From 2128b540f0f86d9283bdba25c74a3f1f25c23d03 Mon Sep 17 00:00:00 2001
From: vsr <vsr@opencascade.com>
Date: Wed, 28 Dec 2005 10:59:13 +0000
Subject: [PATCH] Improve try_native() function for the gcc

---
 config_files/common.sh    | 32 ++++++++++++++++++++++++++++++++
 config_files/gcc-3.3.5.sh | 11 ++++-------
 2 files changed, 36 insertions(+), 7 deletions(-)

diff --git a/config_files/common.sh b/config_files/common.sh
index a89c48e..395a2de 100755
--- a/config_files/common.sh
+++ b/config_files/common.sh
@@ -391,6 +391,38 @@ fi
 return $to_tail
 }
 
+where_gcc(){
+maj_ver=`echo $1 | awk -F. '{if(NF>0) print $1; else print 0}'`
+min_ver=`echo $1 | awk -F. '{if(NF>1) print $2; else print 0}'`
+rel_ver=`echo $1 | awk -F. '{if(NF>2) print $3; else print 0}'`
+let ver=$maj_ver*10000+$min_ver*100+$rel_ver
+newer=""
+newerver=0
+for i in `echo ${PATH}:/usr/bin:/usr/local/bin | sed -e"s%:% %g"` ; do 
+    ret=`find $i -name gcc -maxdepth 1 2>/dev/null`
+    if [ -n "$ret" ] ; then
+	maj_ver=`$ret -dumpversion | awk -F. '{if(NF>0) print $1; else print 0}'`
+	min_ver=`$ret -dumpversion | awk -F. '{if(NF>1) print $2; else print 0}'`
+	rel_ver=`$ret -dumpversion | awk -F. '{if(NF>2) print $3; else print 0}'`
+	let ver1=$maj_ver*10000+$min_ver*100+$rel_ver
+	if [ $ver1 -eq $ver ] ; then
+	    ret=`echo $ret | sed -e"s%/gcc$%%g"`
+	    echo $ret
+	    return 0
+	fi
+	if [ $ver1 -gt $ver ] && [ $ver1 -gt $newerver ] ; then
+	    let newerver=$ver1
+	    newer=`echo $ret | sed -e"s%/gcc$%%g"`
+	fi
+    fi
+done
+if [ -n "$newer" ] ; then
+    echo $newer
+    return 0
+fi
+return 1
+}
+
 where_tcl(){
 if test -z "${TCLHOME}"; then
     TCLHOME=/usr
diff --git a/config_files/gcc-3.3.5.sh b/config_files/gcc-3.3.5.sh
index 3678d1f..23fbcc8 100755
--- a/config_files/gcc-3.3.5.sh
+++ b/config_files/gcc-3.3.5.sh
@@ -26,19 +26,16 @@ make_env ${INSTALL_ROOT} ${INSTALL_WORK} "${PRODUCT_SEQUENCE}"
 
 # looks for the native product and collects it's environment (used by make_env())
 try_native(){
-gcc_root="`find_in_path gcc ${PATH}`"
-if [ -z "${gcc_root}" ] ; then
-    gcc_root="`find_in_path gcc /usr/bin`"
-fi
+gcc_root="`where_gcc 3.3.5`"
 if [ -n "${gcc_root}" ] ; then
     gcc_root=`cd ${gcc_root}/..; pwd`
     # 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 3.4.1 - 30401, for gcc 3.3.5 - 30305
-    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 $3; else print 0}'`
+    maj_ver=`${gcc_root}/bin/gcc -dumpversion | awk -F. '{if(NF>0) print $1; else print 0}'`
+    min_ver=`${gcc_root}/bin/gcc -dumpversion | awk -F. '{if(NF>1) print $2; else print 0}'`
+    rel_ver=`${gcc_root}/bin/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 30305 ]  ; then
 	tmp="\${GCC_ROOT}/bin ${gcc_root}/bin \${PATH} ${PATH}";  
-- 
2.39.2