Utiliza crc32 da zlib para cálculo do campo de controle.

[cascardo/declara.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 2803970..52b450f 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -4,5 +4,10 @@ AM_INIT_AUTOMAKE
 LT_INIT
 AC_PROG_CC
 AC_PROG_INSTALL
+
+dnl Checking for zlib.
+AC_SEARCH_LIBS([crc32], [z], [],
+        AC_MSG_ERROR([could not find zlib]))
+
 AC_CONFIG_HEADERS([config.h])
 AC_OUTPUT(Makefile lib/Makefile src/Makefile test/Makefile)