diff --git a/examples/calc++/.gitignore b/examples/calc++/.gitignore
index 2306d175..50eb5ba1 100644
--- a/examples/calc++/.gitignore
+++ b/examples/calc++/.gitignore
@@ -4,10 +4,11 @@
/calc++
/calc++-driver.cc
/calc++-driver.hh
-/calc++-parser.output
-/calc++-parser.yy
/calc++-parser.cc
-/calc++-parser.h
+/calc++-parser.hh
+/calc++-parser.output
+/calc++-parser.stamp
+/calc++-parser.yy
/calc++-scanner.cc
/calc++-scanner.ll
/calc++.cc
diff --git a/examples/calc++/calc++-parser.hh b/examples/calc++/calc++-parser.hh
deleted file mode 100644
index 6f1e8852..00000000
--- a/examples/calc++/calc++-parser.hh
+++ /dev/null
@@ -1,4 +0,0 @@
-// Work around an Automake 1.11.2 bug: it asks for the creation of
-// y.tab.h and then renames it as calc++-parser.h instead of
-// calc++-parser.hh. We don't want this to show in the documentation.
-#include "calc++-parser.h"
diff --git a/examples/calc++/local.mk b/examples/calc++/local.mk
index 5d9dce02..8a039736 100644
--- a/examples/calc++/local.mk
+++ b/examples/calc++/local.mk
@@ -15,55 +15,71 @@
# You should have received a copy of the GNU General Public License
# along with this program. If not, see .
-## ------------ ##
-## Extracting. ##
-## ------------ ##
+## ------------------- ##
+## Parser generation. ##
+## ------------------- ##
-# Extract in src.
-$(top_srcdir)/examples/calc++/calc.stamp: $(doc) $(extexi)
- $(AM_V_GEN)rm -f $@ $@.tmp
+CLEANFILES += $(top_srcdir)/examples/calc++/*.output *.tmp
+MAINTAINERCLEANFILES += examples/calc++/*.stamp $(calc_sources)
+
+# Compile the parser and save cycles.
+# This code comes from "Handling Tools that Produce Many Outputs",
+# from the Automake documentation.
+EXTRA_DIST += \
+ examples/calc++/calc++-parser.stamp \
+ examples/calc++/calc++-parser.yy \
+ examples/calc++/calc++.stamp
+# Don't depend on $(BISON) otherwise we would rebuild these files
+# in srcdir, including during distcheck, which is forbidden.
+examples/calc++/calc++-parser.stamp: examples/calc++/calc++-parser.yy $(BISON_IN)
+ $(AM_V_YACC)rm -f $@
$(AM_V_at)touch $@.tmp
- $(AM_V_at)cd $(top_srcdir)/examples/calc++ && \
- $(AWK) -f ../extexi -v VERSION="$(VERSION)" \
- ../../doc/bison.texinfo -- calc++-parser.yy \
- calc++-scanner.ll calc++.cc calc++-driver.hh calc++-driver.cc
- $(AM_V_at)mv $@.tmp $@
+ $(AM_V_at)$(YACCCOMPILE) -o examples/calc++/calc++-parser.cc \
+ examples/calc++/calc++-parser.yy
+ $(AM_V_at)mv -f $@.tmp $@
+
+$(calc_sources_generated): examples/calc++/calc++-parser.stamp
+ @test -f $@ || rm -f examples/calc++/calc++-parser.stamp
+ @test -f $@ || $(MAKE) $(AM_MAKEFLAGS) examples/calc++/calc++-parser.stamp
-$(calc_extracted): $(top_srcdir)/examples/calc++/calc.stamp
- $(AM_V_GEN)if test -f $@; then :; else \
- rm -f $< && \
- $(MAKE) $(AM_MAKEFLAGS) $<; \
- fi
## -------------------- ##
## Building & testing. ##
## -------------------- ##
-BUILT_SOURCES += $(calc_sources) examples/calc++/calc++-parser.h
+# Avoid using BUILT_SOURCES which is too global.
+$(examples_calc___calc___OBJECTS): $(calc_sources_generated)
CLEANFILES += *.tmp
-MAINTAINERCLEANFILES += $(top_srcdir)/examples/calc++/calc.stamp $(calc_sources)
-EXTRA_DIST += examples/calc++/calc.stamp
+MAINTAINERCLEANFILES += $(calc_sources)
-calc_extracted = \
- examples/calc++/calc++-scanner.ll \
- examples/calc++/calc++.cc \
- examples/calc++/calc++-driver.hh \
+calc_sources_extracted = \
examples/calc++/calc++-driver.cc \
+ examples/calc++/calc++-driver.hh \
+ examples/calc++/calc++-scanner.ll \
+ examples/calc++/calc++.cc
+calc_extracted = \
+ $(calc_sources_extracted) \
examples/calc++/calc++-parser.yy
-calc_generated = \
- examples/calc++/stack.hh \
+extracted += $(calc_extracted)
+calc_sources_generated = \
+ examples/calc++/calc++-parser.cc \
+ examples/calc++/calc++-parser.hh \
+ examples/calc++/location.hh \
examples/calc++/position.hh \
- examples/calc++/location.hh
+ examples/calc++/stack.hh
calc_sources = \
- $(calc_extracted) $(calc_generated)
+ $(calc_sources_extracted) \
+ $(calc_sources_generated)
if BISON_CXX_WORKS
check_PROGRAMS += examples/calc++/calc++
examples_calc___calc___SOURCES = \
- $(calc_sources) \
- examples/calc++/y.tab.h \
- examples/calc++/calc++-parser.hh
+ $(calc_sources)
-examples_calc___calc___CPPFLAGS = -I$(top_srcdir)/examples/calc++
+examples_calc___calc___CPPFLAGS = \
+ -I$(top_builddir)/examples/calc++ \
+ -I$(top_srcdir)/examples/calc++
TESTS += examples/calc++/calc++.test
endif
-EXTRA_DIST += examples/calc++/calc++.test
+EXTRA_DIST += \
+ examples/calc++/calc++-parser.yy \
+ examples/calc++/calc++.test
diff --git a/examples/extexi b/examples/extexi
index efce4e57..7ede7c4b 100644
--- a/examples/extexi
+++ b/examples/extexi
@@ -29,7 +29,7 @@ BEGIN {
if (ARGV[argc] == "--")
break;
for (i = argc + 1; i < ARGC; ++i)
- file_wanted[ARGV[i]] = 1;
+ file_wanted[basename(ARGV[i])] = ARGV[i];
ARGC = argc;
}
@@ -43,13 +43,10 @@ BEGIN {
}
/^@comment file: / {
- if (!file_wanted[$3])
- message("ignoring " $3);
+ if (file = file_wanted[$3])
+ message(" GEN " file);
else
- {
- message("extracting " $3);
- file = $3;
- }
+ message("SKIP " $3);
}
/^@(small)?example$/, /^@end (small)?example$/ {
@@ -125,6 +122,11 @@ function normalize(contents, i, lines, n, line, res) {
}
+function basename(name, a, n) {
+ n = split (name, a, "/");
+ return a[n];
+}
+
function message(msg) {
if (! message_printed[msg])
{
diff --git a/examples/local.mk b/examples/local.mk
index 0d632023..24ad83c1 100644
--- a/examples/local.mk
+++ b/examples/local.mk
@@ -13,11 +13,28 @@
## You should have received a copy of the GNU General Public License
## along with this program. If not, see .
-doc = $(top_srcdir)/doc/bison.texinfo
-extexi = $(top_srcdir)/examples/extexi
dist_noinst_SCRIPTS = examples/extexi examples/test
TEST_LOG_COMPILER = $(top_srcdir)/examples/test
+## ------------ ##
+## Extracting. ##
+## ------------ ##
+
+doc = $(top_srcdir)/doc/bison.texinfo
+extexi = $(top_srcdir)/examples/extexi
+extract = $(AWK) -f $(extexi) -v VERSION="$(VERSION)" $(doc) --
+extracted =
+MAINTAINERCLEANFILES += $(extracted)
+examples/extracted.stamp: $(doc) $(extexi)
+ $(AM_V_GEN)rm -f $@ $@.tmp
+ $(AM_V_at)touch $@.tmp
+ $(AM_V_at)$(extract) $(extracted)
+ $(AM_V_at)mv $@.tmp $@
+
+$(extracted): examples/extracted.stamp
+ @test -f $@ || rm -f examples/extracted.stamp
+ @test -f $@ || $(MAKE) $(AM_MAKEFLAGS) examples/extracted.stamp
+
include examples/calc++/local.mk
include examples/mfcalc/local.mk
include examples/rpcalc/local.mk
diff --git a/examples/mfcalc/local.mk b/examples/mfcalc/local.mk
index c6d94708..8083dea0 100644
--- a/examples/mfcalc/local.mk
+++ b/examples/mfcalc/local.mk
@@ -15,38 +15,19 @@
# You should have received a copy of the GNU General Public License
# along with this program. If not, see .
-## ------------ ##
-## Extracting. ##
-## ------------ ##
-
-# Extract in src.
-$(top_srcdir)/examples/mfcalc/mfcalc.stamp: $(doc) $(extexi)
- $(AM_V_GEN)rm -f $@ $@.tmp
- $(AM_V_at)touch $@.tmp
- $(AM_V_at)cd $(top_srcdir)/examples/mfcalc && \
- $(AWK) -f ../extexi -v VERSION="$(VERSION)" \
- ../../doc/bison.texinfo -- calc.h mfcalc.y
- $(AM_V_at)mv $@.tmp $@
-
-$(mfcalc_extracted): $(top_srcdir)/examples/mfcalc/mfcalc.stamp
- $(AM_V_GEN)if test -f $@; then :; else \
- rm -f $< && \
- $(MAKE) $(AM_MAKEFLAGS) $<; \
- fi
-
## -------------------- ##
## Building & testing. ##
## -------------------- ##
BUILT_SOURCES += $(mfcalc_sources)
-MAINTAINERCLEANFILES += $(top_srcdir)/examples/mfcalc/mfcalc.stamp $(mfcalc_sources)
-EXTRA_DIST += examples/mfcalc/mfcalc.stamp
+MAINTAINERCLEANFILES += $(mfcalc_sources)
mfcalc_extracted = \
examples/mfcalc/calc.h \
examples/mfcalc/mfcalc.y
mfcalc_sources = \
$(mfcalc_extracted)
+extracted += $(mfcalc_extracted)
check_PROGRAMS += examples/mfcalc/mfcalc
examples_mfcalc_mfcalc_LDADD = -lm
diff --git a/examples/rpcalc/local.mk b/examples/rpcalc/local.mk
index c6cd7a33..844ffdff 100644
--- a/examples/rpcalc/local.mk
+++ b/examples/rpcalc/local.mk
@@ -15,37 +15,18 @@
# You should have received a copy of the GNU General Public License
# along with this program. If not, see .
-## ------------ ##
-## Extracting. ##
-## ------------ ##
-
-# Extract in src.
-$(top_srcdir)/examples/rpcalc/rpcalc.stamp: $(doc) $(extexi)
- $(AM_V_GEN)rm -f $@ $@.tmp
- $(AM_V_at)touch $@.tmp
- $(AM_V_at)cd $(top_srcdir)/examples/rpcalc && \
- $(AWK) -f ../extexi -v VERSION="$(VERSION)" \
- ../../doc/bison.texinfo -- calc.h rpcalc.y
- $(AM_V_at)mv $@.tmp $@
-
-$(rpcalc_extracted): $(top_srcdir)/examples/rpcalc/rpcalc.stamp
- $(AM_V_GEN)if test -f $@; then :; else \
- rm -f $< && \
- $(MAKE) $(AM_MAKEFLAGS) $<; \
- fi
-
## -------------------- ##
## Building & testing. ##
## -------------------- ##
BUILT_SOURCES += $(rpcalc_sources)
-MAINTAINERCLEANFILES += $(top_srcdir)/examples/rpcalc/rpcalc.stamp $(rpcalc_sources)
-EXTRA_DIST += examples/rpcalc/rpcalc.stamp
+MAINTAINERCLEANFILES += $(rpcalc_sources)
rpcalc_extracted = \
examples/rpcalc/rpcalc.y
rpcalc_sources = \
$(rpcalc_extracted)
+extracted += $(rpcalc_extracted)
check_PROGRAMS += examples/rpcalc/rpcalc
examples_rpcalc_rpcalc_LDADD = -lm