X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/0fb669f9d648dfdd7a39478a6b658511455ae966..0d50976f3c7b4e74e8cbe32dbeb0312a7845ca14:/src/Makefile.am?ds=sidebyside diff --git a/src/Makefile.am b/src/Makefile.am index 3c9e5695..4fc07a29 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -1,4 +1,4 @@ -## Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc. +## Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. ## This program is free software; you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published by @@ -15,9 +15,7 @@ ## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA ## 02110-1301 USA -DEFS = @DEFS@ \ - -DPKGDATADIR=\"$(pkgdatadir)\" \ - -DLOCALEDIR=\"$(datadir)/locale\" +DEFS += -DPKGDATADIR=\"$(pkgdatadir)\" -DLOCALEDIR=\"$(datadir)/locale\" AM_CFLAGS = $(WARNING_CFLAGS) $(WERROR_CFLAGS) AM_CPPFLAGS = -I$(top_srcdir)/lib -I../lib @@ -33,7 +31,7 @@ bin_PROGRAMS = bison bin_SCRIPTS = $(YACC_SCRIPT) EXTRA_SCRIPTS = yacc -bison_SOURCES = \ +bison_SOURCES = \ LR0.c LR0.h \ assoc.c assoc.h \ closure.c closure.h \ @@ -56,7 +54,7 @@ bison_SOURCES = \ reduce.c reduce.h \ relation.c relation.h \ scan-gram.l \ - scan-skel.l \ + scan-skel.h scan-skel.l \ state.c state.h \ symlist.c symlist.h \ symtab.c symtab.h \ @@ -77,3 +75,34 @@ yacc: echo: echo $(bison_SOURCES) $(noinst_HEADERS) + +# The following rule is not designed to be portable, +# and relies on tools that not everyone has. + +# Most functions in src/*.c should have static scope. +# Any that don't must be marked with `extern', but `main' +# and `usage' are exceptions. They're always extern, but +# don't need to be marked. +# +# The second nm|grep checks for file-scope variables with `extern' scope. +sc_tight_scope: $(all_programs) + @t=exceptions-$$$$; \ + trap 's=$$?; rm -f $$t; exit $$s' 0 1 2 13 15; \ + ( printf '^main$$\n^usage$$\n'; \ + grep -h -A1 '^extern .*[^;]$$' $(SOURCES) \ + | grep -vE '^(extern |--)' |sed 's/^/^/;s/ .*/$$/' ) > $$t; \ + if nm -e *.$(OBJEXT) \ + | sed -n 's/.* T //p' \ + | grep -Ev -f $$t; then \ + echo 'the above functions should have static scope' 1>&2; \ + exit 1; \ + fi; \ + ( printf '^program_name$$\n'; \ + sed -n 's/^extern .*[* ]\([a-zA-Z_][a-zA-Z_0-9]*\);$$/^\1$$/p' \ + $$(ls $(SOURCES) | grep '\.h$$') /dev/null) > $$t; \ + if nm -e *.$(OBJEXT) \ + | sed -n 's/.* [BD] //p' \ + | grep -Ev -f $$t; then \ + echo 'the above variables should have static scope' 1>&2; \ + exit 1; \ + fi