makefile euler3

Author: drbeco

makefile

@@ -1,6 +1,6 @@
 #***************************************************************************
-#* Autoversion makefile v.20170112.001402 (euler)  *
-#* Copyright (C) 2014-2017 by Ruben Carlo Benante <rcb@beco.cc> *
+#* Autoversion makefile v.20190725.134357 (euler3) *
+#* Copyright (C) 2014-2019 by Ruben Carlo Benante <rcb@beco.cc> *
 #* *
 #* This makefile sets BUILD and allows to set MAJOR.MINOR version, *
 #* DEBUG and OBJ to compile a range of different targets *
@@ -52,6 +52,11 @@
 # $ make ex1.bf.x
 # - Portugol:
 # $ make ex1.gpt.x
+# - Project Euler:
+# + Create a new template, say, number pe42.c:
+# $ make pe42.c
+# + Compile pe42.c with:
+# $ make pe42.x SRC=projecteuler.c
 #
 # * Directly from vim editor command line:
 # - Normal C program (ex1.c)
@@ -94,6 +99,14 @@
 #	$ make wipe
 #
 # Log:
+# 2019-03-25:
+#	* To create a source template for Project Euler now uses:
+#	- make pe42.c
+#	* And to compile:
+#	- make pe42.x SRC=projecteuler.c
+#	* Added target .SECONDARY to avoid deleting pe42.c
+# 2018-07-25:
+#	* Generates BUILD when compiled with errors and VERSION when clean compiled
 # 2017-03-03:
 #	* added -fdiagnostics-color=always to colorize tee output
 #	* added -pg -fprofile-arcs to allow gprof command on debug
@@ -110,12 +123,15 @@
 #	* added _FORTIFY_SOURCE=1 to help catch overflows
 # 2017-03-18:
 #	* added -lcurl to link with libcurl
+# 2018-06-20:
+#	* added help about euler, and echo how to compile
 
 # disable builtin rules with MAKEFLAGS and .SUFFIXES
 MAKEFLAGS += --no-builtin-rules
 #.SUFFIXES:
 .PHONY: clean wipe nomatch
 .PRECIOUS: %.o
+.SECONDARY:
 SHELL=/bin/bash -o pipefail
 
 # asure functions that return values are not ignored
@@ -135,8 +151,8 @@ CCCOLOR ?= always
 # create a define
 D ?= D_
 # project Euler exercise number
-N ?= 0
-PENAME := $(shell printf '%-8s' pe$(N).c)
+# N ?= 0
+# PENAME := $(shell printf '%-8s' pe$(N).c)
 # build date
 BUILD = $(shell date +"%g%m%d.%H%M%S")
 # build date inside binary code
@@ -219,19 +235,20 @@ endif
 # Inclui VERSION, data de BUILD e DEBUG (opcional).
 %.x : %.c $(OBJ) $(SRC)
 -$(CC) $(CFLAGS) $(CPPFLAGS) $(LDLIBS) $^ -o $@ 2>&1 | tee errors.err
+@#@echo $@ version $(VERSION) > VERSION
 ifeq "$(CCCOLOR)" "always"
 @sed -i -r "s/\x1B\[(([0-9]+)(;[0-9]+)*)?[m,K,H,f,J]//g" errors.err
 endif
--@[ ! -s errors.err ] && echo $@ version $(VERSION) > VERSION
+-@[ ! -s errors.err ] && echo "$@ version "$(VERSION) > VERSION && cp VERSION BUILD || echo "$@ build "$(VERSION) > BUILD
 
 # override built-in rules for mathing everything (exactly the same rule as %.x above)
 % : %.c $(OBJ) $(SRC)
 -$(CC) $(CFLAGS) $(CPPFLAGS) $(LDLIBS) $^ -o $@ 2>&1 | tee errors.err
-@echo $@ version $(VERSION) > VERSION
+@#@echo $@ version $(VERSION) > VERSION
 ifeq "$(CCCOLOR)" "always"
 @sed -i -r "s/\x1B\[(([0-9]+)(;[0-9]+)*)?[m,K,H,f,J]//g" errors.err
 endif
--@[ ! -s errors.err ] && echo $@ version $(VERSION) > VERSION
+-@[ ! -s errors.err ] && echo "$@ version "$(VERSION) > VERSION && cp VERSION BUILD || echo "$@ build "$(VERSION) > BUILD
 
 nomatch :
 @echo 'makefile error: no rules for the given goal(s)' $(warning nomatch)
@@ -263,13 +280,21 @@ tags :
 ctags -R
 ctags -R -x | less -F
 
-# Gera um novo peN
-euler :
-@cp -i peN.c pe$(N).c
-@sed -i 's/PEN.c /$(PENAME)/' pe$(N).c
-@sed -i 's/PEN pe ## N/PEN pe ## $(N)/' pe$(N).c
-@sed -i 's/Proj. Euler problem #PEN/Proj. Euler problem #$(N)/' pe$(N).c
-@echo "pe$(N).c"
+# Gera um novo template peN.c para Project Euler, questao N
+pe%.c :
+@if [[ -s "pe$(*).c" ]] ; then \
+echo Found source code pe$(*).c ; \
+else \
+cp -i peN.c pe$(*).c ; \
+sed -i 's/PEN.c /$(shell printf '%-8s' pe$(*).c)/' pe$(*).c ; \
+sed -i 's/PEN pe ## N/PEN pe ## $(*)/' pe$(*).c ; \
+sed -i 's/SPEN "pe" "N"/SPEN "pe" "$(*)"/' pe$(*).c ; \
+sed -i 's/Proj. Euler problem #PEN/Proj. Euler problem #$(*)/' pe$(*).c ; \
+sed -i 's/PEN(/pe$(*)(/' pe$(*).c ; \
+echo "Created ....... : pe$(*).c" ; \
+echo "Compile with .. : make pe$(*).x SRC=projecteuler.c" ; \
+fi
+@echo '................: Good luck!'
 
 #* ------------------------------------------------------------------- *
 #* makefile config for Vim modeline *