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re PR driver/38381 (-b option seems to be broken) 

PR driver/38381
	* gcc.c (process_command): Accept also -b with configuration name
	in the next argument.
	* doc/invoke.texi (-b): Document that no hyphen is required if
	configuration name is in the next argument after -b.

From-SVN: r142947
This commit is contained in:
Jakub Jelinek 2008-12-29 09:32:21 +01:00 committed by Jakub Jelinek
parent 19bb3aa5c5
commit d41d8140d2
3 changed files with 19 additions and 6 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2008-12-29 Jakub Jelinek <jakub@redhat.com>
PR driver/38381
* gcc.c (process_command): Accept also -b with configuration name
in the next argument.
* doc/invoke.texi (-b): Document that no hyphen is required if
configuration name is in the next argument after -b.
2008-12-27 Jakub Jelinek <jakub@redhat.com>
PR middle-end/38641

3
gcc/doc/invoke.texi
View File

@ -8601,7 +8601,8 @@ example, if a cross-compiler was configured with @samp{configure
arm-elf}, meaning to compile for an arm processor with elf binaries,
then you would specify @option{-b arm-elf} to run that cross compiler.
Because there are other options beginning with @option{-b}, the
configuration must contain a hyphen.
configuration must contain a hyphen, or @option{-b} alone should be one
argument followed by the configuration in the next argument.
@item -V @var{version}
@opindex V

14
gcc/gcc.c
View File

@ -3371,8 +3371,10 @@ process_command (int argc, const char **argv)
Use heuristic that all configuration names must have at least
one dash '-'. This allows us to pass options starting with -b. */
if (argc > 1 && argv[1][0] == '-'
&& (argv[1][1] == 'V' ||
((argv[1][1] == 'b') && (NULL != strchr(argv[1] + 2,'-')))))
&& (argv[1][1] == 'V'
|| (argv[1][1] == 'b'
&& (argv[1][2] == '\0'
|| NULL != strchr (argv[1] + 2, '-')))))
{
const char *new_version = DEFAULT_TARGET_VERSION;
const char *new_machine = DEFAULT_TARGET_MACHINE;
@ -3382,8 +3384,10 @@ process_command (int argc, const char **argv)
int baselen;
while (argc > 1 && argv[1][0] == '-'
&& (argv[1][1] == 'V' ||
((argv[1][1] == 'b') && ( NULL != strchr(argv[1] + 2,'-')))))
&& (argv[1][1] == 'V'
|| (argv[1][1] == 'b'
&& (argv[1][2] == '\0'
|| NULL != strchr (argv[1] + 2, '-')))))
{
char opt = argv[1][1];
const char *arg;
@ -3842,7 +3846,7 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n"
switch (c)
{
case 'b':
if (NULL == strchr(argv[i] + 2, '-'))
if (p[1] && NULL == strchr (argv[i] + 2, '-'))
goto normal_switch;
/* Fall through. */