diff options
author | thorpej <thorpej@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-11-26 00:31:31 +0000 |
---|---|---|
committer | thorpej <thorpej@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-11-26 00:31:31 +0000 |
commit | 68d74c02e713f767c110e40e67a5a912a1a49c8a (patch) | |
tree | fb57bd2526716f6ab368a2f04bc887feb665ac9b /gcc/gcc.c | |
parent | 5eeaefacd3d5e8fc69575b6c8ef06cb0171607d7 (diff) | |
download | gcc-68d74c02e713f767c110e40e67a5a912a1a49c8a.tar.gz |
* gcc.c (static_spec_functions): Add if-exists-else spec
function.
(if_exists_else_spec_function): New function.
* doc/invoke.texi: Document the if-exists-else spec function.
* config/netbsd-elf.h (NETBSD_STARTFILE_SPEC): For -static, use
"%:if-exists-else(crtbeginT%O%s crtbegin%O%s)".
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@59480 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/gcc.c')
-rw-r--r-- | gcc/gcc.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/gcc.c b/gcc/gcc.c index a193437c569..d7ec1260f80 100644 --- a/gcc/gcc.c +++ b/gcc/gcc.c @@ -328,6 +328,7 @@ static const char *convert_filename PARAMS ((const char *, int, int)); #endif static const char *if_exists_spec_function PARAMS ((int, const char **)); +static const char *if_exists_else_spec_function PARAMS ((int, const char **)); /* The Specs Language @@ -1451,6 +1452,7 @@ static struct spec_list *specs = (struct spec_list *) 0; static const struct spec_function static_spec_functions[] = { { "if-exists", if_exists_spec_function }, + { "if-exists-else", if_exists_else_spec_function }, { 0, 0 } }; @@ -7264,3 +7266,23 @@ if_exists_spec_function (argc, argv) return NULL; } + +/* if-exists-else built-in spec function. + + This is like if-exists, but takes an additional argument which + is returned if the first argument does not exist. */ + +static const char * +if_exists_else_spec_function (argc, argv) + int argc; + const char **argv; +{ + /* Must have exactly two arguments. */ + if (argc != 2) + return NULL; + + if (IS_ABSOLUTE_PATHNAME (argv[0]) && ! access (argv[0], R_OK)) + return argv[0]; + + return argv[1]; +} |