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re PR other/46789 (go configuration with --prefix=/usr pollutes the /usr/lib namespace)

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PR other/46789
	PR bootstrap/46812
	* go-lang.c (go_char_p): Define type and vectors.
	(go_search_dirs): New static variable.
	(go_langhook_handle_option): Use version and version/machine
	directories for -L.
	(go_langhook_post_options): Add non-specific -L paths.
	* Make-lang.in (go/go-lang.o): Define DEFAULT_TARGET_VERSION and
	DEFAULT_TARGET_MACHINE when compiling.
	* gccgo.texi (Invoking gccgo): Only document -L for linking.
	(Import and Export): Don't mention -L for finding import files.

libgo: Install .gox files in version and target specific directory.

From-SVN: r167537
This commit is contained in:
Ian Lance Taylor 2010-12-07 14:18:35 +00:00 • committed by Ian Lance Taylor
parent 501c95ff05
commit ac819ba59a
6 changed files with 521 additions and 434 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
gcc/go/ChangeLog
View file

@ -1,3 +1,17 @@
2010-12-06 Ian Lance Taylor <iant@google.com>
PR other/46789
PR bootstrap/46812
* go-lang.c (go_char_p): Define type and vectors.
(go_search_dirs): New static variable.
(go_langhook_handle_option): Use version and version/machine
directories for -L.
(go_langhook_post_options): Add non-specific -L paths.
* Make-lang.in (go/go-lang.o): Define DEFAULT_TARGET_VERSION and
DEFAULT_TARGET_MACHINE when compiling.
* gccgo.texi (Invoking gccgo): Only document -L for linking.
(Import and Export): Don't mention -L for finding import files.
2010-12-03 Ian Lance Taylor <iant@google.com>
PR bootstrap/46776

12
gcc/go/Make-lang.in
View file

@ -218,10 +218,16 @@ GO_IMPORT_H = go/gofrontend/import.h go/gofrontend/export.h
go/go-backend.o: go/go-backend.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
$(TREE_H) $(TM_H) $(TM_P_H)
go/go-lang.o: go/go-lang.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(OPTS_H) \
$(TREE_H) $(GIMPLE_H) $(GGC_H) $(TOPLEV_H) debug.h options.h \
$(FLAGS_H) convert.h $(DIAGNOSTIC_H) langhooks.h $(LANGHOOKS_DEF_H) \
$(EXCEPT_H) $(TARGET_H) $(GO_C_H) gt-go-go-lang.h gtype-go.h
$(TREE_H) $(GIMPLE_H) $(GGC_H) $(TOPLEV_H) debug.h options.h \
$(FLAGS_H) convert.h $(DIAGNOSTIC_H) langhooks.h \
$(LANGHOOKS_DEF_H) $(EXCEPT_H) $(TARGET_H) $(GO_C_H) \
gt-go-go-lang.h gtype-go.h
$(COMPILER) $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) \
-DDEFAULT_TARGET_VERSION=\"$(version)\" \
-DDEFAULT_TARGET_MACHINE=\"$(target_noncanonical)\" \
-c $< $(OUTPUT_OPTION)
GOINCLUDES = -I $(srcdir)/go -I $(srcdir)/go/gofrontend

13
gcc/go/gccgo.texi
View file

@ -154,8 +154,8 @@ compile time.
@item -L@var{dir}
@cindex @option{-L}
When compiling, synonymous with @option{-I}. When linking, specify a
library search directory, as with @command{gcc}.
When linking, specify a library search directory, as with
@command{gcc}.
@item -fgo-prefix=@var{string}
@cindex @option{-fgo-prefix}
@ -198,11 +198,10 @@ first one that it finds.
@end table
The compiler will search for these files in the directories named by
any @option{-I} or @option{-L} options, in order in which the
directories appear on the command line. The compiler will then search
several standard system directories. Finally the compiler will search
the current directory (to search the current directory earlier, use
@samp{-I.}).
any @option{-I} options, in order in which the directories appear on
the command line. The compiler will then search several standard
system directories. Finally the compiler will search the current
directory (to search the current directory earlier, use @samp{-I.}).
The compiler will extract the export information directly from the
compiled object file. The file @file{@var{gopackage}.gox} will

61
gcc/go/go-lang.c
View file

@ -162,6 +162,17 @@ go_langhook_init_options_struct (struct gcc_options *opts)
opts->x_flag_non_call_exceptions = 1;
}
/* Infrastructure for a VEC of char * pointers. */
typedef const char *go_char_p;
DEF_VEC_P(go_char_p);
DEF_VEC_ALLOC_P(go_char_p, heap);
/* The list of directories to search after all the Go specific
directories have been searched. */
static VEC(go_char_p, heap) *go_search_dirs;
/* Handle Go specific options. Return 0 if we didn't do anything. */
static bool
@ -179,13 +190,47 @@ go_langhook_handle_option (
switch (code)
{
case OPT_I:
case OPT_L:
/* For the compiler, we currently handle -I and -L exactly the
same way: they give us a directory to search for import
statements. */
go_add_search_path (arg);
break;
case OPT_L:
/* A -L option is assumed to come from the compiler driver.
This is a system directory. We search the following
directories, if they exist, before this one:
dir/go/VERSION
dir/go/VERSION/MACHINE
This is like include/c++. */
{
static const char dir_separator_str[] = { DIR_SEPARATOR, 0 };
size_t len;
char *p;
struct stat st;
len = strlen (arg);
p = XALLOCAVEC (char,
(len + sizeof "go" + sizeof DEFAULT_TARGET_VERSION
+ sizeof DEFAULT_TARGET_MACHINE + 3));
strcpy (p, arg);
if (len > 0 && !IS_DIR_SEPARATOR (p[len - 1]))
strcat (p, dir_separator_str);
strcat (p, "go");
strcat (p, dir_separator_str);
strcat (p, DEFAULT_TARGET_VERSION);
if (stat (p, &st) == 0 && S_ISDIR (st.st_mode))
{
go_add_search_path (p);
strcat (p, dir_separator_str);
strcat (p, DEFAULT_TARGET_MACHINE);
if (stat (p, &st) == 0 && S_ISDIR (st.st_mode))
go_add_search_path (p);
}
/* Search ARG too, but only after we've searched to Go
specific directories for all -L arguments. */
VEC_safe_push (go_char_p, heap, go_search_dirs, arg);
}
break;
case OPT_fgo_dump_:
ret = go_enable_dump (arg) ? true : false;
break;
@ -207,8 +252,16 @@ go_langhook_handle_option (
static bool
go_langhook_post_options (const char **pfilename ATTRIBUTE_UNUSED)
{
unsigned int ix;
const char *dir;
gcc_assert (num_in_fnames > 0);
FOR_EACH_VEC_ELT (go_char_p, go_search_dirs, ix, dir)
go_add_search_path (dir);
VEC_free (go_char_p, heap, go_search_dirs);
go_search_dirs = NULL;
if (flag_excess_precision_cmdline == EXCESS_PRECISION_DEFAULT)
flag_excess_precision_cmdline = EXCESS_PRECISION_STANDARD;

82
libgo/Makefile.am
View file

@ -15,6 +15,8 @@ endif
SUBDIRS = ${subdirs}
gcc_version := $(shell cat $(top_srcdir)/../gcc/BASE-VER)
MAINT_CHARSET = latin1
mkinstalldirs = $(SHELL) $(toplevel_srcdir)/mkinstalldirs
@ -95,7 +97,9 @@ FLAGS_TO_PASS = $(AM_MAKEFLAGS)
toolexeclib_LTLIBRARIES = libgo.la
toolexeclib_LIBRARIES = libgobegin.a
toolexeclib_DATA = \
toolexeclibgodir = $(toolexeclibdir)/go/$(gcc_version)/$(target_alias)
toolexeclibgo_DATA = \
asn1.gox \
big.gox \
bufio.gox \
@ -145,30 +149,30 @@ toolexeclib_DATA = \
websocket.gox \
xml.gox
toolexeclibarchivedir = $(toolexeclibdir)/archive
toolexeclibgoarchivedir = $(toolexeclibgodir)/archive
toolexeclibarchive_DATA = \
toolexeclibgoarchive_DATA = \
archive/tar.gox \
archive/zip.gox
toolexeclibcompressdir = $(toolexeclibdir)/compress
toolexeclibgocompressdir = $(toolexeclibgodir)/compress
toolexeclibcompress_DATA = \
toolexeclibgocompress_DATA = \
compress/flate.gox \
compress/gzip.gox \
compress/zlib.gox
toolexeclibcontainerdir = $(toolexeclibdir)/container
toolexeclibgocontainerdir = $(toolexeclibgodir)/container
toolexeclibcontainer_DATA = \
toolexeclibgocontainer_DATA = \
container/heap.gox \
container/list.gox \
container/ring.gox \
container/vector.gox
toolexeclibcryptodir = $(toolexeclibdir)/crypto
toolexeclibgocryptodir = $(toolexeclibgodir)/crypto
toolexeclibcrypto_DATA = \
toolexeclibgocrypto_DATA = \
crypto/aes.gox \
crypto/block.gox \
crypto/blowfish.gox \
@ -189,9 +193,9 @@ toolexeclibcrypto_DATA = \
crypto/x509.gox \
crypto/xtea.gox
toolexeclibdebugdir = $(toolexeclibdir)/debug
toolexeclibgodebugdir = $(toolexeclibgodir)/debug
toolexeclibdebug_DATA = \
toolexeclibgodebug_DATA = \
debug/dwarf.gox \
debug/elf.gox \
debug/gosym.gox \
@ -199,9 +203,9 @@ toolexeclibdebug_DATA = \
debug/pe.gox \
debug/proc.gox
toolexeclibencodingdir = $(toolexeclibdir)/encoding
toolexeclibgoencodingdir = $(toolexeclibgodir)/encoding
toolexeclibencoding_DATA = \
toolexeclibgoencoding_DATA = \
encoding/ascii85.gox \
encoding/base64.gox \
encoding/binary.gox \
@ -209,16 +213,16 @@ toolexeclibencoding_DATA = \
encoding/hex.gox \
encoding/pem.gox
toolexeclibexpdir = $(toolexeclibdir)/exp
toolexeclibgoexpdir = $(toolexeclibgodir)/exp
toolexeclibexp_DATA = \
toolexeclibgoexp_DATA = \
exp/datafmt.gox \
exp/draw.gox \
exp/eval.gox
toolexeclibgodir = $(toolexeclibdir)/go
toolexeclibgogodir = $(toolexeclibgodir)/go
toolexeclibgo_DATA = \
toolexeclibgogo_DATA = \
go/ast.gox \
go/doc.gox \
go/parser.gox \
@ -227,63 +231,63 @@ toolexeclibgo_DATA = \
go/token.gox \
go/typechecker.gox
toolexeclibhashdir = $(toolexeclibdir)/hash
toolexeclibgohashdir = $(toolexeclibgodir)/hash
toolexeclibhash_DATA = \
toolexeclibgohash_DATA = \
hash/adler32.gox \
hash/crc32.gox \
hash/crc64.gox
toolexeclibhttpdir = $(toolexeclibdir)/http
toolexeclibgohttpdir = $(toolexeclibgodir)/http
toolexeclibhttp_DATA = \
toolexeclibgohttp_DATA = \
http/pprof.gox
toolexeclibimagedir = $(toolexeclibdir)/image
toolexeclibgoimagedir = $(toolexeclibgodir)/image
toolexeclibimage_DATA = \
toolexeclibgoimage_DATA = \
image/jpeg.gox \
image/png.gox
toolexeclibindexdir = $(toolexeclibdir)/index
toolexeclibgoindexdir = $(toolexeclibgodir)/index
toolexeclibindex_DATA = \
toolexeclibgoindex_DATA = \
index/suffixarray.gox
toolexeclibiodir = $(toolexeclibdir)/io
toolexeclibgoiodir = $(toolexeclibgodir)/io
toolexeclibio_DATA = \
toolexeclibgoio_DATA = \
io/ioutil.gox
toolexeclibmimedir = $(toolexeclibdir)/mime
toolexeclibgomimedir = $(toolexeclibgodir)/mime
toolexeclibmime_DATA = \
toolexeclibgomime_DATA = \
mime/multipart.gox
toolexeclibnetdir = $(toolexeclibdir)/net
toolexeclibgonetdir = $(toolexeclibgodir)/net
toolexeclibnet_DATA = \
toolexeclibgonet_DATA = \
net/dict.gox \
net/textproto.gox
toolexeclibosdir = $(toolexeclibdir)/os
toolexeclibgoosdir = $(toolexeclibgodir)/os
toolexeclibos_DATA = \
toolexeclibgoos_DATA = \
os/signal.gox
toolexeclibrpcdir = $(toolexeclibdir)/rpc
toolexeclibgorpcdir = $(toolexeclibgodir)/rpc
toolexeclibrpc_DATA = \
toolexeclibgorpc_DATA = \
rpc/jsonrpc.gox
toolexeclibruntimedir = $(toolexeclibdir)/runtime
toolexeclibgoruntimedir = $(toolexeclibgodir)/runtime
toolexeclibruntime_DATA = \
toolexeclibgoruntime_DATA = \
runtime/pprof.gox
toolexeclibtestingdir = $(toolexeclibdir)/testing
toolexeclibgotestingdir = $(toolexeclibgodir)/testing
toolexeclibtesting_DATA = \
toolexeclibgotesting_DATA = \
testing/iotest.gox \
testing/quick.gox \
testing/script.gox

773
libgo/Makefile.in
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