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-rw-r--r--configure.ac1
1 files changed, 1 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 8bc8a56..ac5142b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -10,6 +10,7 @@ AM_MAINTAINER_MODE
dnl Checks for programs.
AC_PROG_CC
AC_PROG_GCC_TRADITIONAL
+AM_PROG_CC_C_O
dnl Checks for libraries.