[blfs-support] JSON-C fails to build

Dan McGhee beesnees at grm.net
Fri Dec 20 09:32:11 PST 2013


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






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