-dnl ** check for leading underscores in symbol names
-dnl
-dnl Test for determining whether symbol names have a leading
-dnl underscore.
-dnl
-dnl We assume that they _haven't_ if anything goes wrong.
-dnl
-dnl Some nlist implementations seem to try to be compatible by ignoring
-dnl a leading underscore sometimes (eg. FreeBSD). We therefore have
-dnl to work around this by checking for *no* leading underscore first.
-dnl Sigh. --SDM
-dnl
-dnl Similarly on OpenBSD, but this test doesn't help. -- dons
-dnl
-AC_DEFUN(FPTOOLS_UNDERSCORE,
-[AC_CHECK_LIB(elf, nlist, LIBS="-lelf $LIBS")dnl
-AC_CACHE_CHECK([leading underscore in symbol names], fptools_cv_lead_uscore,
-
-dnl
-dnl Hack!: nlist() under Digital UNIX insist on there being an _,
-dnl but symbol table listings shows none. What is going on here?!?
-dnl
-dnl Another hack: cygwin doesn't come with nlist.h , so we hardwire
-dnl the underscoredness of that "platform"
-changequote(<<, >>)dnl
-<<
+# FP_LEADING_UNDERSCORE
+# ---------------------
+# Test for determining whether symbol names have a leading underscore. We assume
+# that they _haven't_ if anything goes wrong. Sets the output variable
+# LeadingUnderscore to YES or NO and defines LEADING_UNDERSCORE correspondingly.
+#
+# Some nlist implementations seem to try to be compatible by ignoring a leading
+# underscore sometimes (eg. FreeBSD). We therefore have to work around this by
+# checking for *no* leading underscore first. Sigh. --SDM
+#
+# Similarly on OpenBSD, but this test doesn't help. -- dons
+AC_DEFUN([FP_LEADING_UNDERSCORE],
+[AC_CHECK_LIB([elf], [nlist], [LIBS="-lelf $LIBS"])
+AC_CACHE_CHECK([leading underscore in symbol names], [fptools_cv_leading_underscore], [
+# Hack!: nlist() under Digital UNIX insist on there being an _,
+# but symbol table listings shows none. What is going on here?!?
+#
+# Another hack: cygwin doesn't come with nlist.h , so we hardwire
+# the underscoredness of that "platform"