fix bashisms in configure

[m6w6/ext-psi] / m4 / psi.m4

diff --git a/m4/psi.m4 b/m4/psi.m4
index cf7a0354e1ff0863fbc9eb43343b3b79f15bf036..9f770c903b9854a61dc0af61016332d8a7832355 100644 (file)
--- a/m4/psi.m4
+++ b/m4/psi.m4
@@ -152,7 +152,7 @@ dnl PSI_CONFIG_POSIX(section, headers)
 AC_DEFUN(PSI_CONFIG_POSIX, [
        PSI_CONFIG_POSIX_ENABLED($1, [
                PHP_CONFIGURE_PART(Configuring PSI POSIX: $1)
-               ifelse([$2],,,AC_CHECK_HEADERS($2))
+               ifelse([$2],,:,[AC_CHECK_HEADERS($2)])
        ], [
                return 0
        ])