utils_db_query: Added lost free().

[collectd.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 6876829..4be85bb 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -766,10 +766,7 @@ AC_CHECK_FUNCS_ONCE([ \
 AC_FUNC_STRERROR_R
 
 SAVE_CFLAGS="$CFLAGS"
-# Emulate behavior of src/Makefile.am
-if test "x$GCC" = "xyes"; then
-  CFLAGS="$CFLAGS -Wall -Werror"
-fi
+CFLAGS="-Wall -Werror"
 
 AC_CACHE_CHECK([for strtok_r],
   [c_cv_have_strtok_r_default],
@@ -1878,14 +1875,23 @@ fi
 
 # libi2c-dev
 if test "x$ac_system" = "xLinux"; then
+  with_libi2c_libs=""
+  AC_CHECK_HEADERS([i2c/smbus.h],
+    [with_libi2c_libs="-li2c"]
+  )
   AC_CHECK_DECL([i2c_smbus_read_i2c_block_data],
     [with_libi2c="yes"],
     [with_libi2c="no (symbol i2c_smbus_read_i2c_block_data not found - have you installed libi2c-dev ?)"],
     [[
       #include <stdlib.h>
       #include <linux/i2c-dev.h>
+      #if HAVE_I2C_SMBUS_H
+      # include <i2c/smbus.h>
+      #endif
     ]]
   )
+  BUILD_WITH_LIBI2C_LIBS="$with_libi2c_libs"
+  AC_SUBST([BUILD_WITH_LIBI2C_LIBS])
 else
   with_libi2c="no (Linux only)"
 fi