passenger-4.0.48 Compilation Error

Tech Up

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Aug 3, 2014, 8:15:30 AM8/3/14

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Hello,

On running ./bin/passenger-install-apache2-module, after the compilation starts, I get the following error:

....

In file included from ext/common/MessageServer.h:51:0,

from ext/common/Utils.cpp:54:

ext/common/Utils/MessageIO.h:121:20: error: reference to 'uint16_t' is ambiguous

/usr/include/stdint.h:49:28: error: candidates are: typedef short unsigned int uint16_t

ext/boost/cstdint.hpp:234:30: error: typedef short unsigned int boost::uint16_t

ext/common/Utils/MessageIO.h:121:20: error: 'uint16_t' has not been declared

ext/common/Utils/MessageIO.h: In function 'bool Passenger::readUint16(int, int&, long long unsigned int*)':

ext/common/Utils/MessageIO.h:122:2: error: reference to 'uint16_t' is ambiguous

/usr/include/stdint.h:49:28: error: candidates are: typedef short unsigned int uint16_t

ext/boost/cstdint.hpp:234:30: error: typedef short unsigned int boost::uint16_t

ext/common/Utils/MessageIO.h:122:11: error: expected ';' before 'temp'

ext/common/Utils/MessageIO.h:124:21: error: 'temp' was not declared in this scope

ext/common/Utils/MessageIO.h:124:34: error: reference to 'uint16_t' is ambiguous

/usr/include/stdint.h:49:28: error: candidates are: typedef short unsigned int uint16_t

.....

Anybody else facing the same issue?

My platform is Gentoo Linux.

Please let me know if you need additional details.

Thanks and Regards,

TU

Hongli Lai

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Aug 11, 2014, 5:34:27 AM8/11/14

to phusion-passenger

This is a bug in our source code that needs to be fixed. I've filed a
bug here: https://github.com/phusion/passenger/issues/1261

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Tony Li

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Aug 12, 2014, 11:32:35 PM8/12/14

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Hi Hongli,

Thanks for looking into this, however, the fix doesn't work to me. I was using passenger-install-apache2-module to install passenger, and saw those error, and checking source code, I changed something in 2 places, see below, basically it's removing wrong checking for cxx compiler in compiler.rb and adding apache2_module_cxxflags in apache.rb, then let compiler use apache2_module_cxxflags in apache2.rb.

root@dtcd-absnda1 # diff ./lib/phusion_passenger/platform_info/compiler.rb.bak ./lib/phusion_passenger/platform_info/compiler.rb

206c206

< `#{cxx} -V 2>&1` =~ /Sun C/ || `#{cc} -flags 2>&1` =~ /Sun C/

---

> `#{cxx} -V 2>&1` =~ /Sun C/

##add a apache2_module_cxxflags part into apache.rb, to allow c++ use -fPIC, as in our solaris, cc is for Sun sparc, but c++ is gcc

root@dtcd-absnda1 # diff ./lib/phusion_passenger/platform_info/apache.rb.bak ./lib/phusion_passenger/platform_info/apache.rb

601a602,690

>

> ################ CXX Compiler and linker flags ################

>

> # The C compiler flags that are necessary to compile an Apache module.

> # Also includes APR and APU compiler flags if with_apr_flags is true.

> def self.apache2_module_cxxflags(with_apr_flags = true)

> flags = [""]

> if cxx_is_sun_studio?

> flags << "-fPIC"

> else

> flags << "-fPIC"

> end

> if with_apr_flags

> flags << apr_flags

> flags << apu_flags

> end

> if !apxs2.nil?

> apxs2_flags = `#{apxs2} -q CFLAGS`.strip << " -I" << `#{apxs2} -q INCLUDEDIR`.strip

> apxs2_flags.gsub!(/-O\d? /, '')

>

> # Remove flags not supported by GCC

> if os_name =~ /solaris/ # TODO: Add support for people using SunStudio

> # The big problem is Coolstack apxs includes a bunch of solaris -x directives.

> options = apxs2_flags.split

> options.reject! { |f| f =~ /^\-x/ }

> options.reject! { |f| f =~ /^\-Xa/ }

> options.reject! { |f| f =~ /^\-fast/ }

> options.reject! { |f| f =~ /^\-mt/ }

> apxs2_flags = options.join(' ')

> end

>

> if os_name == "linux" &&

> linux_distro_tags.include?(:redhat) &&

> apxs2 == "/usr/sbin/apxs" &&

> httpd_architecture_bits == 64

> # The Apache package in CentOS 5 x86_64 is broken.

> # 'apxs -q CFLAGS' contains directives for compiling

> # the module as 32-bit, even though httpd itself

> # is 64-bit. Fix this.

> apxs2_flags.gsub!('-m32 -march=i386 -mtune=generic', '')

> end

>

> apxs2_flags.strip!

> flags << apxs2_flags

> end

> if !httpd.nil? && os_name == "macosx"

> # The default Apache install on OS X is a universal binary.

> # Figure out which architectures it's compiled for and do the same

> # thing for mod_passenger. We use the 'file' utility to do this.

> #

> # Running 'file' on the Apache executable usually outputs something

> # like this:

> #

> # /usr/sbin/httpd: Mach-O universal binary with 4 architectures

> # /usr/sbin/httpd (for architecture ppc7400): Mach-O executable ppc

> # /usr/sbin/httpd (for architecture ppc64): Mach-O 64-bit executable ppc64

> # /usr/sbin/httpd (for architecture i386): Mach-O executable i386

> # /usr/sbin/httpd (for architecture x86_64): Mach-O 64-bit executable x86_64

> #

> # But on some machines, it may output just:

> #

> # /usr/sbin/httpd: Mach-O fat file with 4 architectures

> #

> # (http://code.google.com/p/phusion-passenger/issues/detail?id=236)

> output = `file "#{httpd}"`.strip

> if output =~ /Mach-O fat file/ && output !~ /for architecture/

> architectures = ["i386", "ppc", "x86_64", "ppc64"]

> else

> architectures = []

> output.split("\n").grep(/for architecture/).each do |line|

> line =~ /for architecture (.*?)\)/

> architectures << $1

> end

> # The compiler may not support all architectures in the binary.

> # XCode 4 seems to have removed support for the PPC architecture

> # even though there are still plenty of Apache binaries around

> # containing PPC components.

> architectures.reject! do |arch|

> !compiler_supports_architecture?(arch)

> end

> architectures.map! do |arch|

> "-arch #{arch}"

> end

> flags << architectures.compact.join(' ')

> end

> return flags.compact.join(' ').strip

> end

> memoize :apache2_module_cxxflags, true

603c692,693

< # Linker flags that are necessary for linking an Apache module.

---

>

> # Linker flags that are necessary for linking an Apache module.

flags << "-fPIC"

##To allow complier actually use the apache2_module_cxxflags.

root@dtcd-absnda1 # diff ./build/apache2.rb.bak ./build/apache2.rb

66c66

< "-Iext -Iext/common #{PlatformInfo.apache2_module_cflags} " <<

---

> "-Iext -Iext/common #{PlatformInfo.apache2_module_cxxflags} " <<

71c71

< PlatformInfo.apache2_module_cflags)

---

> PlatformInfo.apache2_module_cxxflags)

77c77

< define_tasks(PlatformInfo.apache2_module_cflags).

---

> define_tasks(PlatformInfo.apache2_module_cxxflags).

I also did other changes which I have done in previous 4.0.46 installation, see here: https://groups.google.com/forum/#!topic/phusion-passenger/hCKf017pM9E

Hongli Lai

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Aug 13, 2014, 6:40:27 AM8/13/14

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Commit 1c64164 should fix this. Could you try?

> https://groups.google.com/d/msgid/phusion-passenger/933756b2-1bbd-4482-a614-dc23ee5713d3%40googlegroups.com.

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