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authorPádraig Brady <P@draigBrady.com>2011-05-17 19:08:14 +0100
committerPádraig Brady <P@draigBrady.com>2011-05-18 10:53:54 +0100
commit00667b211fb2ea8f53cf5af2c0231e67257f0d86 (patch)
tree6bd8496a850d649544d0c38a8f664363327656ad /top
parenta2b658cdccd4a13a5cef87144447f96cd1079e8c (diff)
downloadgnulib-00667b211fb2ea8f53cf5af2c0231e67257f0d86.tar.gz
maint.mk: exclude compiler symbols from sc_tight_scope
Diffstat (limited to 'top')
-rw-r--r--top/maint.mk9
1 files changed, 6 insertions, 3 deletions
diff --git a/top/maint.mk b/top/maint.mk
index 0f097d1235..d0d33e4dad 100644
--- a/top/maint.mk
+++ b/top/maint.mk
@@ -1362,13 +1362,16 @@ ifeq (a,b)
# Most functions should have static scope.
# Any that don't must be marked with `extern', but `main'
# and `usage' are exceptions: they're always extern, but
-# do not need to be marked.
+# do not need to be marked. Symbols matching `__.*' are
+# reserved by the compiler, so are automatically excluded below.
_gl_TS_unmarked_extern_functions ?= main usage
_gl_TS_function_match ?= \
/^(?:extern|XTERN) +(?:void|(?:struct |const |enum )?\S+) +\**(\S+) +\(/
# The second nm|grep checks for file-scope variables with `extern' scope.
# Without gnulib's progname module, you might put program_name here.
+# Symbols matching `__.*' are reserved by the compiler,
+# so are automatically excluded below.
_gl_TS_unmarked_extern_vars ?=
# NOTE: the _match variables are perl expressions -- not mere regular
@@ -1391,7 +1394,7 @@ _gl_tight_scope: $(bin_PROGRAMS)
test -f $$f && d= || d=$(srcdir)/; echo $$d$$f; done`; \
hdr=`for f in $(noinst_HEADERS); do \
test -f $$f && d= || d=$(srcdir)/; echo $$d$$f; done`; \
- ( printf '^%s$$\n' $(_gl_TS_unmarked_extern_functions); \
+ ( printf '^%s$$\n' '__.*' $(_gl_TS_unmarked_extern_functions); \
grep -h -A1 '^extern .*[^;]$$' $$src \
| grep -vE '^(extern |--)' | sed 's/ .*//'; \
perl -lne '$(_gl_TS_function_match)' \
@@ -1400,7 +1403,7 @@ _gl_tight_scope: $(bin_PROGRAMS)
nm -e *.$(OBJEXT) | sed -n 's/.* T //p' | grep -Ev -f $$t \
&& { echo the above functions should have static scope >&2; \
exit 1; } || : ; \
- ( printf '^%s$$\n' $(_gl_TS_unmarked_extern_vars); \
+ ( printf '^%s$$\n' '__.*' $(_gl_TS_unmarked_extern_vars); \
perl -lne '$(_gl_TS_var_match) and print "^$$1\$$"' \
$$hdr *.h ) | sort -u > $$t; \
nm -e *.$(OBJEXT) | sed -n 's/.* [BCDGRS] //p' \