ # The libbz2 static library. ++ add_library(bz2_static STATIC) ++ target_sources(bz2_static ++ PRIVATE ${BZ2_SOURCES} ++ PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/bzlib_private.h ++ INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/bzlib.h) ++ set_target_properties(bz2_static PROPERTIES ++ COMPILE_FLAGS "${WARNCFLAGS}" ++ VERSION ${LT_VERSION} ++ SOVERSION ${LT_SOVERSION} ++ ARCHIVE_OUTPUT_NAME bz2_static) ++ target_compile_definitions(bz2_static PUBLIC BZ2_STATICLIB) ++ install(TARGETS bz2_static DESTINATION ${CMAKE_INSTALL_LIBDIR}) ++ install(FILES bzlib.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}) ++endif() ++ ++if(ENABLE_APP) ++ # The bzip2 executable. ++ add_executable(bzip2) ++ target_sources(bzip2 ++ PRIVATE bzip2.c) ++ target_link_libraries(bzip2 ++ PRIVATE bz2_ObjLib) ++ if(WIN32) ++ target_compile_definitions(bzip2 PUBLIC BZ_LCCWIN32 BZ_UNIX=0) ++ else() ++ target_compile_definitions(bzip2 PUBLIC BZ_LCCWIN32=0 BZ_UNIX) ++ endif() ++ install(TARGETS bzip2 DESTINATION ${CMAKE_INSTALL_BINDIR}) ++ ++ # Create bzip2 copies bzcat and bunzip. ++ # The default behavior is altered in bzip2.c code by checking the program name. ++ install_target_symlink(bzip2 bzcat) ++ install_target_symlink(bzip2 bunzip) ++ ++ # The bzip2recover executable. ++ add_executable(bzip2recover) ++ target_sources(bzip2recover ++ PRIVATE bzip2recover.c) ++ target_link_libraries(bzip2recover ++ PRIVATE bz2_ObjLib) ++ if(WIN32) ++ target_compile_definitions(bzip2recover PUBLIC BZ_LCCWIN32 BZ_UNIX=0) ++ else() ++ target_compile_definitions(bzip2recover PUBLIC BZ_LCCWIN32=0 BZ_UNIX) ++ endif() ++ install(TARGETS bzip2recover DESTINATION ${CMAKE_INSTALL_BINDIR}) ++ ++ if(ENABLE_EXAMPLES) ++ if(ENABLE_SHARED_LIB) ++ # The dlltest executable. ++ add_executable(dlltest) ++ target_sources(dlltest ++ PRIVATE dlltest.c) ++ target_link_libraries(dlltest bz2) ++ install(TARGETS dlltest DESTINATION ${CMAKE_INSTALL_BINDIR}) ++ endif() ++ endif() ++ ++ if(NOT WIN32) ++ # Install shell scripts, and renamed copies. ++ install(PROGRAMS bzdiff bzgrep bzmore ++ DESTINATION ${CMAKE_INSTALL_BINDIR}) ++ ++ install_script_symlink(bzdiff bzcmp) ++ ++ install_script_symlink(bzgrep bzegrep) ++ install_script_symlink(bzgrep bzfgrep) ++ ++ install_script_symlink(bzmore bzless) ++ endif() ++ ++endif() +--- /dev/null ++++ b/CMakeOptions.txt +@@ -0,0 +1,22 @@ ++# Features that can be enabled for cmake (see CMakeLists.txt) ++ ++option(ENABLE_WERROR "Turn on compile time warnings") ++ ++option(ENABLE_DEBUG "Turn on debug output") ++ ++option(ENABLE_APP "Build applications (bzip2, and bzip2recover)" ++ ${ENABLE_APP_DEFAULT}) ++ ++option(ENABLE_DOCS "Generate documentation" ++ ${ENABLE_DOCS_DEFAULT}) ++ ++option(ENABLE_EXAMPLES "Build examples" ++ ${ENABLE_EXAMPLES_DEFAULT}) ++ ++option(ENABLE_LIB_ONLY "Build libbz2 only. This is a short hand for -DENABLE_APP=0 -DENABLE_EXAMPLES=0") ++ ++option(ENABLE_STATIC_LIB "Build libbz2 in static mode also") ++ ++option(ENABLE_SHARED_LIB "Build libbz2 as a shared library" ON) ++ ++option(USE_OLD_SONAME "Use libbz2.so.1.0 for compatibility with old Makefiles" OFF)