added --with-CC

only link with -lshadow on linux (with shadow pw) if libc lacks
getspnam()

diff --git a/configure.in b/configure.in
index 3150e660e4b4c270681d7df28579dd2de0ddb3ec..7aa9efd52a6415c6a8728a98e2700795258c9b59 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -48,6 +48,18 @@ dnl
 dnl Options for --with
 dnl
 
+AC_ARG_WITH(CC, [  --with-CC               C compiler to use],
+[case $with_CC in
+    yes)       echo "Must give --with-CC an argument."
+               exit 1
+               ;;
+    no)                echo "Illegal argument: --without-CC."
+               exit 1
+               ;;
+    *)         CC=$with_CC
+               ;;
+esac])
+
 AC_ARG_WITH(getpass, [  --with-getpass          use system getpass(3)],
 [case $with_getpass in
     yes)       AC_DEFINE(USE_GETPASS)
@@ -109,7 +121,7 @@ AC_ARG_WITH(kerb5, [  --with-kerb5            enable kerberos v5 support],
                ;;
 esac])
 
-AC_ARG_WITH(AFS, [  --with-AFS            enable AFS support],
+AC_ARG_WITH(AFS, [  --with-AFS              enable AFS support],
 [case $with_AFS in
     yes)       AC_DEFINE(HAVE_AFS)
                echo 'Configuring for use with AFS'
@@ -119,7 +131,7 @@ AC_ARG_WITH(AFS, [  --with-AFS            enable AFS support],
                ;;
 esac])
 
-AC_ARG_WITH(DCE, [  --with-DCE            enable DCE support],
+AC_ARG_WITH(DCE, [  --with-DCE              enable DCE support],
 [case $with_DCE in
     yes)       AC_DEFINE(HAVE_DCE)
                echo 'Configuring for use with DCE'
@@ -320,7 +332,7 @@ case "$OS" in
                    SHADOW_TYPE="SPW_SVR4"
                    AC_DEFINE_UNQUOTED(SHADOW_TYPE, $SHADOW_TYPE)
                    OSDEFS="${OSDEFS} -DSHADOW_PWD"
-                   SUDO_LIBS="${SUDO_LIBS} -lshadow"
+                   AC_CHECK_FUNC(getspnam, , SUDO_LIBS="${SUDO_LIBS} -lshadow")
                fi
                ;;
     "convex")  echo "Looks like ConvexOs"