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# Phusion Passenger - https://www.phusionpassenger.com/ # Copyright (c) 2010-2025 Asynchronous B.V. # # "Passenger", "Phusion Passenger" and "Union Station" are registered # trademarks of Asynchronous B.V. # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to deal # in the Software without restriction, including without limitation the rights # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN # THE SOFTWARE. PhusionPassenger.require_passenger_lib 'platform_info' PhusionPassenger.require_passenger_lib 'platform_info/compiler' PhusionPassenger.require_passenger_lib 'platform_info/operating_system' module PhusionPassenger module PlatformInfo # Extra flags that should always be passed to the C compiler # when linking, to be included last in the command string. def self.portability_c_ldflags return portability_c_or_cxx_ldflags(:c) end memoize :portability_c_ldflags # Extra flags that should always be passed to the C++ compiler # when linking, to be included last in the command string. def self.portability_cxx_ldflags return portability_c_or_cxx_ldflags(:cxx) end memoize :portability_cxx_ldflags # Extra compiler flags that should always be passed to the C compiler, # last in the command string. def self.default_extra_cflags return default_extra_c_or_cxxflags(:cc) end memoize :default_extra_cflags, true # Extra compiler flags that should always be passed to the C++ compiler, # last in the command string. def self.default_extra_cxxflags return default_extra_c_or_cxxflags(:cxx) end memoize :default_extra_cxxflags, true private def self.check_hash_map(flags) hash_namespace = nil ok = false ['__gnu_cxx', '', 'std', 'stdext'].each do \|namespace\| ['hash_map', 'ext/hash_map'].each do \|hash_map_header\| ok = try_compile("Checking for #{hash_map_header}", :cxx, %Q{ #include <#{hash_map_header}> int main() { #{namespace}::hash_map<int, int> m; return 0; } }) if ok hash_namespace = namespace flags << "-DHASH_NAMESPACE=\"#{namespace}\"" flags << "-DHASH_MAP_HEADER=\"<#{hash_map_header}>\"" flags << "-DHASH_MAP_CLASS=\"hash_map\"" break end end break if ok end ['ext/hash_fun.h', 'functional', 'tr1/functional', 'ext/stl_hash_fun.h', 'hash_fun.h', 'stl_hash_fun.h', 'stl/_hash_fun.h'].each do \|hash_function_header\| ok = try_compile("Checking for #{hash_function_header}", :cxx, %Q{ #include <#{hash_function_header}> int main() { #{hash_namespace}::hash<int>()(5); return 0; } }) if ok flags << "-DHASH_FUN_H=\"<#{hash_function_header}>\"" break end end end private_class_method :check_hash_map def self.default_extra_c_or_cxxflags(cc_or_cxx) flags = %w[-D_REENTRANT -I/usr/local/include] if !send("#{cc_or_cxx}_is_sun_studio?") flags.concat %w[-Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wpointer-arith -Wwrite-strings -Wno-long-long] if send("#{cc_or_cxx}_supports_wno_missing_field_initializers_flag?") flags << '-Wno-missing-field-initializers' end if send("#{cc_or_cxx}_supports_wno_unknown_pragmas_flag?") flags << '-Wno-unknown-pragmas' end if requires_no_tls_direct_seg_refs? && send("#{cc_or_cxx}_supports_no_tls_direct_seg_refs_option?") flags << '-mno-tls-direct-seg-refs' end # Work around Clang warnings in ev++.h. if send("#{cc_or_cxx}_is_clang?") && compiler_supports_wno_ambiguous_member_template? flags << '-Wno-ambiguous-member-template' end end if !send("#{cc_or_cxx}_is_sun_studio?") if send("#{cc_or_cxx}_supports_feliminate_unused_debug?") flags.concat %w[-feliminate-unused-debug-symbols -feliminate-unused-debug-types] end if send("#{cc_or_cxx}_supports_visibility_flag?") flags.concat %w[-fvisibility=hidden -DVISIBILITY_ATTRIBUTE_SUPPORTED] if send("#{cc_or_cxx}_visibility_flag_generates_warnings?") && send("#{cc_or_cxx}_supports_wno_attributes_flag?") flags << '-Wno-attributes' end end end flags << '-DHAVE_ACCEPT4' if has_accept4? flags.concat %w[-DPASSENGER_DEBUG -DBOOST_DISABLE_ASSERTS] if cc_or_cxx == :cxx flags << debugging_cxxflags flags << cxx_14_flag if cxx_14_flag if cxx_supports_wno_unused_local_typedefs_flag? # Avoids some compilaton warnings with Boost on Ubuntu 14.04. flags << '-Wno-unused-local-typedefs' end if cxx_supports_wno_vla_cxx_extension_flag? flags << '-Wno-vla-cxx-extension' end else flags << debugging_cflags end if os_name_simple == 'solaris' if send("#{cc_or_cxx}_is_sun_studio?") flags << '-mt' else flags << '-pthreads' end if os_name_full =~ /solaris2\.11/ # skip the _XOPEN_SOURCE and _XPG4_2 definitions in later versions of Solaris / OpenIndiana flags.concat %w[-D__EXTENSIONS__ -D__SOLARIS__ -D_FILE_OFFSET_BITS=64] else flags.concat %w[-D_XOPEN_SOURCE=500 -D_XPG4_2 -D__EXTENSIONS__ -D__SOLARIS__ -D_FILE_OFFSET_BITS=64] flags.concat %w[-D__SOLARIS9__ -DBOOST__STDC_CONSTANT_MACROS_DEFINED] if os_name_full =~ /solaris2\.9/ end flags << '-DBOOST_HAS_STDINT_H' unless os_name_full =~ /solaris2\.(9\|10\|11)/ if send("#{cc_or_cxx}_is_sun_studio?") flags << '-xtarget=ultra' if RUBY_PLATFORM =~ /sparc/ else flags << '-mcpu=ultrasparc' if RUBY_PLATFORM =~ /sparc/ end elsif os_name_simple == 'openbsd' flags.concat %w[-DBOOST_HAS_STDINT_H -D_GLIBCPP__PTHREADS] elsif os_name_simple == 'aix' flags << '-pthread' flags << '-DOXT_DISABLE_BACKTRACES' elsif RUBY_PLATFORM =~ /(sparc-linux\|arm-linux\|^arm.*-linux\|sh4-linux)/ # http://code.google.com/p/phusion-passenger/issues/detail?id=200 # http://groups.google.com/group/phusion-passenger/t/6b904a962ee28e5c # http://groups.google.com/group/phusion-passenger/browse_thread/thread/aad4bd9d8d200561 flags << '-DBOOST_SP_USE_PTHREADS' elsif linux_distro == :centos && os_version >= '8' # _FORTIFY_SOURCE requires compiling with optimization (-O) flags << '-O' end return flags.join(' ') end private_class_method :default_extra_c_or_cxxflags def self.portability_c_or_cxx_ldflags(cc_or_cxx) result = [] result << cxx_14_flag if cc_or_cxx == :cxx && cxx_14_flag if os_name_simple == 'solaris' result.concat %w[-lxnet -lsocket -lnsl -lpthread] else result << '-lpthread' end result << '-lrt' if has_rt_library? result << '-lmath' if has_math_library? result << '-ldl' if has_dl_library? return result.join(' ') end private_class_method :portability_c_or_cxx_ldflags end end # module PhusionPassenger

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