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-rw-r--r--Build/source/texk/web2c/cpascal.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/Build/source/texk/web2c/cpascal.h b/Build/source/texk/web2c/cpascal.h
index b2cc4619848..ea71e72a298 100644
--- a/Build/source/texk/web2c/cpascal.h
+++ b/Build/source/texk/web2c/cpascal.h
@@ -48,6 +48,7 @@
#define odd(x) ((x) & 1)
#define round(x) zround ((double) (x))
#define trunc(x) ((integer) (x))
+#undef floor /* MacOSX */
#define floor(x) ((integer)floor((double)(x)))
#define input stdin
#define output stdout