The wiki, Ticket1464, and Ticket3970 warn about the usage of GCC 4.2.
This fixes Ticket3970.
Signed-off-by: Ganesh Ajjanagadde <gajjanaga...@gmail.com>
---
configure | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/configure b/configure
index f92b526..7d14461 100755
--- a/configure
+++ b/configure
@@ -3544,6 +3544,7 @@ 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
@@ -3569,6 +3570,13 @@ 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+ warn "gcc 4.2 is outdated and may miscompile FFmpeg.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."
+ warn "See https://trac.ffmpeg.org/ticket/1464 for more
details." ;;
+ esac
+ fi
_cflags_speed='-O3'
_cflags_size='-Os'
elif $_cc --version 2>/dev/null | grep -q ^icc; then
@@ -3731,7 +3739,7 @@ set_ccvars(){
fi
}
-probe_cc cc "$cc"
+probe_cc cc "$cc" "true"
cflags_filter=$_flags_filter
cflags_speed=$_cflags_speed
cflags_size=$_cflags_size
--
2.5.0
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