From 19486da1e9d02b538e24d5989e2b1115535450d4 Mon Sep 17 00:00:00 2001
From: vsr <vsr@opencascade.com>
Date: Thu, 24 Feb 2005 16:24:07 +0000
Subject: [PATCH] Improve version checking algorithm to provide compilation
 procedure for Red Hat 9

---
 config_files/Python-2.2.1.sh | 26 +++++++++++++++++++++++---
 config_files/gcc-3.2.sh      | 22 +++++++++++++++++-----
 2 files changed, 40 insertions(+), 8 deletions(-)

diff --git a/config_files/Python-2.2.1.sh b/config_files/Python-2.2.1.sh
index 9a3a86e..6773f8d 100755
--- a/config_files/Python-2.2.1.sh
+++ b/config_files/Python-2.2.1.sh
@@ -7,8 +7,11 @@ if [ -z "$PYTHONHOME"  ]; then
 fi
 isPython=`which python 2>/dev/null`
 if [ -n isPython ]; then
+  # version number is calculated as: <major>*10000+<minor>*100+<release>
+  # e.g. for Python 2.2.1 it is equal to 20201
   ver=`python -V 2>&1`
-  if [ "$ver" = "Python 2.2.1" ] ;  then 
+  ver=`echo $ver | awk '{print $2}' | awk -F. '{v1=0;v2=0;v3=0;if(NF>0)v1=$1;if(NF>1)v2=$2;if(NF>2)v3=$3;print v1*10000+v2*100+v3}'`
+  if [ $ver -eq 20201 ] ;  then 
     return 0
   fi
 fi
@@ -38,7 +41,17 @@ if [ -z "${pythonhome}" ] ; then
 fi
 if [ -n "${pythonhome}" ] ; then
     pythonhome=`cd ${pythonhome}/..; pwd`
-    if [ "`${pythonhome}/bin/python -V 2>&1`" == "Python 2.2.1" ] ; then 
+    # get version number: <major>, <minor> and <release>
+    # <major> and <minor> numbers are checked strickly, but <release> number can be larger than required one
+    # version number is calculated as: <major>*10000+<minor>*100+<release>
+    # e.g. for Python 2.2.1 it is equal to 20201
+    ver=`python -V 2>&1`
+    maj_ver=`echo $ver | awk '{print $2}' | awk -F. '{if(NF>0) print $1; else print 0}'`
+    min_ver=`echo $ver | awk '{print $2}' | awk -F. '{if(NF>1) print $2; else print 0}'`
+    rel_ver=`echo $ver | awk '{print $2}' | awk -F. '{if(NF>2) print $3; else print 0}'`
+    let ver=$maj_ver*10000+$min_ver*100+$rel_ver
+    if [ $ver -ge 20201 ] ;  then 
+#   if [ "`${pythonhome}/bin/python -V 2>&1`" == "Python 2.2.1" ] ; then 
 	tmp="\${PYTHONHOME}/lib/python2.2 ${pythonhome}/lib/python2.2 \${PYTHONPATH} ${PYTHONPATH}";  
 	pythonpath=`sort_path ${tmp}`
 	cat > ${INSTALL_WORK}/env_${PRODUCT_TYPE}.sh <<EOF 
@@ -49,7 +62,14 @@ export PYTHONPATH=${pythonpath}
 ##
 EOF
 	make_env ${INSTALL_ROOT} ${INSTALL_WORK} "${PRODUCT_SEQUENCE}"
-	return 0
+#######       THIS COULD BE USED FOR STRICT COMPARISON  ##############################
+#	if [ $maj_ver -eq 2 ] && [ $min_ver -eq 2 ] && [ $rel_ver -eq 1 ] ;  then 
+######################################################################################
+	if [ $maj_ver -eq 2 ] && [ $min_ver -eq 2 ] && [ $rel_ver -ge 1 ] ;  then 
+	    return 0
+	else
+	    return 2
+	fi
     fi
 fi
 return 1
diff --git a/config_files/gcc-3.2.sh b/config_files/gcc-3.2.sh
index 506ade8..58a8832 100755
--- a/config_files/gcc-3.2.sh
+++ b/config_files/gcc-3.2.sh
@@ -1,8 +1,10 @@
 #!/bin/sh
 
 check_version(){
-gcc_ver=`gcc -dumpversion | awk -F. '{ print $1 * 1000 + $2 }'`
-if [ $gcc_ver -eq 3002 ]  ; then
+# version number is calculated as: <major>*10000+<minor>*100+<release>
+# e.g. for gcc 3.2 it is equal to 30200, for gcc 3.3.2 - 30202
+gcc_ver=`gcc -dumpversion | awk -F. '{v1=0;v2=0;v3=0;if(NF>0)v1=$1;if(NF>1)v2=$2;if(NF>2)v3=$3;print v1*10000+v2*100+v3}'`
+if [ $gcc_ver -eq 30200 ]  ; then
     return 0
 fi
 return 1
@@ -30,8 +32,15 @@ if [ -z "${gcc_root}" ] ; then
 fi
 if [ -n "${gcc_root}" ] ; then
     gcc_root=`cd ${gcc_root}/..; pwd`
-    gcc_ver=`gcc -dumpversion | awk -F. '{ print $1 * 1000 + $2 }'`
-    if [ $gcc_ver -ge 3002 ]  ; then
+    # get version number: <major>, <minor> and <release>
+    # <major> and <minor> numbers are checked strickly, but <release> number can be larger than required one
+    # version number is calculated as: <major>*10000+<minor>*100+<release>
+    # e.g. for gcc 3.2 it is equal to 30200, for gcc 3.3.2 - 30202
+    maj_ver=`gcc -dumpversion | awk -F. '{if(NF>0) print $1; else print 0}'`
+    min_ver=`gcc -dumpversion | awk -F. '{if(NF>1) print $2; else print 0}'`
+    rel_ver=`gcc -dumpversion | awk -F. '{if(NF>2) print $3; else print 0}'`
+    let gcc_ver=$maj_ver*10000+$min_ver*100+$rel_ver
+    if [ $gcc_ver -ge 30200 ]  ; then
 	tmp="\${GCC_ROOT}/bin ${gcc_root}/bin \${PATH} ${PATH}";  
 	path=`sort_path ${tmp}`
 	tmp="\${GCC_ROOT}/lib ${gcc_root}/lib \${LD_LIBRARY_PATH} ${LD_LIBRARY_PATH}";  
@@ -46,7 +55,10 @@ export LD_LIBRARY_PATH=${ld_library_path}
 ##
 EOF
 	make_env ${INSTALL_ROOT} ${INSTALL_WORK} "${PRODUCT_SEQUENCE}"
-	if [ $gcc_ver -eq 3002 ]  ; then
+#######       THIS COULD BE USED FOR STRICT COMPARISON  ##############################
+#	if [ $maj_ver -eq 3 ] && [ $min_ver -eq 2 ] && [ $rel_ver -eq 0 ] ;  then 
+######################################################################################
+	if [ $maj_ver -eq 3 ] && [ $min_ver -eq 2 ] && [ $rel_ver -ge 0 ] ;  then 
 	    return 0
 	else
 	    return 2
-- 
2.39.2