Re: Issue Compiling fontconfig

Hi again,

I wanted to give an update.  I decided to use the other approach (using the
PKG_CONFIG_PATH environment variable).  I was able to compile fontconfig
using that environment variable.  So it seems that there is an issue with
using the other approach that gets recommended.

-Antelmo

On Fri, Jul 13, 2018 at 1:42 PM, Antelmo Aguilar <[email protected]> wrote:

> Hello,
>
> I am having issues compiling the latest version of Fontconfig from source
> in a Red Hat 7 system.  I am unsure where the issue is exactly, but I
> suspect that for some reason the FREETYPE_LIBS and FREETYPE_CFLAGS
> environment variables are not being used correctly.
>
> I compiled Freetype 2.9 by source and installed it on both a custom
> directory and the default directory.  Using the environment variables to
> specify the location of freetype did allow the configuration script to find
> freetype.  At first I did not pay attention to the lines after the
> configuration script said it did find freetype so I continued with the
> "make" command once the configuration was done.
>
> After doing the make command, it complained that it was unable to find the
> ft2build.h file.  More specifically, it gave me this error:
>
> make[3]: Entering directory `/opt/test_build/fontconfig/
> src/fontconfig-2.13.0/src'
>   CC       fcfreetype.lo
> In file included from fcftint.h:26:0,
>                  from fcfreetype.c:48:
> ../fontconfig/fcfreetype.h:27:22: fatal error: ft2build.h: No such file
> or directory
>  #include <ft2build.h>
>                       ^
> compilation terminated.
>
>
> From my logic, I would have assumed that the FREETYPE_CFLAGS environment
> variable would tell fontconfig where to find the ft2build.h (which I double
> checked the directory I set in that variable and it did indeed contain the
> header file fontconfig was complaining it could not find).
>
> So I found a workaround for fontconfig to find the "missing" header file
> by using the CPPFLAGS environment variable to also contain the include
> directory for Freetype.  This allowed the compilation to continue, but then
> it gave an error again.  This pastebin is an example of the output from
> make when I received that error: https://pastebin.com/2WzyVrTx
>
> As you can see, "make" gives several linking warnings which I suspect is
> what causes the undefined reference error in the end.  The undefined
> references are from functions that are defined in the Freetype library and
> I was able to verify that they are there using the "nm" command.
>
> So I really have no idea why fontconfig is unable to link the freetype
> library to find these functions.  Also, here is a pastebin of the
> configuration output:   https://pastebin.com/bHyeFCh5
>
> I had mentioned that I did not pay attention to the lines after the
> configuration script said it found Freetype.  While I was diagnosing the
> issue, I noticed that the configuration script was also unable to find the
> Freetype functions that it checks for even though they are defined in the
> library file of Freetype.
>
> Hopefully someone can help point out what I might be doing wrong, but so
> far it seems that there might be an issue with the configuration script.
> Thanks in advance.
>
> -Antelmo
>

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