summaryrefslogtreecommitdiff
authorMans Rullgard <mans@mansr.com>2012-10-13 02:16:13 (GMT)
committer Mans Rullgard <mans@mansr.com>2012-10-13 17:21:36 (GMT)
commitb6f8d635f27bd1234508679c93e04f60a36c2f1e (patch)
treed8c8d096cf0b6d56ee3b7c923703beeb406425cf
parent5ab432fa3500c190184263b80c6ad04547770545 (diff)
downloadffmpeg-b6f8d635f27bd1234508679c93e04f60a36c2f1e.zip
ffmpeg-b6f8d635f27bd1234508679c93e04f60a36c2f1e.tar.gz
ffmpeg-b6f8d635f27bd1234508679c93e04f60a36c2f1e.tar.bz2
build: tms470: work around glibc math.h problems
The glibc definitions of INFINITY and NAN do not work with the tms470 compiler, nor do our usual fallbacks. Signed-off-by: Mans Rullgard <mans@mansr.com>
Diffstat
-rw-r--r--compat/tms470/math.h7
-rwxr-xr-xconfigure1
2 files changed, 8 insertions, 0 deletions
diff --git a/compat/tms470/math.h b/compat/tms470/math.h
new file mode 100644
index 0000000..1104d74
--- a/dev/null
+++ b/compat/tms470/math.h
@@ -0,0 +1,7 @@
+#include_next <math.h>
+
+#undef INFINITY
+#undef NAN
+
+#define INFINITY (*(const float*)((const unsigned []){ 0x7f800000 }))
+#define NAN (*(const float*)((const unsigned []){ 0x7fc00000 }))
diff --git a/configure b/configure
index 3e29909..d8a5728 100755
--- a/configure
+++ b/configure
@@ -2911,6 +2911,7 @@ test -n "$libc_type" && enable $libc_type
# hacks for compiler/libc/os combinations
if enabled_all tms470 glibc; then
+ CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
add_cppflags -D__USER_LABEL_PREFIX__=
add_cppflags -D__builtin_memset=memset
add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED