diff options
| -rw-r--r-- | src/logic/slbt_exec_link.c | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/src/logic/slbt_exec_link.c b/src/logic/slbt_exec_link.c index c025a97..7327cb6 100644 --- a/src/logic/slbt_exec_link.c +++ b/src/logic/slbt_exec_link.c @@ -88,6 +88,57 @@ static bool slbt_adjust_input_argument(char * arg, bool fpic) return true; } +static bool slbt_adjust_linker_argument( + char * arg, + bool fpic, + const char * dsosuffix, + const char * arsuffix) +{ + int fdlib; + char * slash; + char * dot; + char base[PATH_MAX]; + + if (*arg == '-') + return false; + + if (!(dot = strrchr(arg,'.'))) + return false; + + if (strcmp(dot,".la")) + return false; + + if (fpic) { + if ((slash = strrchr(arg,'/'))) + slash++; + else + slash = arg; + + if ((size_t)snprintf(base,sizeof(base),"%s", + slash) >= sizeof(base)) + return false; + + sprintf(slash,".libs/%s",base); + dot = strrchr(arg,'.'); + } + + /* shared library dependency? */ + if (fpic) { + sprintf(dot,"%s",dsosuffix); + + if ((fdlib = open(arg,O_RDONLY)) >= 0) + close(fdlib); + else + sprintf(dot,"%s",arsuffix); + + return true; + } + + /* input archive */ + sprintf(dot,"%s",arsuffix); + return true; +} + static int slbt_exec_link_remove_file( const struct slbt_driver_ctx * dctx, struct slbt_exec_ctx * ectx, @@ -182,6 +233,67 @@ static int slbt_exec_link_create_archive( return 0; } +static int slbt_exec_link_create_library( + const struct slbt_driver_ctx * dctx, + struct slbt_exec_ctx * ectx, + const char * dsofilename) +{ + char ** parg; + char output [PATH_MAX]; + + /* initial state */ + slbt_reset_arguments(ectx); + + /* placeholders */ + slbt_reset_placeholders(ectx); + + /* using default argument vector */ + ectx->argv = ectx->cargv; + ectx->program = ectx->cargv[0]; + + /* input argument adjustment */ + for (parg=ectx->cargv; *parg; parg++) + slbt_adjust_input_argument(*parg,true); + + /* linker argument adjustment */ + for (parg=ectx->cargv; *parg; parg++) + slbt_adjust_linker_argument( + *parg,true, + dctx->cctx->settings.dsosuffix, + dctx->cctx->settings.arsuffix); + + /* --no-undefined */ + if (dctx->cctx->drvflags & SLBT_DRIVER_NO_UNDEFINED) + *ectx->noundef = "-Wl,--no-undefined"; + + /* shared object */ + *ectx->dpic = "-shared"; + *ectx->fpic = "-fPIC"; + + /* output */ + if ((size_t)snprintf(output,sizeof(output),"%s.%d.%d.%d", + dsofilename, + dctx->cctx->verinfo.major, + dctx->cctx->verinfo.minor, + dctx->cctx->verinfo.revision) + >= sizeof(output)) + return -1; + + *ectx->lout[0] = "-o"; + *ectx->lout[1] = output; + + /* step output */ + if (!(dctx->cctx->drvflags & SLBT_DRIVER_SILENT)) + if (slbt_output_link(dctx,ectx)) + return -1; + + /* spawn */ + if ((slbt_spawn(ectx,true) < 0) || ectx->exitcode) + return -1; + + return 0; +} + static int slbt_exec_link_create_symlink( const struct slbt_driver_ctx * dctx, struct slbt_exec_ctx * ectx, @@ -227,6 +339,34 @@ static int slbt_exec_link_create_symlink( return symlink(atarget,lnkname); } +static int slbt_exec_link_create_library_symlink( + const struct slbt_driver_ctx * dctx, + struct slbt_exec_ctx * ectx, + bool fmajor) +{ + char target[PATH_MAX]; + char lnkname[PATH_MAX]; + + sprintf(target,"%s.%d.%d.%d", + ectx->dsofilename, + dctx->cctx->verinfo.major, + dctx->cctx->verinfo.minor, + dctx->cctx->verinfo.revision); + + if (fmajor) + sprintf(lnkname,"%s.%d", + ectx->dsofilename, + dctx->cctx->verinfo.major); + + else + strcpy(lnkname,ectx->dsofilename); + + return slbt_exec_link_create_symlink( + dctx,ectx, + target,lnkname, + false); +} + int slbt_exec_link( const struct slbt_driver_ctx * dctx, struct slbt_exec_ctx * ectx) @@ -277,6 +417,33 @@ int slbt_exec_link( return -1; } + /* dynamic library */ + if (dot && !strcmp(dot,".la") && dctx->cctx->rpath) { + /* linking: libfoo.so.x.y.z */ + if (slbt_exec_link_create_library( + dctx,ectx, + ectx->dsofilename)) { + slbt_free_exec_ctx(actx); + return -1; + } + + /* symlink: libfoo.so.x --> libfoo.so.x.y.z */ + if (slbt_exec_link_create_library_symlink( + dctx,ectx, + true)) { + slbt_free_exec_ctx(actx); + return -1; + } + + /* symlink: libfoo.so --> libfoo.so.x.y.z */ + if (slbt_exec_link_create_library_symlink( + dctx,ectx, + false)) { + slbt_free_exec_ctx(actx); + return -1; + } + } + /* no wrapper? */ if (!dot || strcmp(dot,".la")) { slbt_free_exec_ctx(actx); |