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| author | Nick Mathewson <nickm@torproject.org> | 2016-05-30 13:57:32 -0400 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2016-06-11 10:11:52 -0400 |
| commit | 8f2d2933f912c9952453b17b19636c26579e2323 (patch) | |
| tree | 2165851a39ac9517d9328481e230490ddc47f421 /configure.ac | |
| parent | 493499a3399f8a8532b4b2a80006c033e8f64c58 (diff) | |
| download | tor-8f2d2933f912c9952453b17b19636c26579e2323.tar.gz tor-8f2d2933f912c9952453b17b19636c26579e2323.zip | |
Use -Wdouble-promotion in GCC >= 4.6
This warning triggers on silently promoting a float to a double. In
our code, it's just a sign that somebody used a float by mistake,
since we always prefer double.
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index dc3a329ad4..38c922bdd1 100644 --- a/configure.ac +++ b/configure.ac @@ -1756,6 +1756,7 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [ CFLAGS="$CFLAGS -Wlogical-op" # and these should be just fine in gcc 4.6 CFLAGS="$CFLAGS -Wmissing-format-attribute -Wsuggest-attribute=noreturn -Wsync-nand -Wtrampolines -Wunused-but-set-parameter -Wunused-but-set-variable -Wvariadic-macros" + CFLAGS="$CFLAGS -Wdouble-promotion" fi if test "x$have_gcc47" = "xyes"; then |