[blfs-support] JSON-C fails to build

Dan McGhee beesnees at grm.net
Fri Dec 20 09:38:14 PST 2013

On 12/20/2013 11:32 AM, Dan McGhee wrote:
> On 12/20/2013 11:18 AM, Armin K. wrote:
>> On 12/20/2013 06:15 PM, Dan McGhee wrote:
>>> I'm building JSON-C as a dependency for PulseAudio.  It fails to build with:
>>>> /bin/sh ./libtool --tag=CC   --mode=link gcc -Wall -Werror -Wextra
>>>> -Wwrite-strings -Wno-unused-parameter -std=gnu99 -D_GNU_SOURCE
>>>> -D_REENTRANT -g -O2 -version-info 1:0:1 -no-undefined -ljson-c  -o
>>>> libjson.la -rpath /usr/lib libjson.lo -ljson-c
>>>> mv -f .deps/json_util.Tpo .deps/json_util.Plo
>>>> mv -f .deps/printbuf.Tpo .deps/printbuf.Plo
>>>> mv -f .deps/linkhash.Tpo .deps/linkhash.Plo
>>>> libtool: link: gcc -shared  .libs/libjson.o   -ljson-c -Wl,-soname
>>>> -Wl,libjson.so.0 -o .libs/libjson.so.0.1.0
>>>> /usr/bin/ld: cannot find -ljson-c
>>>> collect2: error: ld returned 1 exit status
>>>> make[2]: *** [libjson.la] Error 1
>>>> make[2]: *** Waiting for unfinished jobs....
>>>> mv -f .deps/json_object.Tpo .deps/json_object.Plo
>>>> mv -f .deps/json_tokener.Tpo .deps/json_tokener.Plo
>>>> make[2]: Leaving directory `/usr/src/json-c-0.11/json-c-0.11'
>>>> make[1]: Leaving directory `/usr/src/json-c-0.11/json-c-0.11'
>>>> make[1]: *** [all-recursive] Error 1
>>>> make: *** [all] Error 2
>>> I don't know if it's relevant, but the README file contains this:
>>>> Linking to libjson-c
>>>> If your system has pkgconfig then you can just add this to your makefile
>>>> CFLAGS += $(shell pkg-config --cflags json-c)
>>>> LDFLAGS += $(shell pkg-config --libs json-c)
>>>> Without pkgconfig, you would do something like this:
>>>> JSON_C_DIR=/path/to/json_c/install
>>>> CFLAGS += -I$(JSON_C_DIR)/include/json-c
>>>> LDFLAGS+= -L$(JSON_C_DIR)/lib -ljson-c
>>> If it's relevant to pass any of these things to get JSON-C to build, how
>>> and where would I do it?
>>> Thanks,
>>> Dan
>> libjson-c is built as part of the same package and it should be present
>> in the build directory, .libs subdirectory.
> That's what I thought, and what I saw when I looked into the build
> directory. That's what I found so strange. But the build failed four
> times. I wonder if there's something wrong in $PATH. I use the Package
> Users system, and I'm investigating that possibility right now. However,
> this is the first and only package of almost 200 that I've built in
> {,B}LFS so far that has failed to build.
> Dan
There must be some conflict between this package and the Package Users 
system. I didn't want to mess with it so I built as me and installed as 
root. Everything was fine. No problems now.

Thanks for at least looking, Armin.


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