./configure error for lyaml. See https://github.com/gvvaughan/lyaml/issues/11 for discussion.

config.log

configure:13020: checking for yaml.h
configure:13020: result: yes
configure:13032: checking for library containing yaml_document_initialize
configure:13063: gcc -o conftest -g -O2 -I/home/achald/.local/yaml-0.1.7/include -L/home/achald/.local/yaml-0.1.7/lib conftest.c  >&5
/tmp/ccmoDgR2.o: In function `main':
/home/achald/scratch/lyaml/lyaml-release-v6.0/conftest.c:36: undefined reference to `yaml_document_initialize'
collect2: error: ld returned 1 exit status
configure:13063: $? = 1
configure: failed program was:
| /* confdefs.h */
| #define PACKAGE_NAME "lyaml"
| #define PACKAGE_TARNAME "lyaml"
| #define PACKAGE_VERSION "6.0"
| #define PACKAGE_STRING "lyaml 6.0"
| #define PACKAGE_BUGREPORT "http://github.com/gvvaughan/lyaml/issues"
| #define PACKAGE_URL ""
| #define PACKAGE "lyaml"
| #define VERSION "6.0"
| #define STDC_HEADERS 1
| #define HAVE_SYS_TYPES_H 1
| #define HAVE_SYS_STAT_H 1
| #define HAVE_STDLIB_H 1
| #define HAVE_STRING_H 1
| #define HAVE_MEMORY_H 1
| #define HAVE_STRINGS_H 1
| #define HAVE_INTTYPES_H 1
| #define HAVE_STDINT_H 1
| #define HAVE_UNISTD_H 1
| #define HAVE_DLFCN_H 1
| #define LT_OBJDIR ".libs/"
| #define STDC_HEADERS 1
| #define HAVE_YAML_H 1
| /* end confdefs.h.  */
| 
| /* Override any GCC internal prototype to avoid an error.
|    Use char because int might match the return type of a GCC
|    builtin and then its argument prototype would still apply.  */
| #ifdef __cplusplus
| extern "C"
| #endif
| char yaml_document_initialize ();
| int
| main ()
| {
| return yaml_document_initialize ();
|   ;
|   return 0;
| }
configure:13063: gcc -o conftest -g -O2 -I/home/achald/.local/yaml-0.1.7/include -L/home/achald/.local/yaml-0.1.7/lib conftest.c -lyaml   >&5
configure:13063: $? = 0
configure:13080: result: -lyaml
configure:13095: checking for specl
configure:13126: result: :
configure:13143: checking if /usr/bin/lua is a Lua interpreter
configure:13157: result: yes
configure:13167: checking whether /usr/bin/lua version >= 5.1, < 5.4
configure:13188: result: yes
configure:13304: checking for /usr/bin/lua version
configure:13315: result: 5.1
configure:13325: checking for /usr/bin/lua platform
configure:13332: result: unknown
configure:13342: checking for /usr/bin/lua script directory
configure:13392: result: ${prefix}/share/lua/5.1
configure:13399: checking for /usr/bin/lua module directory
configure:13449: result: ${exec_prefix}/lib/lua/5.1
configure:13461: checking if LUA_VERSION is defined
configure:13464: result: yes
configure:13483: checking lua.h usability
configure:13483: gcc -c -g -O2 -I/home/achald/.local/yaml-0.1.7/include -I/home/achald/.local/torch/install/include conftest.c >&5
configure:13483: $? = 0
configure:13483: result: yes
configure:13483: checking lua.h presence
configure:13483: gcc -E -I/home/achald/.local/yaml-0.1.7/include -I/home/achald/.local/torch/install/include conftest.c
configure:13483: $? = 0
configure:13483: result: yes
configure:13483: checking for lua.h
configure:13483: result: yes
configure:13483: checking lualib.h usability
configure:13483: gcc -c -g -O2 -I/home/achald/.local/yaml-0.1.7/include -I/home/achald/.local/torch/install/include conftest.c >&5
configure:13483: $? = 0
configure:13483: result: yes
configure:13483: checking lualib.h presence
configure:13483: gcc -E -I/home/achald/.local/yaml-0.1.7/include -I/home/achald/.local/torch/install/include conftest.c
configure:13483: $? = 0
configure:13483: result: yes
configure:13483: checking for lualib.h
configure:13483: result: yes
configure:13483: checking lauxlib.h usability
configure:13483: gcc -c -g -O2 -I/home/achald/.local/yaml-0.1.7/include -I/home/achald/.local/torch/install/include conftest.c >&5
configure:13483: $? = 0
configure:13483: result: yes
configure:13483: checking lauxlib.h presence
configure:13483: gcc -E -I/home/achald/.local/yaml-0.1.7/include -I/home/achald/.local/torch/install/include conftest.c
configure:13483: $? = 0
configure:13483: result: yes
configure:13483: checking for lauxlib.h
configure:13483: result: yes
configure:13483: checking luaconf.h usability
configure:13483: gcc -c -g -O2 -I/home/achald/.local/yaml-0.1.7/include -I/home/achald/.local/torch/install/include conftest.c >&5
configure:13483: $? = 0
configure:13483: result: yes
configure:13483: checking luaconf.h presence
configure:13483: gcc -E -I/home/achald/.local/yaml-0.1.7/include -I/home/achald/.local/torch/install/include conftest.c
configure:13483: $? = 0
configure:13483: result: yes
configure:13483: checking for luaconf.h
configure:13483: result: yes
configure:13547: checking for Lua header version
configure:13574: gcc -o conftest -g -O2 -I/home/achald/.local/yaml-0.1.7/include -I/home/achald/.local/torch/install/include -L/home/achald/.local/yaml-0.1.7/lib conftest.c -lyaml  >&5
configure:13574: $? = 0
configure:13574: ./conftest
./conftest: error while loading shared libraries: libyaml-0.so.2: cannot open shared object file: No such file or directory
configure:13574: $? = 127
configure: program exited with status 127
configure: failed program was:
| /* confdefs.h */
| #define PACKAGE_NAME "lyaml"
| #define PACKAGE_TARNAME "lyaml"
| #define PACKAGE_VERSION "6.0"
| #define PACKAGE_STRING "lyaml 6.0"
| #define PACKAGE_BUGREPORT "http://github.com/gvvaughan/lyaml/issues"
| #define PACKAGE_URL ""
| #define PACKAGE "lyaml"
| #define VERSION "6.0"
| #define STDC_HEADERS 1
| #define HAVE_SYS_TYPES_H 1
| #define HAVE_SYS_STAT_H 1
| #define HAVE_STDLIB_H 1
| #define HAVE_STRING_H 1
| #define HAVE_MEMORY_H 1
| #define HAVE_STRINGS_H 1
| #define HAVE_INTTYPES_H 1
| #define HAVE_STDINT_H 1
| #define HAVE_UNISTD_H 1
| #define HAVE_DLFCN_H 1
| #define LT_OBJDIR ".libs/"
| #define STDC_HEADERS 1
| #define HAVE_YAML_H 1
| #define HAVE_LUA_H 1
| #define HAVE_LUALIB_H 1
| #define HAVE_LAUXLIB_H 1
| #define HAVE_LUACONF_H 1
| /* end confdefs.h.  */
| 
| #include <lua.h>
| #include <stdlib.h>
| #include <stdio.h>
| int main(int argc, char ** argv)
| {
|   if(argc > 1) printf("%s", LUA_VERSION);
|   exit(EXIT_SUCCESS);
| }
| 
| 
configure:13588: result: unknown
configure:13591: checking if Lua header version matches 5.1
configure:13599: result: no
configure:13616: error: cannot find headers for specified LUA_INCLUDE