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--- a/unix/tcl.m4
+++ b/unix/tcl.m4
@@ -2470,12 +2470,9 @@
#--------------------------------------------------------------------
# On a few very rare systems, all of the libm.a stuff is
# already in libc.a. Set compiler flags accordingly.
- # Also, Linux requires the "ieee" library for math to work
- # right (and it must appear before "-lm").
#--------------------------------------------------------------------
AC_CHECK_FUNC(sin, MATH_LIBS="", MATH_LIBS="-lm")
- AC_CHECK_LIB(ieee, main, [MATH_LIBS="-lieee $MATH_LIBS"])
#--------------------------------------------------------------------
# Interactive UNIX requires -linet instead of -lsocket, plus it
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