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Full Discussion: [MSYS2/GCC-TDM] Compiler not finding headers in /usr/local/include
Top Forums Programming [MSYS2/GCC-TDM] Compiler not finding headers in /usr/local/include Post 302932920 by AntumDeluge on Monday 26th of January 2015 11:13:46 AM
Old 01-26-2015
Question [MSYS2/GCC-TDM] Compiler not finding headers in /usr/local/include
I hope it's okay to post this here. I'm working on Windows computer but using the Unix-like environment MSYS2 (https://sourceforge.net/projects/msys2).

My problem is that I can't get the compiler to find headers located in /usr/local/include. I am trying to compile libpng which wants the header "zlib.h":
Code:
$ ../configure --disable-static LDFLAGS="-L/usr/local/lib" CXXLAGS="-I/usr/local/include"
...
...
...
checking for zlibVersion in -lz... yes
...
...
...

$ make
rm -f pnglibconf.c pnglibconf.tf[45]
gawk -f ../scripts/options.awk out=pnglibconf.tf4 version=search\
    ../pngconf.h ../scripts/pnglibconf.dfa\
    ../pngusr.dfa  1>&2
gawk -f ../scripts/options.awk out=pnglibconf.tf5 pnglibconf.tf4 1>&2
rm pnglibconf.tf4
mv pnglibconf.tf5 pnglibconf.c
rm -f pnglibconf.out pnglibconf.tf[12]
test -d scripts || mkdir scripts || test -d scripts
gcc -E -DHAVE_CONFIG_H -I. -I.. \
     -DPNGLIB_LIBNAME='PNG16_0' -DPNGLIB_VERSION='1.6.16' -DSYMBOL_PREFIX='' -DPNG_NO_USE_READ_MACROS -DPNG_BUILDING_SYMBOL_TABLE  pnglibconf.c > pnglibconf.tf1
pnglibconf.c:33:19: fatal error: zlib.h: No such file or directory
 # include <zlib.h>
                   ^
compilation terminated.
Makefile:2143: recipe for target 'pnglibconf.out' failed
make: *** [pnglibconf.out] Error 1

$ ls /usr/local/include | grep zlib
zlib.h

I have no clue why it's not finding it.

[code]$ whereis ld
ld: /mingw64tdm/bin/ld.exe

$ ld --verbose | grep SEARCH
SEARCH_DIR("/mingw64tdm/x86_64-w64-mingw32/lib"); SEARCH_DIR("/mingw64tdm/lib"); SEARCH_DIR("/usr/local/lib"); SEARCH_DIR("/lib"); SEARCH_DIR("/usr/lib");[/code]

Anyone have any ideas?

--- Edit ---

Sorry, that part about the linker was not necessary.

--- Edit ---

Ugh! I was using the wrong variable. "CXXFLAGS" should have been "CPPFLAGS".
Last edited by AntumDeluge; 01-26-2015 at 12:27 PM.. Reason: Delete linker command.
This User Gave Thanks to AntumDeluge For This Post:
jim mcnamara
 

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LEARN ABOUT DEBIAN

pmload

PMLOAD(1p)						User Contributed Perl Documentation						PMLOAD(1p)

NAME

       pmload - show what files a given module loads at compile time

DESCRIPTION

       Given an argument of a module name, show all the files that are loaded directly or indirectly when the module is used at compile-time.

EXAMPLES

	   $ pmload IO::Handle
	   /usr/local/devperl/lib/5.00554/Exporter.pm
	   /usr/local/devperl/lib/5.00554/Carp.pm
	   /usr/local/devperl/lib/5.00554/strict.pm
	   /usr/local/devperl/lib/5.00554/vars.pm
	   /usr/local/devperl/lib/5.00554/i686-linux/DynaLoader.pm
	   /usr/local/devperl/lib/5.00554/i686-linux/IO/Handle.pm
	   /usr/local/devperl/lib/5.00554/Symbol.pm
	   /usr/local/devperl/lib/5.00554/i686-linux/IO/File.pm
	   /usr/local/devperl/lib/5.00554/SelectSaver.pm
	   /usr/local/devperl/lib/5.00554/i686-linux/Fcntl.pm
	   /usr/local/devperl/lib/5.00554/AutoLoader.pm
	   /usr/local/devperl/lib/5.00554/i686-linux/IO.pm
	   /usr/local/devperl/lib/5.00554/i686-linux/IO/Seekable.pm

	   $ cat `pmload IO::Socket` | wc -l
	      4015

	   $ oldperl -S pmload Tk
	   /usr/lib/perl5/site_perl/Tk/Pretty.pm
	   /usr/lib/perl5/Symbol.pm
	   /usr/lib/perl5/site_perl/Tk/Frame.pm
	   /usr/lib/perl5/site_perl/Tk/Toplevel.pm
	   /usr/lib/perl5/strict.pm
	   /usr/lib/perl5/Exporter.pm
	   /usr/lib/perl5/vars.pm
	   /usr/lib/perl5/site_perl/auto/Tk/Wm/autosplit.ix
	   /usr/lib/perl5/site_perl/auto/Tk/Widget/autosplit.ix
	   /usr/lib/perl5/site_perl/Tk.pm
	   /usr/lib/perl5/i386-linux/5.00404/DynaLoader.pm
	   /usr/lib/perl5/site_perl/auto/Tk/Frame/autosplit.ix
	   /usr/lib/perl5/site_perl/auto/Tk/Toplevel/autosplit.ix
	   /usr/lib/perl5/Carp.pm
	   /usr/lib/perl5/site_perl/auto/Tk/autosplit.ix
	   /usr/lib/perl5/site_perl/Tk/CmdLine.pm
	   /usr/lib/perl5/site_perl/Tk/MainWindow.pm
	   /usr/lib/perl5/site_perl/Tk/Submethods.pm
	   /usr/lib/perl5/site_perl/Tk/Configure.pm
	   /usr/lib/perl5/AutoLoader.pm
	   /usr/lib/perl5/site_perl/Tk/Derived.pm
	   /usr/lib/perl5/site_perl/Tk/Image.pm
	   /usr/lib/perl5/site_perl/Tk/Wm.pm
	   /usr/lib/perl5/site_perl/Tk/Widget.pm

NOTE

       If the programmers used a delayed "require", those files won't show up.	Furthermore, this doesn't show all possible files that get opened,
       just those that those up in %INC.  Most systems have a way to trace system calls.  You can use this to find the real answer.  First, get a
       baseline with no modules loaded.

	   $ strace perl -e 1 2>&1 | perl -nle '/^open("(.*?)".* = [^-]/ && print $1'
	   /etc/ld.so.cache
	   /lib/libnsl.so.1
	   /lib/libdb.so.2
	   /lib/libdl.so.2
	   /lib/libm.so.6
	   /lib/libc.so.6
	   /lib/libcrypt.so.1
	   /dev/null

	   $ strace perl -e 1 2>&1 | grep -c '^open.*= [^-]'
	   8

       Now add module loads and see what you get:

	   $ strace perl -MIO::Socket -e 1 2>&1 | grep -c '^open.*= [^-]'
	   24

	   $ strace perl -MTk -e 1 2>&1 | grep -c '^open.*= [^-]'
	   35

SEE ALSO

       Devel::Loaded, plxload(1).

AUTHORS and COPYRIGHTS
       Copyright (C) 1999 Tom Christiansen.

       Copyright (C) 2006-2008 Mark Leighton Fisher.

       This is free software; you can redistribute it and/or modify it under the terms of either: (a) the GNU General Public License as published
       by the Free Software Foundation; either version 1, or (at your option) any later version, or (b) the Perl "Artistic License".  (This is the
       Perl 5 licensing scheme.)

       Please note this is a change from the original pmtools-1.00 (still available on CPAN), as pmtools-1.00 were licensed only under the Perl
       "Artistic License".

perl v5.10.1							    2010-02-22								PMLOAD(1p)
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