AC_PROG_LIBTOOL
AC_PROG_LEX
AC_PROG_YACC
+
+# Warn when pkg.m4 is missing
+m4_pattern_forbid([^_?PKG_[A-Z_]+$],[*** pkg.m4 missing, please install pkg-config])
+
PKG_PROG_PKG_CONFIG
AC_CHECK_PROG([have_protoc_c], [protoc-c], [yes], [no])
AC_CHECK_LIB(jvm, JNI_CreateJavaVM,
[with_java="yes"],
[with_java="no (Symbol 'JNI_CreateJavaVM' not found)"],
- [$JAVA_LIBS])
+ [$JAVA_LIBS $PTHREAD_LIBS])
fi
if test "x$with_java" = "xyes"
then