From 7f03b53626b2cf88238e0b5fb070dd211486d02f Mon Sep 17 00:00:00 2001
From: Mattias Andrée <maandree@operamail.com>
Date: Thu, 24 Oct 2013 23:06:45 +0200
Subject: more flexible info file
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Signed-off-by: Mattias Andrée <maandree@operamail.com>
---
 .gitignore       |  1 +
 Makefile         |  5 ++++-
 info/gpp.texinfo | 14 +++++++-------
 3 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/.gitignore b/.gitignore
index e7bc08a..c2165a3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,4 +14,5 @@ __pycache__/
 /gpp
 *.info
 *.gz
+*.install
 
diff --git a/Makefile b/Makefile
index 8299bd5..f624f49 100644
--- a/Makefile
+++ b/Makefile
@@ -24,10 +24,13 @@ doc: info
 .PHONY: info
 info: gpp.info.gz
 
-%.info.gz: info/%.texinfo
+%.info.gz: info/%.texinfo.install
 	makeinfo "$<"
 	gzip -9 -f "$*.info"
 
+info/%.texinfo.install: info/%.texinfo
+	$(PY3) gpp -s '?' -D GPP=$(COMMAND) < "$<" > "$@"
+
 gpp: src/gpp.py
 	VERSION=$(VERSION) SHEBANG="$(SHEBANG)" $(PY3) "$<" -u -u < "$<" > "$@"
 
diff --git a/info/gpp.texinfo b/info/gpp.texinfo
index b9ee4cd..a758920 100644
--- a/info/gpp.texinfo
+++ b/info/gpp.texinfo
@@ -2,7 +2,7 @@
 
 @c %**start of header
 @setfilename gpp.info
-@settitle gpp
+@settitle ?{GPP}
 @afourpaper
 @documentencoding UTF-8
 @documentlanguage en
@@ -12,7 +12,7 @@
 
 @dircategory Development
 @direntry
-* gpp: (gpp).          Bash based preprocessor for anything
+* ?{GPP}: (?{GPP}).          Bash based preprocessor for anything
 @end direntry
 
 
@@ -50,9 +50,9 @@ Texts. A copy of the license is included in the section entitled
 
 
 @menu
-* Overview::                        Brief overview of @command{gpp}.
-* Invoking::                        Invoking @command{gpp}.
-* Syntax::                          Syntax of @command{gpp}.
+* Overview::                        Brief overview of @command{?{GPP}}.
+* Invoking::                        Invoking @command{?{GPP}}.
+* Syntax::                          Syntax of @command{?{GPP}}.
 * GNU Free Documentation License::  Copying and sharing this manual.
 @end menu
 
@@ -93,8 +93,8 @@ lines.
 @node Invoking
 @chapter Invoking
 
-Syntax for invoking @command{gpp}:
-@command{gpp [options...]}
+Syntax for invoking @command{?{GPP}}:
+@command {?{GPP} [options...]}
 
 Short options must not be joined and
 the value for a flag must be in a
-- 
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