From 72f9377893a401cb13337523c1950d047d3c4acf Mon Sep 17 00:00:00 2001 From: Ben Elliston Date: Tue, 12 Jul 2005 06:11:30 +0000 Subject: [PATCH] floatformat.c (floatformat_to_double): Add a comment about a potential source of warnings when compiling this file. * floatformat.c (floatformat_to_double): Add a comment about a potential source of warnings when compiling this file. From-SVN: r101914 --- libiberty/ChangeLog | 5 +++++ libiberty/floatformat.c | 7 +++++++ 2 files changed, 12 insertions(+) diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog index bb11111..e2cbeb4 100644 --- a/libiberty/ChangeLog +++ b/libiberty/ChangeLog @@ -1,5 +1,10 @@ 2005-07-12 Ben Elliston + * floatformat.c (floatformat_to_double): Add a comment about a + potential source of warnings when compiling this file. + +2005-07-12 Ben Elliston + * pexecute.c (pexecute): Cast string litrals to char *. * regex.c (re_comp): Cast a call to gettext() to char *. diff --git a/libiberty/floatformat.c b/libiberty/floatformat.c index 41000f4..e466f53 100644 --- a/libiberty/floatformat.c +++ b/libiberty/floatformat.c @@ -306,6 +306,13 @@ floatformat_to_double (const struct floatformat *fmt, mant_bits_left -= mant_bits; } + /* On certain systems (such as GNU/Linux), the use of the + INFINITY macro below may generate a warning that can not be + silenced due to a bug in GCC (PR preprocessor/11931). The + preprocessor fails to recognise the __extension__ keyword in + conjunction with the GNU/C99 extension for hexadecimal + floating point constants and will issue a warning when + compiling with -pedantic. */ if (nan) dto = NAN; else -- 2.7.4