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authormidipix <writeonce@midipix.org>2018-07-18 00:48:51 -0400
committermidipix <writeonce@midipix.org>2018-07-18 01:38:43 -0400
commit2fd6a31c2ec97f4e84c02ce4f16580d2db1bc99d (patch)
treec3cd221adfda7b6b6e14e223881d48a80713c072 /src/logic/slbt_exec_link.c
parent93203115cf5433ddf625861a8b017368cae1416c (diff)
downloadslibtool-2fd6a31c2ec97f4e84c02ce4f16580d2db1bc99d.tar.bz2
slibtool-2fd6a31c2ec97f4e84c02ce4f16580d2db1bc99d.tar.xz
slbt_adjust_object_argument(): support validly alternate (non-)pic objects.
Diffstat (limited to 'src/logic/slbt_exec_link.c')
-rw-r--r--src/logic/slbt_exec_link.c74
1 files changed, 57 insertions, 17 deletions
diff --git a/src/logic/slbt_exec_link.c b/src/logic/slbt_exec_link.c
index 647abd2..2f97c32 100644
--- a/src/logic/slbt_exec_link.c
+++ b/src/logic/slbt_exec_link.c
@@ -151,7 +151,9 @@ static int slbt_get_deps_meta(
static bool slbt_adjust_object_argument(
char * arg,
- bool fpic)
+ bool fpic,
+ bool fany,
+ int fdcwd)
{
char * slash;
char * dot;
@@ -160,27 +162,56 @@ static bool slbt_adjust_object_argument(
if (*arg == '-')
return false;
+ /* object argument: foo.lo or foo.o */
if (!(dot = strrchr(arg,'.')))
return false;
- if (strcmp(dot,".lo"))
+ if ((dot[1]=='l') && (dot[2]=='o') && !dot[3]) {
+ dot[1] = 'o';
+ dot[2] = 0;
+
+ } else if ((dot[1]=='o') && !dot[2]) {
+ (void)0;
+
+ } else {
return false;
+ }
- if (fpic) {
- if ((slash = strrchr(arg,'/')))
- slash++;
- else
- slash = arg;
+ /* foo.o requested and is present? */
+ if (!fpic && !faccessat(fdcwd,arg,0,0))
+ return true;
- if ((size_t)snprintf(base,sizeof(base),"%s",
- slash) >= sizeof(base))
- return false;
+ /* .libs/foo.o */
+ if ((slash = strrchr(arg,'/')))
+ slash++;
+ else
+ slash = arg;
- sprintf(slash,".libs/%s",base);
- dot = strrchr(arg,'.');
+ if ((size_t)snprintf(base,sizeof(base),"%s",
+ slash) >= sizeof(base))
+ return false;
+
+ sprintf(slash,".libs/%s",base);
+
+ if (!faccessat(fdcwd,arg,0,0))
+ return true;
+
+ /* foo.o requested and neither is present? */
+ if (!fpic) {
+ strcpy(slash,base);
+ return true;
}
- strcpy(dot,".o");
+ /* .libs/foo.o explicitly requested and is not present? */
+ if (!fany)
+ return true;
+
+ /* use foo.o in place of .libs/foo.o */
+ strcpy(slash,base);
+
+ if (faccessat(fdcwd,arg,0,0))
+ sprintf(slash,".libs/%s",base);
+
return true;
}
@@ -1049,6 +1080,7 @@ static int slbt_exec_link_create_archive(
bool fpic,
bool fprimary)
{
+ int fdcwd;
char ** aarg;
char ** parg;
char * base;
@@ -1084,14 +1116,18 @@ static int slbt_exec_link_create_archive(
dctx->cctx->host.ar) >= sizeof(program))
return SLBT_BUFFER_ERROR(dctx);
+
+ /* fdcwd */
+ fdcwd = slbt_driver_fdcwd(dctx);
+
+ /* input argument adjustment */
aarg = ectx->altv;
*aarg++ = program;
*aarg++ = "crs";
*aarg++ = output;
- /* input argument adjustment */
for (parg=ectx->cargv; *parg; parg++)
- if (slbt_adjust_object_argument(*parg,fpic))
+ if (slbt_adjust_object_argument(*parg,fpic,!fpic,fdcwd))
*aarg++ = *parg;
*aarg = 0;
@@ -1154,6 +1190,7 @@ static int slbt_exec_link_create_library(
const char * dsofilename,
const char * relfilename)
{
+ int fdcwd;
char ** parg;
char ** xarg;
char cwd [PATH_MAX];
@@ -1168,9 +1205,12 @@ static int slbt_exec_link_create_library(
/* placeholders */
slbt_reset_placeholders(ectx);
+ /* fdcwd */
+ fdcwd = slbt_driver_fdcwd(dctx);
+
/* input argument adjustment */
for (parg=ectx->cargv; *parg; parg++)
- slbt_adjust_object_argument(*parg,true);
+ slbt_adjust_object_argument(*parg,true,false,fdcwd);
/* .deps */
if (slbt_exec_link_create_dep_file(
@@ -1350,7 +1390,7 @@ static int slbt_exec_link_create_executable(
/* input argument adjustment */
for (parg=ectx->cargv; *parg; parg++)
- slbt_adjust_object_argument(*parg,fpic);
+ slbt_adjust_object_argument(*parg,fpic,true,fdcwd);
/* linker argument adjustment */
for (parg=ectx->cargv, xarg=ectx->xargv; *parg; parg++, xarg++)