File ld/emultempl/spuelf.em makes usage of fork and exec to call programms.
Included patch changes to use libiberty's pex_one instead.
fork and exec is not available on all host platforms supported by GNU
toolchain. I found this bug when trying to building mingw32 hosted toolchain.
--- src-patched1/ld/emultempl/spuelf.em 2009-03-03 09:46:34.000000000 +0100
+++ src/ld/emultempl/spuelf.em 2009-03-04 11:08:54.000000000 +0100
@@ -362,9 +362,9 @@ EOF
if grep -q 'ld_elf.*ppc.*_emulation' ldemul-list.h; then
fragment <<EOF
+#include <errno.h>
#include "filenames.h"
-#include <fcntl.h>
-#include <sys/wait.h>
+#include "libiberty.h"
static const char *
base_name (const char *path)
@@ -397,11 +397,11 @@ bfd_boolean
embedded_spu_file (lang_input_statement_type *entry, const char *flags)
{
const char *cmd[6];
+ const char *pex_return;
const char *sym;
char *handle, *p;
char *oname;
int fd;
- pid_t pid;
int status;
union lang_statement_union **old_stat_tail;
union lang_statement_union **old_file_tail;
@@ -444,8 +444,6 @@ embedded_spu_file (lang_input_statement_
}
}
- /* Use fork() and exec() rather than system() so that we don't
- need to worry about quoting args. */
cmd[0] = EMBEDSPU;
cmd[1] = flags;
cmd[2] = handle;
@@ -459,30 +457,23 @@ embedded_spu_file (lang_input_statement_
fflush (stdout);
}
- pid = fork ();
- if (pid == -1)
- return FALSE;
- if (pid == 0)
- {
- execvp (cmd[0], (char *const *) cmd);
+ pex_return = pex_one (PEX_SEARCH | PEX_LAST, cmd[0], (char *const *) cmd,
+ cmd[0], NULL, NULL, &status, &errno);
+ if (NULL != pex_return) {
if (strcmp ("embedspu", EMBEDSPU) != 0)
{
cmd[0] = "embedspu";
- execvp (cmd[0], (char *const *) cmd);
+ pex_return = pex_one (PEX_SEARCH | PEX_LAST, cmd[0], (char *const *) cmd,
+ cmd[0], NULL, NULL, &status, &errno);
}
- perror (cmd[0]);
- _exit (127);
- }
-#ifdef HAVE_WAITPID
-#define WAITFOR(PID, STAT) waitpid (PID, STAT, 0)
-#else
-#define WAITFOR(PID, STAT) wait (STAT)
-#endif
- if (WAITFOR (pid, &status) != pid
- || !WIFEXITED (status)
- || WEXITSTATUS (status) != 0)
+ if (NULL != pex_return) {
+ perror (pex_return);
+ _exit (127);
+ }
+ }
+ if (status)
return FALSE;
-#undef WAITFOR
+
old_stat_tail = stat_ptr->tail;
old_file_tail = input_file_chain.tail;
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