File 0196-fix-.-configure-script-handling-of-expr-1-... of Package erlang

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File 0196-fix-.-configure-script-handling-of-expr-1-on-BSD.patch of Package erlang (Revision dbf46e61b8023f4ac6ad2ef5582bedfe)

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From c86d3f285aa844dafc55548bcfc367ffacc73daa Mon Sep 17 00:00:00 2001
From: Dave Cottlehuber <dch@skunkwerks.at>
Date: Fri, 28 May 2021 08:15:05 +0000
Subject: [PATCH] fix ./configure script handling of expr(1) on BSD

Without this patch, the following error occurs:
expr: illegal option -- -
expr: usage: expr [-e] expression

FreeBSD ports tree has carried a local patch addressing this for a while
---
 configure     | 10 +++++-----
 configure.src | 10 +++++-----
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/configure b/configure
index e02aed6a00..de7045e377 100755
--- a/configure
+++ b/configure
@@ -55,7 +55,7 @@ skip_applications=
 while test $# != 0; do
     case $1 in
 	-srcdir=* | --srcdir=*)
-	    user_srcdir=`expr "$1" : '[^=]*=$.*$'`
+	    user_srcdir=`expr -- "$1" : '[^=]*=$.*$'`
 	    if test "$ERL_TOP" != ""; then
 		echo "WARNING: Overriding ERL_TOP with $user_srcdir" 1>&2
 		echo "" 1>&2
@@ -95,7 +95,7 @@ while test $# != 0; do
 	    echo "" 1>&2
 	    ;;
 	-cache-file=* | --cache-file=* )
-	    static_cache=`expr "$1" : '[^=]*=$.*$'`
+	    static_cache=`expr -- "$1" : '[^=]*=$.*$'`
 	    if test "$static_cache" != "/dev/null"; then
 		echo "WARNING: Only using config cache file '$static_cache' as static cache" 1>&2
 		echo "" 1>&2
@@ -140,8 +140,8 @@ while test $# != 0; do
 	    pie_ldflags="-no-pie"
 	    ;;
 	CFLAGS=* | LDFLAGS=*)
-	    flgs_var=`expr "$1" : '$[^=]*$=.*'`
-	    flgs_val=`expr "$1" : '[^=]*=$.*$'`
+	    flgs_var=`expr -- "$1" : '$[^=]*$=.*'`
+	    flgs_val=`expr -- "$1" : '[^=]*=$.*$'`
 	    eval $flgs_var=\$flgs_val
 	    ;;
 	--help=r* | -help=r*)
@@ -151,7 +151,7 @@ while test $# != 0; do
         *)
 	    case $1 in
 		--without-*)
-		    skip_app=`expr "$1" : '--without-$.*$'`
+		    skip_app=`expr -- "$1" : '--without-$.*$'`
                     if [ "$skip_app" = "stdlib" ] ||
                            [ "$skip_app" = "kernel" ] ||
                            [ "$skip_app" = "sasl" ] ||
diff --git a/configure.src b/configure.src
index 92c9031ff7..03bc4b3947 100644
--- a/configure.src
+++ b/configure.src
@@ -55,7 +55,7 @@ skip_applications=
 while test $# != 0; do
     case $1 in
 	-srcdir=* | --srcdir=*)
-	    user_srcdir=`expr "$1" : '[^=]*=$.*$'`
+	    user_srcdir=`expr -- "$1" : '[^=]*=$.*$'`
 	    if test "$ERL_TOP" != ""; then
 		echo "WARNING: Overriding ERL_TOP with $user_srcdir" 1>&2
 		echo "" 1>&2
@@ -95,7 +95,7 @@ while test $# != 0; do
 	    echo "" 1>&2
 	    ;;
 	-cache-file=* | --cache-file=* )
-	    static_cache=`expr "$1" : '[^=]*=$.*$'`
+	    static_cache=`expr -- "$1" : '[^=]*=$.*$'`
 	    if test "$static_cache" != "/dev/null"; then
 		echo "WARNING: Only using config cache file '$static_cache' as static cache" 1>&2
 		echo "" 1>&2
@@ -140,8 +140,8 @@ while test $# != 0; do
 	    pie_ldflags="-no-pie"
 	    ;;
 	CFLAGS=* | LDFLAGS=*)
-	    flgs_var=`expr "$1" : '$[^=]*$=.*'`
-	    flgs_val=`expr "$1" : '[^=]*=$.*$'`
+	    flgs_var=`expr -- "$1" : '$[^=]*$=.*'`
+	    flgs_val=`expr -- "$1" : '[^=]*=$.*$'`
 	    eval $flgs_var=\$flgs_val
 	    ;;
 	--help=r* | -help=r*)
@@ -151,7 +151,7 @@ while test $# != 0; do
         *)
 	    case $1 in
 		--without-*)
-		    skip_app=`expr "$1" : '--without-$.*$'`
+		    skip_app=`expr -- "$1" : '--without-$.*$'`
                     if [ "$skip_app" = "stdlib" ] ||
                            [ "$skip_app" = "kernel" ] ||
                            [ "$skip_app" = "sasl" ] ||
-- 
2.26.2

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File 0196-fix-.-configure-script-handling-of-expr-1-on-BSD.patch of Package erlang (Revision dbf46e61b8023f4ac6ad2ef5582bedfe)

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