In perl.git, the branch tonyc/time-hires-fix has been created
<http://perl5.git.perl.org/perl.git/commitdiff/608c5595b8cac7cb4860f19ae7d880b15cf95d80?hp=0000000000000000000000000000000000000000>
at 608c5595b8cac7cb4860f19ae7d880b15cf95d80 (commit)
- Log -----------------------------------------------------------------
commit 608c5595b8cac7cb4860f19ae7d880b15cf95d80
Author: Tony Cook <[email protected]>
Date: Tue Nov 15 10:15:42 2016 +1100
avoid a declaration conflict on El Capitan with recent XCode
OS X El Capitan doesn't implement the clock_gettime() or clock_getrez()
APIs, but recent versions of XCode, which are released to El Capitan
do include updated headers that declare those functions.
This causes errors like:
HiRes.xs:810:12: error: static declaration of 'clock_gettime' follows
non-static
declaration
static int clock_gettime(clockid_t clock_id, struct timespec *ts) {
^
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk/usr/include/time.h:177:5:
note:
previous declaration is here
int clock_gettime(clockid_t __clock_id, struct timespec *__tp);
^
HiRes.xs:844:12: error: static declaration of 'clock_getres' follows
non-static
declaration
static int clock_getres(clockid_t clock_id, struct timespec *ts) {
^
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk/usr/include/time.h:174:5:
note:
previous declaration is here
int clock_getres(clockid_t __clock_id, struct timespec *__res);
^
2 errors generated.
To avoid that, define the emulation functions with our own name
and use a macro to map the standard names to our implemnentations.
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