Declare SHELL at makefile top, sort and fix standard tool list in Makefiles

Makefile

@@ -53,6 +53,11 @@
 # calculator by David I. Bell with help/mods from others
 # Makefile by Landon Curt Noll
 
+
+# our shell
+#
+SHELL= /bin/sh
+
 # Try uname -s if the target was not already set on the make command line
 #
 ifeq ($(target),)
@@ -142,7 +147,6 @@ endif
 
 # standard utilities used during make
 #
-SHELL= /bin/sh
 MAKE= make
 SED= sed
 GREP= egrep

Makefile.ship

@@ -48,6 +48,11 @@
 # calculator by David I. Bell with help/mods from others
 # Makefile by Landon Curt Noll
 
+
+# our shell
+#
+SHELL= /bin/sh
+
 #if 0	/* start of skip for non-Gnu makefiles */
 ##############################################################################
 #-=-=-=-=-=-=-=-=- Identify the target machine, if possible -=-=-=-=-=-=-=-=-#
@@ -1062,7 +1067,6 @@ LIB_EXT_VERSION= ${LIB_EXT}.${VERSION}
 
 # standard utilities used during make
 #
-SHELL= /bin/sh
 AR= ar
 AWK= awk
 CAT= cat
@@ -4297,7 +4301,7 @@ debug: calcinfo env
 	@${MAKE} -f Makefile Q= V=@ ver_calc${EXT}
 	-@./ver_calc${EXT}
 	@echo '=-=-=-= Back to the main Makefile for $@ rule =-=-=-='
-	@echo -n '=-=-=-= Print #defile values if custom functions '
+	@/bin/echo -n '=-=-=-= Print #defile values if custom functions '
 	@echo 'are allowed =-=-=-='
 	-@${CALC_ENV} ./calc${EXT} -e -q -C 'print custom("sysinfo", 2);'
 	@echo '=-=-=-= Back to the main Makefile for $@ rule =-=-=-='
@@ -4899,7 +4903,7 @@ uninstall: custom/Makefile
 	-${Q} if [ -f "${T}${LIBDIR}/libcalc${LIB_EXT_VERSION}" ]; then \
 	    ${RM} -f "${T}${LIBDIR}/libcalc${LIB_EXT_VERSION}"; \
 	    if [ -f "${T}${LIBDIR}/libcalc${LIB_EXT_VERSION}" ]; then \
-		echo -n "cannot uninstall " \
+		/bin/echo -n "cannot uninstall " \
 		echo "${T}${LIBDIR}/libcalc${LIB_EXT_VERSION}"; \
 	    else \
 		echo "uninstalled ${T}${LIBDIR}/libcalc${LIB_EXT_VERSION}"; \
@@ -5021,7 +5025,7 @@ calc-symlink:
 		if [ ! -L "${CATDIR}/calc.${CATEXT}" -a \
 		     "${T}${CATDIR}/calc.${CATEXT}" -ef \
 		     "${CATDIR}/calc.${CATEXT}" ]; then \
-		    	echo -n "ERROR: ${T}${CATDIR}/calc.${CATEXT}" 2>&1; \
+			/bin/echo -n "ERROR: ${T}${CATDIR}/calc.${CATEXT}" 2>&1; \
 			echo "is the same as ${CATDIR}/calc.${CATEXT}" 1>&2; \
 		else \
 		    if [ -e "${CATDIR}/calc.${CATEXT}" ]; then \

banned.h

@@ -0,0 +1,82 @@
+/*
+ * banned - indicate which functions are banned in calc source
+ *
+ * inspired by https://github.com/git/git/blob/master/banned.h
+ *
+ * Copyright (C) 2021  Landon Curt Noll
+ *
+ * Calc is open software; you can redistribute it and/or modify it under
+ * the terms of the version 2.1 of the GNU Lesser General Public License
+ * as published by the Free Software Foundation.
+ *
+ * Calc is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU Lesser General
+ * Public License for more details.
+ *
+ * A copy of version 2.1 of the GNU Lesser General Public License is
+ * distributed with calc under the filename COPYING-LGPL.  You should have
+ * received a copy with calc; if not, write to Free Software Foundation, Inc.
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * Under source code control:	2021/03/06 21:07:31
+ * File existed as early as:	2021
+ *
+ * chongo <was here> /\oo/\	http://www.isthe.com/chongo/
+ * Share and enjoy!  :-)	http://www.isthe.com/chongo/tech/comp/calc/
+ */
+
+
+#if !defined(INCLUDE_BANNED_H)
+#define INCLUDE_BANNED_H
+
+#include "have_stdlib.h"
+#ifdef HAVE_STDLIB_H
+# include <stdlib.h>
+#endif
+
+/*
+ * From: //github.com/git/git/blob/master/banned.h
+ *
+ * This header lists functions that have been banned from our code base,
+ * because they're too easy to misuse (and even if used correctly,
+ * complicate audits). Including this header turns them into compile-time
+ * errors.
+ */
+
+#define BANNED(func,better) sorry_##func##_is_a_banned_function_use_##better##_instead
+
+#undef strcpy
+#define strcpy(x,y) BANNED(strcpy,strlcpy)
+#undef strcat
+#define strcat(x,y) BANNED(strcat,strlcat)
+#undef strncpy
+#define strncpy(x,y,n) BANNED(strncpy,memccpy)
+#undef strncat
+#define strncat(x,y,n) BANNED(strncat,memccpy)
+
+#if defined(STDARG)
+#define sprintf(...) BANNED(sprintf,snprintf)
+#define vsprintf(...) BANNED(vsprintf,vsnprintf)
+#else /* STDARG */
+#define sprintf(buf,fmt,arg) BANNED(sprintf,snprintf)
+#define vsprintf(buf,fmt,arg) BANNED(vsprintf,vsnprintf)
+#endif /* STDARG */
+
+#if 0 /* the XYtimeZZY_s() c11 functions are not yet universal - so do not ban XYtimeZZY() just yet - XXX */
+#undef gmtime
+#define gmtime(t) BANNED(gmtime,gmtime_s)
+#undef localtime
+#define localtime(t) BANNED(localtime,localtime_s)
+#undef ctime
+#define ctime(t) BANNED(ctime,ctime_s)
+#undef ctime_r
+#define ctime_r(t, buf) BANNED(ctime_r,ctime_s)
+#undef asctime
+#define asctime(t) BANNED(asctime,asctime_s)
+#undef asctime_r
+#define asctime_r(t, buf) BANNED(asctime_r,asctime_s)
+#endif /* XXX */
+
+
+#endif /* !INCLUDE_BANNED_H */

cal/Makefile

@@ -27,7 +27,8 @@
 # calculator by David I. Bell with help/mods from others
 # Makefile by Landon Curt Noll
 
-# required vars
+
+# our shell
 #
 SHELL= /bin/sh
 
@@ -167,17 +168,17 @@ Q=@
 #
 CHMOD= chmod
 CMP= cmp
-RM= rm
-MKDIR= mkdir
-RMDIR= rmdir
-CP= cp
-MV= mv
 CO= co
-TRUE= true
-TOUCH= touch
+CP= cp
+FMT= fmt
+MKDIR= mkdir
+MV= mv
+RM= rm
+RMDIR= rmdir
 SED= sed
 SORT= sort
-FMT= fmt
+TOUCH= touch
+TRUE= true
 
 # The calc files to install
 #

cscript/Makefile

@@ -27,7 +27,7 @@
 # Makefile by Landon Curt Noll
 
 
-# required vars
+# our shell
 #
 SHELL= /bin/sh
 
@@ -165,18 +165,19 @@ Q=@
 
 # standard tools
 #
+CAT= cat
 CHMOD= chmod
+CMP= cmp
+CO= co
+CP= cp
+FMT= fmt
+MKDIR= mkdir
+MV= mv
+RM= rm
+RMDIR= rmdir
 SED= sed
 SORT= sort
-FMT= fmt
-CMP= cmp
-MKDIR= mkdir
-RMDIR= rmdir
-RM= rm
 TOUCH= touch
-MV= mv
-CP= cp
-CO= co
 TRUE= true
 
 # The ${SCRIPT} list is the list of calc shell script files (without the .calc
@@ -312,7 +313,7 @@ depend:
 	    if [ X"$$i" != X"/dev/null" ]; then \
 		echo "$$i: $$i.calc"; \
 		echo '	@$${RM} -f $$@'; \
-		echo -n '	@$${SED} -e "1s:^#!/usr/local/src/bin/'; \
+		/bin/echo -n '	@$${SED} -e "1s:^#!/usr/local/src/bin/'; \
 		echo 'calc/calc:#!$${BINDIR}/calc:" $$?>$$@'; \
 		echo '	@$${CHMOD} +x $$@'; \
 	    fi; \

custom/Makefile

@@ -27,6 +27,11 @@
 # calculator by David I. Bell with help/mods from others
 # Makefile by Landon Curt Noll
 
+
+# our shell
+#
+SHELL= /bin/sh
+
 #if 0	/* start of skip for non-Gnu makefiles */
 ##############################################################################
 #-=-=-=-=-=-=-=-=- Identify the target machine, if possible -=-=-=-=-=-=-=-=-#
@@ -357,26 +362,25 @@ LIB_EXT_VERSION= ${LIB_EXT}.${VERSION}
 
 # standard tools
 #
-SHELL= /bin/sh
-SED= sed
-MAKEDEPEND= makedepend
-GREP= egrep
-CHMOD= chmod
-FMT= fmt
-SORT= sort
-CMP= cmp
 AR= ar
-RM= rm
-TOUCH= touch
-MKDIR= mkdir
-RMDIR= rmdir
-MV= mv
-CP= cp
-CO= co
-TRUE= true
-MAKE= make
-LN= ln
 AWK= awk
+CHMOD= chmod
+CMP= cmp
+CO= co
+CP= cp
+FMT= fmt
+GREP= egrep
+LN= ln
+MAKE= make
+MAKEDEPEND= makedepend
+MKDIR= mkdir
+MV= mv
+RM= rm
+RMDIR= rmdir
+SED= sed
+SORT= sort
+TOUCH= touch
+TRUE= true
 
 # EXTRA_CFLAGS are flags given to ${CC} when compiling C files
 # EXTRA_LDFLAGS are flags given to ${CC} when linking progs

custom/Makefile.head

@@ -27,6 +27,11 @@
 # calculator by David I. Bell with help/mods from others
 # Makefile by Landon Curt Noll
 
+
+# our shell
+#
+SHELL= /bin/sh
+
 #if 0	/* start of skip for non-Gnu makefiles */
 ##############################################################################
 #-=-=-=-=-=-=-=-=- Identify the target machine, if possible -=-=-=-=-=-=-=-=-#
@@ -357,26 +362,25 @@ LIB_EXT_VERSION= ${LIB_EXT}.${VERSION}
 
 # standard tools
 #
-SHELL= /bin/sh
-SED= sed
-MAKEDEPEND= makedepend
-GREP= egrep
-CHMOD= chmod
-FMT= fmt
-SORT= sort
-CMP= cmp
 AR= ar
-RM= rm
-TOUCH= touch
-MKDIR= mkdir
-RMDIR= rmdir
-MV= mv
-CP= cp
-CO= co
-TRUE= true
-MAKE= make
-LN= ln
 AWK= awk
+CHMOD= chmod
+CMP= cmp
+CO= co
+CP= cp
+FMT= fmt
+GREP= egrep
+LN= ln
+MAKE= make
+MAKEDEPEND= makedepend
+MKDIR= mkdir
+MV= mv
+RM= rm
+RMDIR= rmdir
+SED= sed
+SORT= sort
+TOUCH= touch
+TRUE= true
 
 # EXTRA_CFLAGS are flags given to ${CC} when compiling C files
 # EXTRA_LDFLAGS are flags given to ${CC} when linking progs

help/Makefile

@@ -165,23 +165,23 @@ Q=@
 
 # standard tools
 #
-LCC= cc
-ICFLAGS=
-ILDFLAGS=
-GREP= egrep
+CAT= cat
 CHMOD= chmod
-SED= sed
-SORT= sort
-FMT= fmt
 CMP= cmp
 CP= cp
-MV= mv
-TRUE= true
-RM= rm
+FMT= fmt
+GREP= egrep
+ICFLAGS=
+ILDFLAGS=
+LCC= cc
 MKDIR= mkdir
+MV= mv
+RM= rm
 RMDIR= rmdir
+SED= sed
+SORT= sort
 TOUCH= touch
-CAT= cat
+TRUE= true
 
 # Some out of date operating systems require / want an executable to
 # end with a certain file extension.  Some compile systems such as