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-rw-r--r--src/logic/slbt_exec_link.c157
1 files changed, 122 insertions, 35 deletions
diff --git a/src/logic/slbt_exec_link.c b/src/logic/slbt_exec_link.c
index 50fbf9c..29a97d0 100644
--- a/src/logic/slbt_exec_link.c
+++ b/src/logic/slbt_exec_link.c
@@ -4,6 +4,7 @@
/* Released under the Standard MIT License; see COPYING.SLIBTOOL. */
/*******************************************************************/
+#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
@@ -318,6 +319,93 @@ static int slbt_adjust_linker_argument(
return slbt_get_deps_meta(dctx,arg,0,depsmeta);
}
+static int slbt_emit_fdwrap_amend_dl_path(
+ const struct slbt_driver_ctx * dctx,
+ struct slbt_exec_ctx * ectx,
+ struct slbt_deps_meta * depsmeta,
+ const char * fmt,
+ ...)
+{
+ va_list ap;
+ char * buf;
+ int cnt;
+ char dlpathbuf[2048];
+ int fdwrap;
+ const char * fdwrap_fmt;
+ int size;
+
+ va_start(ap,fmt);
+
+ size = sizeof(dlpathbuf);
+
+ buf = ((cnt = vsnprintf(dlpathbuf,size,fmt,ap)) < size)
+ ? dlpathbuf : malloc((size = cnt + 1));
+
+ va_end(ap);
+
+ if (buf == dlpathbuf) {
+ (void)0;
+
+ } else if (buf) {
+ va_start(ap,fmt);
+ vsprintf(buf,fmt,ap);
+ va_end(ap);
+
+ } else {
+ return slbt_exec_link_exit(
+ depsmeta,
+ SLBT_SYSTEM_ERROR(dctx,0));
+ }
+
+ if ((fdwrap = slbt_exec_get_fdwrapper(ectx)) >= 0) {
+ if (buf[0] == '/') {
+ fdwrap_fmt = "DL_PATH=\"${DL_PATH}${COLON}%s\"\nCOLON=':'\n\n";
+ } else {
+ fdwrap_fmt = "DL_PATH=\"${DL_PATH}${COLON}${DL_PATH_FIXUP}%s\"\nCOLON=':'\n\n";
+ }
+
+ if (slbt_dprintf(fdwrap,fdwrap_fmt,buf) < 0) {
+ return slbt_exec_link_exit(
+ depsmeta,
+ SLBT_SYSTEM_ERROR(dctx,0));
+ }
+ }
+
+ return 0;
+}
+
+static void slbt_emit_fdwrap_dl_path_fixup(
+ char * cwd,
+ char * dpfixup,
+ size_t dpfixup_size,
+ char * wrapper)
+{
+ char * p;
+ char * q;
+ char * wrapper_dname;
+
+ /* obtain cwd-relative directory name of wrapper */
+ for (p=cwd,q=wrapper; *p && *q && (*p==*q); p++,q++)
+ (void)0;
+
+ wrapper_dname = (*q == '/') ? (q + 1) : q;
+
+ dpfixup[0] = 0; strncat(dpfixup,"${0%/*}",dpfixup_size - 1);
+
+ /* append parent directory fixup for each level of depth in wrapper_dname */
+ for (p=wrapper_dname,q=NULL; *p; ) {
+ if ((p[0] == '.') && (p[1] == '/')) {
+ p++; p++;
+ } else if ((q = strchr(p, '/'))) {
+ strncat(dpfixup,"/..",dpfixup_size-1); p = (q + 1);
+ } else {
+ break;
+ }
+ }
+
+ strncat(dpfixup,"/",dpfixup_size-1);
+}
+
static int slbt_exec_link_adjust_argument_vector(
const struct slbt_driver_ctx * dctx,
struct slbt_exec_ctx * ectx,
@@ -326,7 +414,6 @@ static int slbt_exec_link_adjust_argument_vector(
bool flibrary)
{
int fd;
- int fdwrap;
int fdcwd;
char ** carg;
char ** aarg;
@@ -348,6 +435,7 @@ static int slbt_exec_link_adjust_argument_vector(
size_t dlen;
struct slbt_map_info * mapinfo;
bool fwholearchive = false;
+ int ret;
for (argc=0,carg=ectx->cargv; *carg; carg++)
argc++;
@@ -474,16 +562,12 @@ static int slbt_exec_link_adjust_argument_vector(
mark = strrchr(*carg,'/');
*mark = 0;
- if ((fdwrap = slbt_exec_get_fdwrapper(ectx)) >= 0) {
- *slash = 0;
-
- if (slbt_dprintf(fdwrap,
- "DL_PATH=\"${DL_PATH}${COLON}%s%s%s\"\n"
- "COLON=':'\n\n",
- ((arg[0] == '/') ? "" : cwd),((arg[0] == '/') ? "" : "/"),arg) < 0)
- return slbt_exec_link_exit(
- depsmeta,
- SLBT_SYSTEM_ERROR(dctx,0));
+ *slash = 0;
+ if ((ret = slbt_emit_fdwrap_amend_dl_path(dctx,ectx,depsmeta,
+ "%s%s%s",
+ ((arg[0] == '/') ? "" : cwd),
+ ((arg[0] == '/') ? "" : "/"),arg)) < 0) {
+ return ret;
}
*aarg++ = *carg++;
@@ -557,24 +641,14 @@ static int slbt_exec_link_adjust_argument_vector(
darg += strlen(darg);
darg++;
- if ((fdwrap = slbt_exec_get_fdwrapper(ectx)) >= 0) {
- if (slbt_dprintf(fdwrap,
- "DL_PATH=\"${DL_PATH}${COLON}%s/%s\"\n"
- "COLON=':'\n\n",
- lib,depdir) < 0)
- return slbt_exec_link_exit(
- depsmeta,
- SLBT_SYSTEM_ERROR(dctx,0));
+ if ((ret = slbt_emit_fdwrap_amend_dl_path(
+ dctx,ectx,depsmeta,"%s/%s",lib,depdir)) < 0) {
+ return ret;
}
} else if ((mark[0] == '-') && (mark[1] == 'L')) {
- if ((fdwrap = slbt_exec_get_fdwrapper(ectx)) >= 0) {
- if (slbt_dprintf(fdwrap,
- "DL_PATH=\"${DL_PATH}${COLON}%s\"\n"
- "COLON=':'\n\n",
- &mark[2]) < 0)
- return slbt_exec_link_exit(
- depsmeta,
- SLBT_SYSTEM_ERROR(dctx,0));
+ if ((ret = slbt_emit_fdwrap_amend_dl_path(
+ dctx,ectx,depsmeta,"%s",&mark[2])) < 0) {
+ return ret;
}
}
}
@@ -814,6 +888,7 @@ static int slbt_exec_link_create_dep_file(
size_t size;
size_t slen;
char deplib [PATH_MAX];
+ bool is_reladir;
char reladir[PATH_MAX];
char depfile[PATH_MAX];
struct stat st;
@@ -872,8 +947,10 @@ static int slbt_exec_link_create_dep_file(
return SLBT_BUFFER_ERROR(dctx);
}
+ is_reladir = true;
reladir[base - *parg - 1] = 0;
} else {
+ is_reladir = false;
reladir[0] = '.';
reladir[1] = 0;
}
@@ -897,7 +974,7 @@ static int slbt_exec_link_create_dep_file(
fnodeps = farchive && fdyndep;
/* [-L... as needed] */
- if (fdyndep && (base > *parg) && (ectx->ldirdepth >= 0)) {
+ if (fdyndep && (ectx->ldirdepth >= 0)) {
if (slbt_dprintf(deps,"-L") < 0) {
close(deps);
return SLBT_SYSTEM_ERROR(dctx,0);
@@ -910,7 +987,9 @@ static int slbt_exec_link_create_dep_file(
}
}
- if (slbt_dprintf(deps,"%s/.libs\n",reladir) < 0) {
+ if (slbt_dprintf(deps,"%s%s.libs\n",
+ (is_reladir ? reladir : ""),
+ (is_reladir ? "/" : "")) < 0) {
close(deps);
return SLBT_SYSTEM_ERROR(dctx,0);
}
@@ -1480,6 +1559,7 @@ static int slbt_exec_link_create_executable(
char * base;
char * ccwrap;
char cwd [PATH_MAX];
+ char dpfixup[PATH_MAX];
char output [PATH_MAX];
char wrapper[PATH_MAX];
char wraplnk[PATH_MAX];
@@ -1534,6 +1614,15 @@ static int slbt_exec_link_create_executable(
/* executable wrapper: header */
verinfo = slbt_source_version();
+ /* cwd, DL_PATH fixup */
+ if (!getcwd(cwd,sizeof(cwd))) {
+ return SLBT_SYSTEM_ERROR(dctx,0);
+ } else {
+ slbt_emit_fdwrap_dl_path_fixup(
+ cwd,dpfixup,sizeof(dpfixup),
+ wrapper);
+ }
+
if (slbt_dprintf(fdwrap,
"#!/bin/sh\n"
"# libtool compatible executable wrapper\n"
@@ -1548,12 +1637,14 @@ static int slbt_exec_link_create_executable(
"\tDL_PATH=\n"
"\tCOLON=\n"
"\tLCOLON=':'\n"
- "fi\n\n",
+ "fi\n\n"
+ "DL_PATH_FIXUP=\"%s\";\n\n",
dctx->program,
verinfo->major,verinfo->minor,verinfo->revision,
verinfo->commit,
- dctx->cctx->settings.ldpathenv) < 0)
+ dctx->cctx->settings.ldpathenv,
+ dpfixup) < 0)
return SLBT_SYSTEM_ERROR(dctx,0);
/* output */
@@ -1569,10 +1660,6 @@ static int slbt_exec_link_create_executable(
if (dctx->cctx->drvflags & SLBT_DRIVER_ALL_STATIC)
*ectx->dpic = "-static";
- /* cwd */
- if (!getcwd(cwd,sizeof(cwd)))
- return SLBT_SYSTEM_ERROR(dctx,0);
-
/* .libs/libfoo.so --> -L.libs -lfoo */
if (slbt_exec_link_adjust_argument_vector(
dctx,ectx,&depsmeta,cwd,false))
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 13:31:06 +0000