install: use sed rather perl for substitutions

Use sed instead of perl in configure and Makefile scripts as perl is not
required anymore to build documentation. sed is a lighter requirement to
build and install software.

INSTALL.txt

@@ -19,7 +19,7 @@ the tools to be found on your system:
 
  * bash
  * make
- * perl
+ * sed
  * grep
  * cut
  * runtest

Makefile

@@ -61,13 +61,13 @@ include version.inc
 endif
 
 define translate-in-script
-perl -pe 's|\@prefix\@|$(prefix)|g; \
-	s|\@libexecdir\@|$(libexecdir)|g; \
-	s|\@TCLSHDIR\@/tclsh|$(TCLSH)|g; \
-	s|\@TCLSH\@|$(TCLSH)|g; \
-	s|\@MODULES_RELEASE\@|$(MODULES_RELEASE)|g; \
-	s|\@MODULES_BUILD\@|$(MODULES_BUILD)|g; \
-	s|\@MODULES_BUILD_DATE\@|$(MODULES_BUILD_DATE)|g;' $< > $@
+sed -e 's|@prefix@|$(prefix)|g' \
+	-e 's|@libexecdir@|$(libexecdir)|g' \
+	-e 's|@TCLSHDIR@/tclsh|$(TCLSH)|g' \
+	-e 's|@TCLSH@|$(TCLSH)|g' \
+	-e 's|@MODULES_RELEASE@|$(MODULES_RELEASE)|g' \
+	-e 's|@MODULES_BUILD@|$(MODULES_BUILD)|g' \
+	-e 's|@MODULES_BUILD_DATE@|$(MODULES_BUILD_DATE)|g' $< > $@
 endef
 
 ifeq ($(wildcard .git) $(wildcard version.inc.in),.git version.inc.in)
@@ -92,7 +92,7 @@ ChangeLog:
 	contrib/gitlog2changelog.py
 
 README MIGRATING:
-	perl -pe 's|^\[\!\[.*\].*\n||;' $@.md > $@
+	sed -e '/^\[\!\[.*\].*/d' $@.md > $@
 
 contrib/scripts/add.modules: contrib/scripts/add.modules.in
 	$(translate-in-script)

configure

@@ -276,7 +276,7 @@ done
 
 # test requirements availability
 check_requirement make
-check_requirement perl
+check_requirement sed
 check_requirement grep
 check_requirement cut
 check_requirement runtest '' "Install \`dejagnu' if you want to run the \
@@ -359,7 +359,7 @@ fi
 translation_regexp=''
 for arg in ${arglist}; do
    echo "$arg = ${!arg}"
-   translation_regexp+="s|\@${arg}\@|${!arg}|g; "
+   translation_regexp+="-e s|@${arg}@|${!arg}|g "
 done
 
 # configure compat version sources
@@ -381,7 +381,7 @@ fi
 # generate Makefiles
 for target in ${targetlist}; do
    echo "creating $target"
-   perl -pe "$translation_regexp" ${target}.in >$target
+   sed $translation_regexp ${target}.in >$target
 done
 
 exit 0

contrib/rpm/environment-modules.spec

@@ -12,7 +12,7 @@ Source0:        http://downloads.sourceforge.net/modules/modules-%{version}-beta
 
 BuildRequires:  tcl
 BuildRequires:  dejagnu
-BuildRequires:  perl
+BuildRequires:  sed
 %if 0%{?rhel} && 0%{?rhel} <= 6
 BuildRequires:  net-tools
 %else

doc/Makefile

@@ -35,13 +35,13 @@ all: html
 endif
 
 define translate-in-script
-perl -pe 's|\@prefix\@|$(prefix)|g; \
-	s|\@libexecdir\@|$(libexecdir)|g; \
-	s|\@initdir\@|$(initdir)|g; \
-	s|\@modulefilesdir\@|$(modulefilesdir)|g; \
-	s|\@MODULES_RELEASE\@|$(MODULES_RELEASE)|g; \
-	s|\@MODULES_BUILD\@|$(MODULES_BUILD)|g; \
-	s|\@MODULES_BUILD_DATE\@|$(MODULES_BUILD_DATE)|g;' $< > $@
+sed -e 's|@prefix@|$(prefix)|g' \
+	-e 's|@libexecdir@|$(libexecdir)|g' \
+	-e 's|@initdir@|$(initdir)|g' \
+	-e 's|@modulefilesdir@|$(modulefilesdir)|g' \
+	-e 's|@MODULES_RELEASE@|$(MODULES_RELEASE)|g' \
+	-e 's|@MODULES_BUILD@|$(MODULES_BUILD)|g' \
+	-e 's|@MODULES_BUILD_DATE@|$(MODULES_BUILD_DATE)|g' $< > $@
 endef
 
 # avoid shared definitions to be rebuilt by make

init/Makefile

@@ -47,39 +47,39 @@ all: $(ALL_SHELLS) $(ALL_CONFIG) $(EXAMPLE_MODFILES_SRCDIR)/modules
 # if enabled translate to keep text after markup elsewhere remove the
 # entire line
 ifeq ($(setmanpath),y)
-  setmanpathre := \1\n
+  setmanpathre := s|@setmanpath@||g
 else
-  setmanpathre :=
+  setmanpathre := /@setmanpath@/d
 endif
 ifeq ($(setbinpath),y)
-  setbinpathre := \1\n
+  setbinpathre := s|@setbinpath@||g
 else
-  setbinpathre :=
+  setbinpathre := /@setbinpath@/d
 endif
 ifeq ($(compatversion),y)
-  compatversionre := \1\n
-  notcompatversionre :=
+  compatversionre := s|@compatversion@||g
+  notcompatversionre := /@notcompatversion@/d
 else
-  compatversionre :=
-  notcompatversionre := \1\n
+  compatversionre := /@compatversion@/d
+  notcompatversionre := s|@notcompatversion@||g
 endif
 
 define translate-in-script
-perl -pe 's|\@prefix\@|$(prefix)|g; \
-	s|\@libexecdir\@|$(libexecdir)|g; \
-	s|\@initdir\@|$(initdir)|g; \
-	s|\@modulefilesdir\@|$(modulefilesdir)|g; \
-	s|\@bindir\@|$(bindir)|g; \
-	s|\@mandir\@|$(mandir)|g; \
-	s|\@setmanpath\@(.*)\n|$(setmanpathre)|g; \
-	s|\@setbinpath\@(.*)\n|$(setbinpathre)|g; \
-	s|\@compatversion\@(.*)\n|$(compatversionre)|g; \
-	s|\@notcompatversion\@(.*)\n|$(notcompatversionre)|g; \
-	s|\@modulerc\@|$(modulerc)|g; \
-	s|\@modulepath\@|$(modulepath)|g; \
-	s|\@SHELLNAME\@|$@|g; \
-	s|\@VERSION\@|$(MODULES_RELEASE)$(MODULES_BUILD)|g; \
-	s|\@TCLSH\@|$(TCLSH)|g' $< > $@
+sed -e 's|@prefix@|$(prefix)|g' \
+	-e 's|@libexecdir@|$(libexecdir)|g' \
+	-e 's|@initdir@|$(initdir)|g' \
+	-e 's|@modulefilesdir@|$(modulefilesdir)|g' \
+	-e 's|@bindir@|$(bindir)|g' \
+	-e 's|@mandir@|$(mandir)|g' \
+	-e '$(setmanpathre)' \
+	-e '$(setbinpathre)' \
+	-e '$(compatversionre)' \
+	-e '$(notcompatversionre)' \
+	-e 's|@modulerc@|$(modulerc)|g' \
+	-e 's|@modulepath@|$(modulepath)|g' \
+	-e 's|@SHELLNAME@|$@|g' \
+	-e 's|@VERSION@|$(MODULES_RELEASE)$(MODULES_BUILD)|g' \
+	-e 's|@TCLSH@|$(TCLSH)|g' $< > $@
 endef
 
 # avoid shared definitions to be rebuilt by make