Issue #741: Change configure.ac to use only dash compatible code

configure

@@ -4435,7 +4435,7 @@ fi
 if test ${with_lua+y}
 then :
   withval=$with_lua; PATH_TO_LUA="$withval"
-    if test ${PATH_TO_LUA:0:1} != '/' ; then
+    if test $(printf %.1s" "$PATH_TO_LUA) != '/' ; then
       echo
       echo "ERROR: Path to lua must be absolute!"
       exit 1
@@ -4459,7 +4459,7 @@ fi
 if test ${with_luac+y}
 then :
   withval=$with_luac; PATH_TO_LUAC="$withval"
-    if test ${PATH_TO_LUAC:0:1} != '/' ; then
+    if test $(printf %.1s" "$PATH_TO_LUAC) != '/' ; then
       echo
       echo "ERROR: Path to luac must be absolute"
       exit 1
@@ -4735,7 +4735,7 @@ PATH_TO_SRC=$SRCDIR
 
 
 
-if test $MODE == "user_default" ; then
+if test $MODE = "user_default" ; then
   mode=0755
   EXEC_BITS=$(( 0111 & $mode ));
   if test $EXEC_BITS = 0; then
@@ -5403,14 +5403,14 @@ test -n "$PATH_TO_LS" || PATH_TO_LS=""""
 
 ##### LUA configuration -- start
 
-if ! command -v $PATH_TO_LUA &>/dev/null ; then
+if ! (command -v $PATH_TO_LUA &>/dev/null) ; then
   echo 'The program "'$PATH_TO_LUA'" must be in your path'
   rm -f makefile
   exit 1
 fi
 
 if test "${LUA_SUFFIX}" != no ; then
-   if test "${PATH_TO_LUA:0:1}" = '/' -o "${PATH_TO_LUAC:0:1}" = '/'; then
+   if test $(printf %.1s "$PATH_TO_LUA") = '/' -o $(printf %.1s "$PATH_TO_LUA") = '/'; then
       echo "Neither --with-lua= nor --with-luac= can be used with --with-luaSuffix="
       rm -f makefile
       exit 1
@@ -5420,10 +5420,10 @@ if test "${LUA_SUFFIX}" != no ; then
    echo "1) PATH_TO_LUA: $PATH_TO_LUA"
 else
    mismatch=
-   if test "${PATH_TO_LUA:0:1}" = '/' -a "${PATH_TO_LUAC:0:1}" != '/'; then
+   if test $(printf %.1s "$PATH_TO_LUA") = '/' -a $(printf %.1s "$PATH_TO_LUA") != '/'; then
       mismatch="true"
    fi
-   if test "${PATH_TO_LUA:0:1}" != '/' -a "${PATH_TO_LUAC:0:1}" = '/'; then
+   if test $(printf %.1s "$PATH_TO_LUA") != '/' -a $(printf %.1s "$PATH_TO_LUA") = '/'; then
       mismatch="true"
    fi
    if test "$mismatch" = true ; then
@@ -5433,13 +5433,13 @@ else
    fi
 fi
 
-if ! command -v $PATH_TO_LUA &>/dev/null ; then
+if ! (command -v $PATH_TO_LUA &>/dev/null) ; then
   echo 'The program "'$PATH_TO_LUA'" must be in your path'
   rm -f makefile
   exit 1
 fi
 
-if test ${PATH_TO_LUA:0:1} != '/' ; then
+if test $(printf %.1s "$PATH_TO_LUA") != '/' ; then
   # Extract the first word of "$PATH_TO_LUA", so it can be a program name with args.
 set dummy $PATH_TO_LUA; ac_word=$2
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
@@ -5488,13 +5488,13 @@ fi
   PATH_TO_LUA=$(FOLLOW_READLINK $FIND_PATH_TO_LUA)
 fi
 
-if ! command -v $PATH_TO_LUAC &>/dev/null ; then
+if ! (command -v $PATH_TO_LUAC &>/dev/null) ; then
   echo 'The program "'$PATH_TO_LUAC'" must be in your path'
   rm -f makefile
   exit 1
 fi
 
-if test "${PATH_TO_LUAC:0:1}" != '/' ; then
+if test $(printf %.1s "$PATH_TO_LUA") != '/' ; then
   # Extract the first word of "$PATH_TO_LUAC", so it can be a program name with args.
 set dummy $PATH_TO_LUAC; ac_word=$2
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
@@ -5589,7 +5589,7 @@ printf "checking for lua modules: posix"
 
 missingModules=""
 for i in posix; do
-  if ! $PATH_TO_LUA $ac_confdir/proj_mgmt/luaModuleAvailable $i 2> /dev/null ; then
+  if ! ($PATH_TO_LUA $ac_confdir/proj_mgmt/luaModuleAvailable $i 2> /dev/null) ; then
     missingModules="$missingModules $i"
   fi
 done

configure.ac

@@ -678,7 +678,7 @@ AC_SUBST(PATH_TO_LUA)
 AC_ARG_WITH(lua,
     AS_HELP_STRING([--with-lua=ans],[absolute path to the lua interpreter to use [[lua]]]),
     PATH_TO_LUA="$withval"
-    if test ${PATH_TO_LUA:0:1} != '/' ; then
+    if test $(printf %.1s" "$PATH_TO_LUA) != '/' ; then
       echo 
       echo "ERROR: Path to lua must be absolute!"
       exit 1
@@ -695,7 +695,7 @@ AC_SUBST(PATH_TO_LUAC)
 AC_ARG_WITH(luac,
     AS_HELP_STRING([--with-luac=ans],[absolute path to the luac interpreter to use [[luac]]]),
     PATH_TO_LUAC="$withval"
-    if test ${PATH_TO_LUAC:0:1} != '/' ; then
+    if test $(printf %.1s" "$PATH_TO_LUAC) != '/' ; then
       echo 
       echo "ERROR: Path to luac must be absolute"
       exit 1
@@ -816,7 +816,7 @@ AC_SUBST(PATH_TO_HASHSUM)
 AC_SUBST(PATH_TO_PAGER)
 AC_SUBST(PATH_TO_TCLSH)
 
-if test $MODE == "user_default" ; then
+if test $MODE = "user_default" ; then
   mode=0755
   EXEC_BITS=$(( 0111 & $mode ));
   if test $EXEC_BITS = 0; then
@@ -909,14 +909,14 @@ AC_PATH_PROGS(PATH_TO_LS, [gls] [ls], "")
 
 ##### LUA configuration -- start
 
-if ! command -v $PATH_TO_LUA &>/dev/null ; then
+if ! (command -v $PATH_TO_LUA &>/dev/null) ; then
   echo 'The program "'$PATH_TO_LUA'" must be in your path'
   rm -f makefile
   exit 1
 fi
 
 if test "${LUA_SUFFIX}" != no ; then
-   if test "${PATH_TO_LUA:0:1}" = '/' -o "${PATH_TO_LUAC:0:1}" = '/'; then
+   if test $(printf %.1s "$PATH_TO_LUA") = '/' -o $(printf %.1s "$PATH_TO_LUA") = '/'; then
       echo "Neither --with-lua= nor --with-luac= can be used with --with-luaSuffix="
       rm -f makefile
       exit 1
@@ -926,10 +926,10 @@ if test "${LUA_SUFFIX}" != no ; then
    echo "1) PATH_TO_LUA: $PATH_TO_LUA"
 else   
    mismatch=
-   if test "${PATH_TO_LUA:0:1}" = '/' -a "${PATH_TO_LUAC:0:1}" != '/'; then
+   if test $(printf %.1s "$PATH_TO_LUA") = '/' -a $(printf %.1s "$PATH_TO_LUA") != '/'; then
       mismatch="true"
    fi
-   if test "${PATH_TO_LUA:0:1}" != '/' -a "${PATH_TO_LUAC:0:1}" = '/'; then
+   if test $(printf %.1s "$PATH_TO_LUA") != '/' -a $(printf %.1s "$PATH_TO_LUA") = '/'; then
       mismatch="true"
    fi
    if test "$mismatch" = true ; then
@@ -939,24 +939,24 @@ else
    fi   
 fi
 
-if ! command -v $PATH_TO_LUA &>/dev/null ; then
+if ! (command -v $PATH_TO_LUA &>/dev/null) ; then
   echo 'The program "'$PATH_TO_LUA'" must be in your path'
   rm -f makefile
   exit 1
 fi
 
-if test ${PATH_TO_LUA:0:1} != '/' ; then
+if test $(printf %.1s "$PATH_TO_LUA") != '/' ; then
   AC_PATH_PROG(FIND_PATH_TO_LUA, $PATH_TO_LUA)
   PATH_TO_LUA=$(FOLLOW_READLINK $FIND_PATH_TO_LUA)
 fi
 
-if ! command -v $PATH_TO_LUAC &>/dev/null ; then
+if ! (command -v $PATH_TO_LUAC &>/dev/null) ; then
   echo 'The program "'$PATH_TO_LUAC'" must be in your path'
   rm -f makefile
   exit 1
 fi
 
-if test "${PATH_TO_LUAC:0:1}" != '/' ; then
+if test $(printf %.1s "$PATH_TO_LUA") != '/' ; then
   AC_PATH_PROG(FIND_PATH_TO_LUAC, $PATH_TO_LUAC)
   PATH_TO_LUAC=$(FOLLOW_READLINK $FIND_PATH_TO_LUAC)
 fi
@@ -1007,7 +1007,7 @@ printf "checking for lua modules: posix"
 
 missingModules=""
 for i in posix; do
-  if ! $PATH_TO_LUA $ac_confdir/proj_mgmt/luaModuleAvailable $i 2> /dev/null ; then
+  if ! ($PATH_TO_LUA $ac_confdir/proj_mgmt/luaModuleAvailable $i 2> /dev/null) ; then
     missingModules="$missingModules $i"
   fi
 done

proj_mgmt/DATE_cmd.sh

@@ -1,4 +1,4 @@
-#!/bin/bash 
+#!/bin/sh
 # -*- shell-script -*-
 
 arg="$1"

proj_mgmt/convert_mode.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 # -*- shell-script -*-
 
 KIND=$1

rt/end2end/end2end.tdesc

@@ -29,15 +29,14 @@ testdescript = {
      DIR=Lmod
      dir=lmod
 
-
      remove_generated_lmod_files build b0 lmod results.csv
 
      GIT_BRANCH=`git status | head -n 1 | sed -e 's/^[# ]*On branch //g' -e 's/^[# ]*HEAD detached at//g'`
      runLmod --version              # 1
      LmodV=`$LUA_EXEC $projectDir/src/$CMD bash --dumpversion 2>&1`
      echo LmodV=$LmodV
      mkdir b0
-     (cd b0; $(projectDir)/configure --prefix=$(outputDir)/b0 --with-useBuiltinPkgs=yes)
+     (cd b0; sh $(projectDir)/configure --prefix=$(outputDir)/b0 --with-useBuiltinPkgs=yes)
      (cd $(projectDir); make -f $(outputDir)/b0/makefile dist GIT_BRANCH=$GIT_BRANCH)
      tar xf $projectDir/${DIR}-$LmodV.tar.bz2
      rm -rf $projectDir/${DIR}-$LmodV.tar.bz2