diff options
| author | Ganesh Ajjanagadde <gajjanagadde@gmail.com> | 2015-08-26 09:36:25 -0400 |
|---|---|---|
| committer | Carl Eugen Hoyos <cehoyos@ag.or.at> | 2015-08-27 16:56:34 +0200 |
| commit | bfe525e6328e506ffab055ab5dc6acb2dfdfe8e5 (patch) | |
| tree | 10457b1fd2d3957f818ec848e0c49516e3af310a /configure | |
| parent | 0382c546cc937474a95efc408d257512d7843bff (diff) | |
| download | ffmpeg-streaming-bfe525e6328e506ffab055ab5dc6acb2dfdfe8e5.zip ffmpeg-streaming-bfe525e6328e506ffab055ab5dc6acb2dfdfe8e5.tar.gz | |
configure: warn if GCC 4.2 is being used
The wiki, Ticket1464, and Ticket3970 warn about the usage of GCC 4.2.
This fixes Ticket3970.
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 9 |
1 files changed, 8 insertions, 1 deletions
@@ -3542,6 +3542,7 @@ tms470_flags(){ probe_cc(){ pfx=$1 _cc=$2 + first=$3 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags unset _ld_o _ldflags _ld_lib _ld_path @@ -3567,6 +3568,12 @@ probe_cc(){ case $gcc_basever in 2*) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;; esac + if [ "$first" = true ]; then + case $gcc_basever in + 4.2*) + warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;; + esac + fi _cflags_speed='-O3' _cflags_size='-Os' elif $_cc --version 2>/dev/null | grep -q ^icc; then @@ -3729,7 +3736,7 @@ set_ccvars(){ fi } -probe_cc cc "$cc" +probe_cc cc "$cc" "true" cflags_filter=$_flags_filter cflags_speed=$_cflags_speed cflags_size=$_cflags_size |
