configure: Reduce redundant info in CONFFLAGS for bfs --version

1 files changed, 8 insertions, 1 deletions

diff --git a/configure b/configure
index 5156c91..5218e73 100755
--- a/configure
+++ b/configure
@@ -88,7 +88,7 @@ nproc() {
 }
 
 # Save the ./configure command line for bfs --version
-export CONFFLAGS="$*"
+export CONFFLAGS=""
 
 # Default to `make`
 MAKE="${MAKE-make}"
@@ -97,6 +97,13 @@ MAKE="${MAKE-make}"
 for arg; do
     shift
 
+    # Only add --options to CONFFLAGS, so we don't print FLAG=values twice in bfs --version
+    case "$arg" in
+        -*)
+            CONFFLAGS="${CONFFLAGS}${CONFFLAGS:+ }${arg}"
+            ;;
+    esac
+
     # --[(enable|disable|with|without)-]$name[=$value]
     value="${arg#*=}"
     name="${arg%%=*}"