Allow disabling ICU by using a fake icu-config script

diff --git a/configure.ac b/configure.ac
index c1d10b0..af0950f 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -177,7 +177,7 @@ dnl Fallback to icu-config if ICU pkg-config files could not be found
 if test "$have_icu" != "true"; then
        AC_PATH_PROG(icu_config, icu-config, no)
        AC_MSG_CHECKING([for ICU by using icu-config fallback])
-       if test "$icu_config" != "no"; then
+       if test "$icu_config" != "no" && "$icu_config" --version >/dev/null; then
                have_icu=true
                # We don't use --cflags as this gives us a lot of things that we don't
                # necessarily want, like debugging and optimization flags
@@ -205,7 +205,7 @@ dnl Fallback to icu-config if ICU pkg-config files could not be found
 if test "$have_icu_le" != "true"; then
        AC_PATH_PROG(icu_config, icu-config, no)
        AC_MSG_CHECKING([for ICU_LE by using icu-config fallback])
-       if test "$icu_config" != "no"; then
+       if test "$icu_config" != "no" && "$icu_config" --version >/dev/null; then
                have_icu_le=true
                # We don't use --cflags as this gives us a lot of things that we don't
                # necessarily want, like debugging and optimization flags