[MSYS2/GCC-TDM] Compiler not finding headers in /usr/local/include Post: 302932920

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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

01-26-2015

Registered User

[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.

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LEARN ABOUT SUNOS

whereis

whereis(1B)					     SunOS/BSD Compatibility Package Commands					       whereis(1B)

NAME

       whereis - locate the binary, source, and manual page files for a command

SYNOPSIS

       /usr/ucb/whereis [-bmsu] [ -BMS directory...  -f] filename...

DESCRIPTION

       The  whereis utility locates source/binary and manuals sections for specified files. The supplied names are first stripped of leading path-
       name components and any (single) trailing extension of the form .ext, for example, .c.  Prefixes of s. resulting from use  of  source  code
       control are also dealt with. whereis then attempts to locate the desired program in a list of standard places:

       etc
       /sbin
       /usr/bin
       /usr/ccs/bin
       /usr/ccs/lib
       /usr/lang
       /usr/lbin
       /usr/lib
       /usr/sbin
       /usr/ucb
       /usr/ucblib
       /usr/ucbinclude
       /usr/games
       /usr/local
       /usr/local/bin
       /usr/new
       /usr/old
       /usr/hosts
       /usr/include
       /usr/etc

OPTIONS

       The following options are supported:

       -b	Searches only for binaries.

       -B	Changes or otherwise limits the places where whereis searches for binaries.

       -f	Terminates the last directory list and signals the start of file names, and must be used when any of the -B, -M, or -S options are
		used.

       -m	Searches only for manual sections.

       -M	Changes or otherwise limits the places where whereis searches for manual sections.

       -s	Searches only for sources.

       -S	Changes or otherwise limit the places where whereis searches for sources.

       -u	Searches for unusual entries. A file is said to be  unusual  if  it  does  not	have  one  entry  of  each  requested  type.  Thus
		`whereis  -m  -u  *' asks for those files in the current directory which have no documentation.

EXAMPLES

       Example 1: Finding files

       Find all files in /usr/bin which are not documented in /usr/share/man/man1 with source in /usr/src/cmd:

       example% cd /usr/ucb
       example% whereis -u -M /usr/share/man/man1 -S /usr/src/cmd -f *

FILES

       /usr/src/*

       /usr/{doc,man}/*

       /etc, /usr/{lib,bin,ucb,old,new,local}

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWscpu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       chdir(2), attributes(5)

BUGS

       Since whereis uses chdir(2) to run faster, pathnames given with the -M, -S, or -B must be full; that is, they must begin with a `/'.

SunOS 5.10							    10 Jan 2000 						       whereis(1B)