configure: Avoid use of param. expansion when using gdb_version

$gdb_version is now used in more than one conditional case and its usage
in such cases may increase in the future. Therefore, avoid using shell
parameter expansion when using it by setting gdb_version to its final
form.

Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Message-Id: <20240804161850.2646299-3-gustavo.romero@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240813202329.1237572-5-alex.bennee@linaro.org>

diff --git a/configure b/configure
index a3aa257fd35092e49fcd8d571872ff61b4d1ceb6..97de85d710742e07ed1c8f76b8b3a1537a549405 100755 (executable)
--- a/configure
+++ b/configure
@@ -1103,8 +1103,10 @@ fi
 # gdb test
 
 if test -n "$gdb_bin"; then
-    gdb_version=$($gdb_bin --version | head -n 1)
-    if version_ge ${gdb_version##* } 9.1; then
+    gdb_version_string=$($gdb_bin --version | head -n 1)
+    # Extract last field in the version string
+    gdb_version=${gdb_version_string##* }
+    if version_ge $gdb_version 9.1; then
         gdb_arches=$($python "$source_path/scripts/probe-gdb-support.py" $gdb_bin)
     else
         gdb_bin=""
@@ -1673,7 +1675,7 @@ for target in $target_list; do
           echo "GDB=$gdb_bin" >> $config_target_mak
       fi
 
-      if test "${gdb_arches#*aarch64}" != "$gdb_arches" && version_ge ${gdb_version##* } 15.0; then
+      if test "${gdb_arches#*aarch64}" != "$gdb_arches" && version_ge $gdb_version 15.0; then
           echo "GDB_HAS_MTE=y" >> $config_target_mak
       fi