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cppdefault.c (cpp_EXEC_PREFIX): New variable.

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* cppdefault.c (cpp_EXEC_PREFIX): New variable.
	* cppdefault.h (cpp_PREFIX): Document.
	(cpp_PREFIX_len): Likewise.
	(cpp_EXEC_PREFIX): New variable.
	* Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
	* c-incpath.c (add_standard_paths): Correct logic for relocating
	paths within prefix.

From-SVN: r122843
This commit is contained in:
Mark Mitchell 2007-03-12 15:59:06 +00:00 committed by Mark Mitchell
parent 91b0b94a04
commit 6d4817e374
5 changed files with 40 additions and 5 deletions
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10
gcc/ChangeLog
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@ -1,3 +1,13 @@
2007-03-12 Mark Mitchell <mark@codesourcery.com>
* cppdefault.c (cpp_EXEC_PREFIX): New variable.
* cppdefault.h (cpp_PREFIX): Document.
(cpp_PREFIX_len): Likewise.
(cpp_EXEC_PREFIX): New variable.
* Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
* c-incpath.c (add_standard_paths): Correct logic for relocating
paths within prefix.
2007-03-12 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from

1
gcc/Makefile.in
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@ -3210,6 +3210,7 @@ PREPROCESSOR_DEFINES = \
-DCROSS_INCLUDE_DIR=\"$(CROSS_SYSTEM_HEADER_DIR)\" \
-DTOOL_INCLUDE_DIR=\"$(gcc_tooldir)/include\" \
-DPREFIX=\"$(prefix)\" \
-DSTANDARD_EXEC_PREFIX=\"$(libdir)/gcc\" \
@TARGET_SYSTEM_ROOT_DEFINE@
cppdefault.o: cppdefault.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \

25
gcc/c-incpath.c
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@ -167,11 +167,26 @@ add_standard_paths (const char *sysroot, const char *iprefix,
else if (!p->add_sysroot && relocated
&& strncmp (p->fname, cpp_PREFIX, cpp_PREFIX_len) == 0)
{
/* If the compiler is relocated, and this is a configured
prefix relative path, then we use gcc_exec_prefix instead
of the configured prefix. */
str = concat (gcc_exec_prefix, p->fname
+ cpp_PREFIX_len, NULL);
static const char *relocated_prefix;
/* If this path starts with the configure-time prefix,
but the compiler has been relocated, replace it
with the run-time prefix. The run-time exec prefix
is GCC_EXEC_PREFIX. Compute the path from there back
to the toplevel prefix. */
if (!relocated_prefix)
{
char *dummy;
/* Make relative prefix expects the first argument
to be a program, not a directory. */
dummy = concat (gcc_exec_prefix, "dummy", NULL);
relocated_prefix
= make_relative_prefix (dummy,
cpp_EXEC_PREFIX,
cpp_PREFIX);
}
str = concat (relocated_prefix,
p->fname + cpp_PREFIX_len,
NULL);
str = update_path (str, p->component);
}
else

1
gcc/cppdefault.c
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@ -112,6 +112,7 @@ const size_t cpp_GCC_INCLUDE_DIR_len = 0;
/* The configured prefix. */
const char cpp_PREFIX[] = PREFIX;
const size_t cpp_PREFIX_len = sizeof PREFIX - 1;
const char cpp_EXEC_PREFIX[] = STANDARD_EXEC_PREFIX;
/* This value is set by cpp_relocated at runtime */
const char *gcc_exec_prefix;

8
gcc/cppdefault.h
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@ -52,8 +52,16 @@ extern const struct default_include cpp_include_defaults[];
extern const char cpp_GCC_INCLUDE_DIR[];
extern const size_t cpp_GCC_INCLUDE_DIR_len;
/* The configure-time prefix, i.e., the value supplied as the argument
to --prefix=. */
extern const char cpp_PREFIX[];
/* The length of the configure-time prefix. */
extern const size_t cpp_PREFIX_len;
/* The configure-time execution prefix. This is typically the lib/gcc
subdirectory of cpp_PREFIX. */
extern const char cpp_EXEC_PREFIX[];
/* The run-time execution prefix. This is typically the lib/gcc
subdirectory of the actual installation. */
extern const char *gcc_exec_prefix;
/* Return true if the toolchain is relocated. */