commit 8b95fa19cd7bb62af05ccec1e408a33ec30d54fc
author Mark Adler <madler@alumni.caltech.edu> Tue Oct 11 22:21:04 2016 -0700
committer Mark Adler <madler@alumni.caltech.edu> Tue Oct 11 22:21:04 2016 -0700
tree f1cc153f510b797514a2d973024f8a6d8879982c
parent 7096424f23df1b1813237fb5f8bc8f34cfcedd0c

Add --warn option to ./configure, instead of environment variable.

configure

diff --git a/configure b/configure
index 6438438..4fc7e48 100755
--- a/configure
+++ b/configure
@@ -85,6 +85,7 @@
 zconst=0
 build64=0
 gcc=0
+warn=0
 old_cc="$CC"
 old_cflags="$CFLAGS"
 OBJC='$(OBJZ) $(OBJG)'
@@ -133,6 +134,7 @@
     --sysconfdir=*) echo "ignored option: --sysconfdir" | tee -a configure.log; shift ;;
     --localstatedir=*) echo "ignored option: --localstatedir" | tee -a configure.log; shift ;;
     -c* | --const) zconst=1; shift ;;
+    -w* | --warn) warn=1; shift ;;
     *)
       echo "unknown option: $1" | tee -a configure.log
       echo "$0 --help for help" | tee -a configure.log
@@ -184,7 +186,7 @@
     CFLAGS="${CFLAGS} -m64"
     SFLAGS="${SFLAGS} -m64"
   fi
-  if test "${ZLIBGCCWARN}" = "YES"; then
+  if test "$warn" -eq 1; then
     if test "$zconst" -eq 1; then
       CFLAGS="${CFLAGS} -Wall -Wextra -Wcast-qual -pedantic -DZLIB_CONST"
     else