asked on

gzopen not recognized on compile

I am trying to compile and when I run ./configure I get

checking whether the C compiler (gcc ) works... yes
checking whether the C compiler (gcc ) is a cross-compiler... no
checking whether we are using GNU C... (cached) yes
checking whether gcc accepts -g... (cached) yes
checking for POSIXized ISC... no
checking how to run the C preprocessor... (cached) gcc -E
checking for ANSI C header files... (cached) yes
checking for ranlib... (cached) ranlib
checking for gdImageCreateFromPng in -lgd... (cached) no
checking for gdImageStringTTF in -lgd... (cached) no
checking for png_init_io in -lpng... (cached) no
checking for gzopen in -lz... (cached) no
checking for ANSI C header files... (cached) yes
checking for fcntl.h... (cached) yes

zlib1g, zlib1g-dbg, and zlib1g-dev are installed on ubuntu and zlib.h is in /usr/include/

any suggestions on how to get gzopen to work?

thanks

SOLUTION

evilrix

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mrjoltcola

What does this show?

nm /usr/lib/libz.a | grep gzopen

aijohn

ASKER

000019a0 T gzopen
00001980 T gzopen64

evilrix

Then the lib exists and has the symbols for gzopen in it... did you try linking against it like I suggested... just to make sure you can link to it? If that works you can always try looking at what the script is doing to check it exists.

mrjoltcola

Then I think the configure.pl script is not finding the correct library. Try compiling evilrix' program standalone. The problem might not be your system or your compiler, but your configure script.

mrjoltcola

@evilrix: oops I see you have it in hand

evilrix

>> @evilrix: oops I see you have it in hand
No worries... collaboration is good for the soul (and the asker) :)

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mrjoltcola

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aijohn

ASKER

Wonderful! Cleared config.cache and got a good install. This is old, old code and still hs problems but will handle that with some more questions.