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-rw-r--r--configure.ac2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index 3a38988..a073512 100644
--- a/configure.ac
+++ b/configure.ac
@@ -8,7 +8,7 @@ AC_CONFIG_SRCDIR([src/pnmcurve.c])
AC_CONFIG_HEADER(config.h)
CPPFLAGS="-g $CPPFLAGS"
-CFLAGS="-g $CFLAGS"
+CFLAGS="-g -O2 $CFLAGS"
LDFLAGS="-g $LDFLAGS"
# Checks for programs.