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conanfile.py
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conanfile.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import os
import stat
from conans import ConanFile, tools, CMake, AutoToolsBuildEnvironment
from conans.model.version import Version
class ZlibConan(ConanFile):
name = "zlib-dl"
library_name = 'zlib'
version = "1.2.13"
url = "https://github.com/datalogics/zlib-dl"
homepage = "https://zlib.net"
author = "Conan Community"
license = "Zlib"
description = ("A Massively Spiffy Yet Delicately Unobtrusive Compression Library "
"(Also Free, Not to Mention Unencumbered by Patents)")
settings = "os", "arch", "compiler", "build_type"
options = {"shared": [True, False], "fPIC": [True, False], "minizip": [True, False]}
default_options = "shared=False", "fPIC=True", "minizip=False"
exports = "LICENSE"
exports_sources = ["CMakeLists.txt", "CMakeLists_minizip.txt", "minizip.patch"]
generators = "cmake"
_source_subfolder = "source_subfolder"
def config_options(self):
if self.settings.os == "Windows":
del self.options.fPIC
def configure(self):
del self.settings.compiler.libcxx
def source(self):
tools.get("{}/{}-{}.tar.gz".format(self.homepage, self.library_name, self.version))
os.rename("{}-{}".format(self.library_name, self.version), self._source_subfolder)
if not tools.os_info.is_windows:
configure_file = os.path.join(self._source_subfolder, "configure")
st = os.stat(configure_file)
os.chmod(configure_file, st.st_mode | stat.S_IEXEC)
tools.patch(patch_file="minizip.patch", base_path=self._source_subfolder)
def build(self):
self._build_zlib()
if self.options.minizip:
self._build_minizip()
def _build_zlib(self):
with tools.chdir(self._source_subfolder):
for filename in ['zconf.h', 'zconf.h.cmakein', 'zconf.h.in']:
tools.replace_in_file(filename,
'#ifdef HAVE_UNISTD_H /* may be set to #if 1 by ./configure */',
'#if defined(HAVE_UNISTD_H) && (1-HAVE_UNISTD_H-1 != 0)')
tools.replace_in_file(filename,
'#ifdef HAVE_STDARG_H /* may be set to #if 1 by ./configure */',
'#if defined(HAVE_STDARG_H) && (1-HAVE_STDARG_H-1 != 0)')
tools.mkdir("_build")
with tools.chdir("_build"):
if not tools.os_info.is_windows:
env_build = AutoToolsBuildEnvironment(self)
if self.settings.arch in ["x86", "x86_64"] and self.settings.compiler in ["apple-clang", "clang", "gcc"]:
env_build.flags.append('-mstackrealign')
if self.settings.os == "Macos":
old_str = '-install_name $libdir/$SHAREDLIBM'
new_str = '-install_name $SHAREDLIBM'
tools.replace_in_file("../configure", old_str, new_str)
# DL flags
xcrun = tools.XCRun(self.settings)
env_build.flags.extend([
'-fpascal-strings',
'-fvisibility=hidden',
'-fexceptions',
'-isysroot',
xcrun.sdk_path,
'-arch i386',
'-arch x86_64'
])
if self.settings.os.version:
env_build.flags.extend(['-mmacosx-version-min={}'.format(self.settings.os.version)])
if self.settings.os == 'Linux':
if self.settings.build_type == 'Release':
env_build.flags.extend([
'-fstack-protector-all',
'-Wstack-protector'
])
env_build.defines.append('_FORTIFY_SOURCE=2')
if self.settings.arch == 'x86':
env_build.flags.extend([
'-mtune=i686',
'-march=pentium4'
])
# https://github.com/madler/zlib/issues/268
tools.replace_in_file('../gzguts.h',
'#if defined(_WIN32) || defined(__CYGWIN__)',
'#if defined(_WIN32) || defined(__MINGW32__)')
if self.settings.os == "Windows": # Cross building to Linux
tools.replace_in_file("../configure", 'LDSHAREDLIBC="${LDSHAREDLIBC--lc}"', 'LDSHAREDLIBC=""')
# Zlib configure doesnt allow this parameters
if self.settings.os == "iOS":
tools.replace_in_file("../gzguts.h", '#ifdef _LARGEFILE64_SOURCE', '#include <unistd.h>\n\n#ifdef _LARGEFILE64_SOURCE')
# configure passes CFLAGS to linker, should be LDFLAGS
tools.replace_in_file("../configure", "$LDSHARED $SFLAGS", "$LDSHARED $LDFLAGS")
# same thing in Makefile.in, when building tests/example executables
tools.replace_in_file("../Makefile.in", "$(CC) $(CFLAGS) -o", "$(CC) $(LDFLAGS) -o")
env_build_vars = env_build.vars
if tools.is_apple_os(self.settings.os):
env_build_vars['CC'] = 'clang'
# force macOS ranlib because ranlib from binutils produced malformed ar archives
env_build_vars['RANLIB'] = tools.XCRun(self.settings).ranlib
if self.settings.os == "Windows" and tools.os_info.is_linux:
# we need to build only libraries without test example and minigzip
if self.options.shared:
make_target = "zlib1.dll"
else:
make_target = "libz.a"
# Let our profile to declare what is needed.
tools.replace_in_file("../win32/Makefile.gcc", 'LDFLAGS = $(LOC)', '')
tools.replace_in_file("../win32/Makefile.gcc", 'AS = $(CC)', '')
tools.replace_in_file("../win32/Makefile.gcc", 'AR = $(PREFIX)ar', '')
tools.replace_in_file("../win32/Makefile.gcc", 'CC = $(PREFIX)gcc', '')
tools.replace_in_file("../win32/Makefile.gcc", 'RC = $(PREFIX)windres', '')
self.run("cd .. && make -f win32/Makefile.gcc %s" % make_target)
else:
# we need to build only libraries without test example and minigzip
if self.options.shared:
if self.settings.os == "Macos":
make_target = "libz.%s.dylib" % self.version
else:
make_target = "libz.so.%s" % self.version
else:
make_target = "libz.a"
env_build.configure("../", build=False, host=False, target=False, vars=env_build_vars)
env_build.make(target=make_target)
else:
cmake = CMake(self)
cmake.configure(build_dir=".")
# we need to build only libraries without test example/example64 and minigzip/minigzip64
if self.options.shared:
make_target = "zlib"
else:
make_target = "zlibstatic"
cmake.build(build_dir=".", target=make_target)
def _build_minizip(self):
minizip_dir = os.path.join(self._source_subfolder, 'contrib', 'minizip')
os.rename("CMakeLists_minizip.txt", os.path.join(minizip_dir, 'CMakeLists.txt'))
with tools.chdir(minizip_dir):
cmake = CMake(self)
cmake.configure(source_folder=minizip_dir)
cmake.build()
cmake.install()
def package(self):
self.output.warn("local cache: %s" % self.in_local_cache)
self.output.warn("develop: %s" % self.develop)
# Extract the License/s from the header to a file
with tools.chdir(os.path.join(self.source_folder, self._source_subfolder)):
tmp = tools.load("zlib.h")
license_contents = tmp[2:tmp.find("*/", 1)]
tools.save("LICENSE", license_contents)
# Copy the license files
self.copy("LICENSE", src=self._source_subfolder, dst="licenses")
# Copy pc file
self.copy("*.pc", dst="", keep_path=False)
# Copy headers
for header in ["*zlib.h", "*zconf.h"]:
self.copy(pattern=header, dst="include", src=self._source_subfolder, keep_path=False)
self.copy(pattern=header, dst="include", src="_build", keep_path=False)
# Copying static and dynamic libs
build_dir = os.path.join(self._source_subfolder, "_build")
lib_path = os.path.join(self.package_folder, "lib")
suffix = "d" if self.settings.build_type == "Debug" else ""
if self.settings.os == "Windows":
if self.options.shared:
build_dir = os.path.join(self._source_subfolder, "_build")
self.copy(pattern="*.dll", dst="bin", src=build_dir, keep_path=False)
build_dir = os.path.join(self._source_subfolder, "_build/lib")
self.copy(pattern="*zlibd.lib", dst="lib", src=build_dir, keep_path=False)
self.copy(pattern="*zlib.lib", dst="lib", src=build_dir, keep_path=False)
self.copy(pattern="*zlib.dll.a", dst="lib", src=build_dir, keep_path=False)
if tools.os_info.is_linux:
self.copy(pattern="*libz.dll.a", dst="lib", src=self._source_subfolder)
if self.settings.compiler == "Visual Studio":
current_lib = os.path.join(lib_path, "zlib%s.lib" % suffix)
os.rename(current_lib, os.path.join(lib_path, "zlib.lib"))
else:
build_dir = os.path.join(self._source_subfolder, "_build/lib")
if self.settings.os == "Windows":
if tools.os_info.is_windows:
# MinGW
self.copy(pattern="libzlibstaticd.a", dst="lib", src=build_dir, keep_path=False)
self.copy(pattern="libzlibstatic.a", dst="lib", src=build_dir, keep_path=False)
# Visual Studio
self.copy(pattern="zlibstaticd.lib", dst="lib", src=build_dir, keep_path=False)
self.copy(pattern="zlibstatic.lib", dst="lib", src=build_dir, keep_path=False)
elif not tools.os_info.is_linux:
# MSYS/Cygwin build
self.copy(pattern="*libz.a", dst="lib", src=self._source_subfolder, keep_path=False)
if tools.os_info.is_linux:
self.copy(pattern="libz.a", dst="lib", src=self._source_subfolder, keep_path=False)
if self.settings.compiler == "Visual Studio":
current_lib = os.path.join(lib_path, "zlibstatic%s.lib" % suffix)
os.rename(current_lib, os.path.join(lib_path, "zlib.lib"))
elif self.settings.compiler == "gcc":
if tools.os_info.is_windows:
current_lib = os.path.join(lib_path, "libzlibstatic.a")
os.rename(current_lib, os.path.join(lib_path, "libzlib.a"))
else:
if self.options.shared:
if self.settings.os == "Macos":
self.copy(pattern="*.dylib", dst="lib", src=build_dir, keep_path=False, symlinks=True)
else:
self.copy(pattern="*.so*", dst="lib", src=build_dir, keep_path=False, symlinks=True)
else:
self.copy(pattern="*.a", dst="lib", src=build_dir, keep_path=False)
def package_info(self):
if self.options.minizip:
self.cpp_info.libs.append('minizip')
if self.options.shared:
self.cpp_info.defines.append('MINIZIP_DLL')
if self.settings.os == "Windows" and not tools.os_info.is_linux:
if tools.os_info.is_windows:
self.cpp_info.libs.append('zlib')
else:
self.cpp_info.libs.append('z') # MSYS/Cygwin builds
else:
self.cpp_info.libs.append('z')
def package_id(self):
if self.settings.os == 'Macos':
os_version = Version(str(self.settings.os.version or "10.7"))
if os_version >= "10.7":
self.info.settings.os.version = "macOS 10.7 and up"
self.info.settings.arch = 'Universal'