[PATCH] build: generate cscope and etags source indexes
Yuri Volchkov
yuri.volchkov at gmail.com
Wed Aug 23 13:55:40 PDT 2017
Just a handy tool to generate source code indexes for your favorite
editor.
To make tags for vim run:
$ make cscope
To make tags for emacs:
$ make TAGS
To make both:
$ make alltags
Signed-off-by: Yuri Volchkov <yuri.volchkov at gmail.com>
---
Makefile.local | 24 ++++++++++++++++++++++++
configure | 30 ++++++++++++++++++++++++++++++
2 files changed, 54 insertions(+)
diff --git a/Makefile.local b/Makefile.local
index af12ca7..15075bb 100644
--- a/Makefile.local
+++ b/Makefile.local
@@ -280,6 +280,30 @@ endif
SRCS := $(SRCS) $(notmuch_client_srcs)
CLEAN := $(CLEAN) notmuch notmuch-shared $(notmuch_client_modules)
CLEAN := $(CLEAN) version.stamp notmuch-*.tar.gz.tmp
+CLEAN := $(CLEAN) cscope.out TAGS
+
+.PHONY: alltags cscope
+alltags: cscope.out TAGS
+cscope: cscope.out
+
+ifeq ($(HAVE_CSCOPE),1)
+cscope.out: $(SRCS)
+ $(call quiet, CSCOPE) -b $(SRCS)
+else
+.PHONY: cscope.out
+cscope.out:
+ $(warning "$@ is not generated. Please make sure you have cscope installed")
+endif
+
+ifeq ($(HAVE_ETAGS),1)
+TAGS: $(SRCS)
+ @rm -f $@
+ $(call quiet, ETAGS) -a $(SRCS)
+else
+.PHONY: TAGS
+TAGS:
+ $(warning "$@ is not generated. Please make sure you have etags installed")
+endif
DISTCLEAN := $(DISTCLEAN) .first-build-message Makefile.config sh.config
diff --git a/configure b/configure
index c5e2ffe..4467016 100755
--- a/configure
+++ b/configure
@@ -603,6 +603,24 @@ else
have_emacs=0
fi
+printf "Checking if cscope is available... "
+if cscope -V > /dev/null 2>&1; then
+ printf "Yes.\n"
+ have_cscope=1
+else
+ printf "No (so will not generate cscope code index - file cscope.out)\n"
+ have_cscope=0
+fi
+
+printf "Checking if etags is available... "
+if etags -V > /dev/null 2>&1; then
+ printf "Yes.\n"
+ have_etags=1
+else
+ printf "No (so will not generate etags code index - file TAGS)\n"
+ have_etags=0
+fi
+
have_doxygen=0
if [ $WITH_API_DOCS = "1" ] ; then
printf "Checking if doxygen is available... "
@@ -1011,6 +1029,12 @@ WARN_CXXFLAGS=${WARN_CXXFLAGS}
# Flags to enable warnings when using the C compiler
WARN_CFLAGS=${WARN_CFLAGS}
+# Command to execute cscope from Makefiles
+CSCOPE = cscope
+
+# Command to execute etags from Makefiles
+ETAGS = etags
+
# Name of python interpreter
PYTHON = ${python}
@@ -1046,6 +1070,12 @@ emacsetcdir=${EMACSETCDIR}
# Whether there's an emacs binary available for byte-compiling
HAVE_EMACS = ${have_emacs}
+# Whether there's a cscope available for source code indexing (development only)
+HAVE_CSCOPE = ${have_cscope}
+
+# Whether there's a etags available for source code indexing (development only)
+HAVE_ETAGS = ${have_etags}
+
# Whether there's a sphinx-build binary available for building documentation
HAVE_SPHINX=${have_sphinx}
--
2.7.4
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