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pcm/SampleFormat: workaround for GCC 4.9 "constexpr" bug 

GCC 4.9 has incomplete C++14 support.  Specifically, it doesn't allow
switch/case in "constexpr" functions.
This commit is contained in:
Max Kellermann 2017-01-27 11:02:58 +01:00
parent 5bd322bdcf
commit a931686317
2 changed files with 9 additions and 2 deletions
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1
NEWS
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@ -1,4 +1,5 @@
ver 0.20.4 (not yet released)
* workaround for GCC 4.9 "constexpr" bug
ver 0.20.3 (2017/01/25)
* protocol

10
src/pcm/SampleFormat.hxx
View File

@ -64,7 +64,10 @@ enum class SampleFormat : uint8_t {
/**
* Checks whether the sample format is valid.
*/
static constexpr inline bool
#if !GCC_OLDER_THAN(5,0)
constexpr
#endif
static inline bool
audio_valid_sample_format(SampleFormat format)
{
switch (format) {
@ -83,7 +86,10 @@ audio_valid_sample_format(SampleFormat format)
return false;
}
static constexpr inline unsigned
#if !GCC_OLDER_THAN(5,0)
constexpr
#endif
static inline unsigned
sample_format_size(SampleFormat format)
{
switch (format) {