diff options
| -rw-r--r-- | gcc/gcc.cc | 33 |
1 files changed, 33 insertions, 0 deletions
@@ -580,6 +580,7 @@ or with constant text in a single argument. %l process LINK_SPEC as a spec. %L process LIB_SPEC as a spec. %M Output multilib_os_dir. + %P Output a RUNPATH_OPTION for each directory in startfile_prefixes. %G process LIBGCC_SPEC as a spec. %R Output the concatenation of target_system_root and target_sysroot_suffix. @@ -1183,6 +1184,10 @@ proper position among the other output files. */ # define SYSROOT_HEADERS_SUFFIX_SPEC "" #endif +#ifndef RUNPATH_OPTION +# define RUNPATH_OPTION "-rpath" +#endif + static const char *asm_debug = ASM_DEBUG_SPEC; static const char *asm_debug_option = ASM_DEBUG_OPTION_SPEC; static const char *cpp_spec = CPP_SPEC; @@ -5929,6 +5934,7 @@ struct spec_path_info { size_t append_len; bool omit_relative; bool separate_options; + bool realpaths; }; static void * @@ -5938,6 +5944,16 @@ spec_path (char *path, void *data) size_t len = 0; char save = 0; + /* The path must exist; we want to resolve it to the realpath so that this + can be embedded as a runpath. */ + if (info->realpaths) + path = lrealpath (path); + + /* However, if we failed to resolve it - perhaps because there was a bogus + -B option on the command line, then punt on this entry. */ + if (!path) + return NULL; + if (info->omit_relative && !IS_ABSOLUTE_PATH (path)) return NULL; @@ -6169,6 +6185,22 @@ do_spec_1 (const char *spec, int inswitch, const char *soft_matched_part) info.omit_relative = false; #endif info.separate_options = false; + info.realpaths = false; + + for_each_path (&startfile_prefixes, true, 0, spec_path, &info); + } + break; + + case 'P': + { + struct spec_path_info info; + + info.option = RUNPATH_OPTION; + info.append_len = 0; + info.omit_relative = false; + info.separate_options = true; + /* We want to embed the actual paths that have the libraries. */ + info.realpaths = true; for_each_path (&startfile_prefixes, true, 0, spec_path, &info); } @@ -6495,6 +6527,7 @@ do_spec_1 (const char *spec, int inswitch, const char *soft_matched_part) info.append_len = strlen (info.append); info.omit_relative = false; info.separate_options = true; + info.realpaths = false; for_each_path (&include_prefixes, false, info.append_len, spec_path, &info); |