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authorRoland McGrath <roland@gnu.org>2005-02-11 10:17:19 +0000
committerRoland McGrath <roland@gnu.org>2005-02-11 10:17:19 +0000
commit3e1e123d02fa495961898f390741bd743a92022d (patch)
treeed5b2fddac71558294faac14742a16f723643746
parent9b382805e29a41abca88de8cd0348958d90f724f (diff)
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* Makefile (installed-stubs): New variable. Set to $(inst_includedir)/gnu/stubs.h if $(biarch) is no, or to $(inst_includedir)/gnu/stubs-$(biarch).h if otherwise. [$(biarch) != no] (install-others-nosubdir): Add $(installed-stubs). ($(inst_includedir)/gnu/stubs.h): Use $(installed-stubs) for this rule's target. ($(inst_includedir)/gnu/stubs.h): New target, install from ... * include/stubs-biarch.h: New file. * shlib-versions (i.86-.*-.*): Add WORDSIZE64 line mapping to x86_64. * Makeconfig ($(common-objpfx)soversions.mk): Depend on Makeconfig. Emit defn for variable `biarch'. * include/stub-tag.h: Update comment.
-rw-r--r--ChangeLog17
-rw-r--r--Makeconfig12
-rw-r--r--Makefile14
-rw-r--r--include/stub-tag.h7
-rw-r--r--include/stubs-biarch.h12
-rw-r--r--shlib-versions1
6 files changed, 56 insertions, 7 deletions
diff --git a/ChangeLog b/ChangeLog
index af6789b..2be28ba 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,22 @@
2005-02-11 Roland McGrath <roland@redhat.com>
+ [BZ #715]
+ * Makefile (installed-stubs): New variable.
+ Set to $(inst_includedir)/gnu/stubs.h if $(biarch) is no,
+ or to $(inst_includedir)/gnu/stubs-$(biarch).h if otherwise.
+ [$(biarch) != no] (install-others-nosubdir): Add $(installed-stubs).
+ ($(inst_includedir)/gnu/stubs.h): Use $(installed-stubs) for this
+ rule's target.
+ ($(inst_includedir)/gnu/stubs.h): New target, install from ...
+ * include/stubs-biarch.h: New file.
+
+ * shlib-versions (i.86-.*-.*): Add WORDSIZE64 line mapping to x86_64.
+
+ * Makeconfig ($(common-objpfx)soversions.mk): Depend on Makeconfig.
+ Emit defn for variable `biarch'.
+
+ * include/stub-tag.h: Update comment.
+
* scripts/soversions.awk: Fix default version set handling.
2005-02-10 Roland McGrath <roland@redhat.com>
diff --git a/Makeconfig b/Makeconfig
index 3060532..4c3a4e3 100644
--- a/Makeconfig
+++ b/Makeconfig
@@ -792,8 +792,10 @@ $(common-objpfx)soversions.i: $(..)scripts/soversions.awk \
-v os='$(config-os)' \
-f $^ > $@T
mv -f $@T $@
-$(common-objpfx)soversions.mk: $(common-objpfx)soversions.i
- (while read which lib number setname; do \
+$(common-objpfx)soversions.mk: $(common-objpfx)soversions.i $(..)Makeconfig
+ (seen_DEFAULT=0; seen_WORDSIZE32=0; seen_WORDSIZE64=0; \
+ while read which lib number setname; do \
+ eval seen_$$which=1; \
test x"$$which" = xDEFAULT || continue; \
case $$number in \
[0-9]*) echo "$$lib.so-version=.$$number"; \
@@ -802,6 +804,12 @@ $(common-objpfx)soversions.mk: $(common-objpfx)soversions.i
echo "all-sonames+=$$lib=\$$($$lib.so-version)";;\
esac; \
done; \
+ case "$$seen_DEFAULT$$seen_WORDSIZE32$$seen_WORDSIZE64" in \
+ 100) echo biarch = no;; \
+ 101) echo biarch = 32;; \
+ ?1?) echo biarch = 64;; \
+ *) echo >&2 BUG; exit 2;; \
+ esac; \
echo soversions.mk-done = t;) < $< > $@T; exit 0
mv -f $@T $@
endif
diff --git a/Makefile b/Makefile
index c2f4ae3..dc7a6f1 100644
--- a/Makefile
+++ b/Makefile
@@ -157,13 +157,25 @@ others: $(common-objpfx)testrun.sh
subdir-stubs := $(foreach dir,$(subdirs),$(common-objpfx)$(dir)/stubs)
+ifeq ($(biarch),no)
+installed-stubs = $(inst_includedir)/gnu/stubs.h
+else
+installed-stubs = $(inst_includedir)/gnu/stubs-$(biarch).h
+
+$(inst_includedir)/gnu/stubs.h: include/stubs-biarch.h $(+force)
+ $(INSTALL_DATA) $< $@
+
+install-others-nosubdir: $(installed-stubs)
+endif
+
+
# Since stubs.h is never needed when building the library, we simplify the
# hairy installation process by producing it in place only as the last part
# of the top-level `make install'. It depends on subdir_install, which
# iterates over all the subdirs; subdir_install in each subdir depends on
# the subdir's stubs file. Having more direct dependencies would result in
# extra iterations over the list for subdirs and many recursive makes.
-$(inst_includedir)/gnu/stubs.h: include/stubs-prologue.h subdir_install
+$(installed-stubs): include/stubs-prologue.h subdir_install
$(make-target-directory)
@rm -f $(objpfx)stubs.h
(sed '/^@/d' $<; LC_ALL=C sort $(subdir-stubs)) > $(objpfx)stubs.h
diff --git a/include/stub-tag.h b/include/stub-tag.h
index 3004d6f..d4d10c8 100644
--- a/include/stub-tag.h
+++ b/include/stub-tag.h
@@ -1,5 +1,4 @@
/* This header is included into every file that declares a stub function.
- * The build process looks for this header in .d files to decide whether
- * or not it needs to scan the corresponding .c file for entries to add to
- * <gnu/stubs.h>.
- */
+ It is obsolete now, but hasn't died to avoid removing all those
+ #include's. Every such file should use the `stub_warning' macro for
+ each of its functions, and that is sufficient. */
diff --git a/include/stubs-biarch.h b/include/stubs-biarch.h
new file mode 100644
index 0000000..fc086bd
--- /dev/null
+++ b/include/stubs-biarch.h
@@ -0,0 +1,12 @@
+/* This file selects the right generated file of `__stub_FUNCTION' macros
+ based on the architecture being compiled for. */
+
+#include <bits/wordsize.h>
+
+#if __WORDSIZE == 32
+# include <gnu/stubs-32.h>
+#elif __WORDSIZE == 64
+# include <gnu/stubs-64.h>
+#else
+# error "unexpected value for __WORDSIZE macro"
+#endif
diff --git a/shlib-versions b/shlib-versions
index aaeb966..58e923e 100644
--- a/shlib-versions
+++ b/shlib-versions
@@ -35,6 +35,7 @@ powerpc64-.*-linux.* DEFAULT GLIBC_2.3
# Configuration WORDSIZE[32|64] Alternate configuration
# ------------- ---------- -----------------------
x86_64-.*-.* WORDSIZE32 i686-@VENDOR@-@OS@
+i.86-.*-.* WORDSIZE64 x86_64-@VENDOR@-@OS@
s390x-.*-.* WORDSIZE32 s390-@VENDOR@-@OS@
s390-.*-.* WORDSIZE64 s390x-@VENDOR@-@OS@
powerpc64-.*-.* WORDSIZE32 powerpc-@VENDOR@-@OS@