[Chicken-janitors] #1353: posix-semaphore egg won't build on OS X: uses deprecated API

[Chicken Trac]

#1353: posix-semaphore egg won't build on OS X: uses deprecated API
------------------------+--------------------------------
 Reporter:  nxg         |                 Owner:
     Type:  defect      |                Status:  new
 Priority:  major       |             Milestone:  someday
Component:  extensions  |               Version:  4.12.0
 Keywords:              |  Estimated difficulty:
------------------------+--------------------------------
 Building the posix-semaphore egg fails on OS X, as it uses a deprecated
 API; see the log below.

 This is on OS X 10.11.6, with its associated version of clang (Apple LLVM
 version 8.0.0 (clang-800.0.42.1)).

 It appears to be only the support for unnamed semaphores (which are
 apparently optional in POSIX) that's deprecated; the support for named
 ones seems to be present.

 There's a StackOverflow discussion about the deprecation at (1) below,
 which points to some fairly authoritative discussion, including why the
 deprecation exists, at (2).

 (1) http://stackoverflow.com/questions/27736618/why-are-sem-init-sem-
 getvalue-sem-destroy-deprecated-on-mac-os-x-and-w
 (2) https://lists.apple.com/archives/darwin-kernel/2009/Apr/msg00010.html

 {{{
 % chicken-install posix-semaphore
 retrieving ...
 connecting to host "chicken.kitten-technologies.co.uk", port 80 ...
 requesting "/henrietta.cgi?name=posix-semaphore&mode=default" ...
 reading response ...
 HTTP/1.1 200 OK
 Date: Mon, 13 Mar 2017 23:30:47 GMT
 Server: Apache/2.2.31 (Unix) DAV/2 PHP/5.5.36 mod_fastcgi/2.4.6
 Connection: close
 Transfer-Encoding: chunked
 Content-Type: text/plain
 reading chunks .
 reading files ...
   ./readme.md
   ./LICENSE
   ./posix-semaphore.release-info
   ./posix-semaphore.meta
   ./posix-semaphore.setup
   ./posix-semaphore.scm
   ./test.scm
  posix-semaphore located at
 /var/folders/7b/1fldmb290mzbgxppkpwwffx40000gn/T/temp3c46.40550/posix-
 semaphore
 checking platform for `posix-semaphore' ...
 checking dependencies for `posix-semaphore' ...
 install order:
 ("posix-semaphore")
 installing posix-semaphore:0.5.1 ...
 changing current directory to
 /var/folders/7b/1fldmb290mzbgxppkpwwffx40000gn/T/temp3c46.40550/posix-
 semaphore
   '/Data/tools/chicken-4.12/bin/csi' -bnq -setup-mode -e "(require-library
 setup-api)" -e "(import setup-api)" -e "(setup-error-handling)" -e
 "(extension-name-and-version '(\"posix-semaphore\" \"0.5.1\"))" 'posix-
 semaphore.setup'
   '/Data/tools/chicken-4.12/bin/csc' -feature compiling-extension -setup-
 mode    -O3 -C -O3 -lpthread -s -d1 -j posix-semaphore posix-semaphore.scm
 posix-semaphore.c:63:11: warning: 'sem_getvalue' is deprecated
 [-Wdeprecated-declarations]
 int err = sem_getvalue(sem, &val);
           ^
 /usr/include/sys/semaphore.h:54:5: note: 'sem_getvalue' has been
 explicitly marked
       deprecated here
 int sem_getvalue(sem_t * __restrict, int * __restrict) __deprecated;
     ^
 posix-semaphore.c:92:1: warning: implicit declaration of function
 'clock_gettime' is
       invalid in C99 [-Wimplicit-function-declaration]
 clock_gettime(CLOCK_REALTIME, &tm);
 ^
 posix-semaphore.c:92:15: error: use of undeclared identifier
 'CLOCK_REALTIME'
 clock_gettime(CLOCK_REALTIME, &tm);
               ^
 posix-semaphore.c:95:7: warning: implicit declaration of function
 'sem_timedwait' is
       invalid in C99 [-Wimplicit-function-declaration]
 CHECK(sem_timedwait(sem, &tm))
       ^
 posix-semaphore.c:180:7: warning: 'sem_destroy' is deprecated
 [-Wdeprecated-declarations]
 CHECK(sem_destroy(sem))
       ^
 /usr/include/sys/semaphore.h:53:5: note: 'sem_destroy' has been explicitly
 marked
       deprecated here
 int sem_destroy(sem_t *) __deprecated;
     ^
 posix-semaphore.c:192:7: warning: 'sem_init' is deprecated [-Wdeprecated-
 declarations]
 CHECK(sem_init(sem, shared, value))
       ^
 /usr/include/sys/semaphore.h:55:5: note: 'sem_init' has been explicitly
 marked deprecated
       here
 int sem_init(sem_t *, int, unsigned int) __deprecated;
     ^
 5 warnings and 1 error generated.

 Error: shell command terminated with non-zero exit status 256:
 '/Applications/Xcode.app/Contents/Developer/usr/bin/gcc' 'posix-
 semaphore.c' -o 'posix-semaphore.o' -c  -fno-strict-aliasing -fwrapv -fno-
 common -DHAVE_CHICKEN_CONFIG_H -m64 -DC_ENABLE_PTABLES -Os -fomit-frame-
 pointer -fPIC -DPIC -DC_SHARED -O3
 -I/Data/tools/chicken-4.12/include/chicken

 Error: shell command failed with nonzero exit status 256:

   '/Data/tools/chicken-4.12/bin/csc' -feature compiling-extension -setup-
 mode    -O3 -C -O3 -lpthread -s -d1 -j posix-semaphore posix-semaphore.scm


 Error: shell command terminated with nonzero exit code
 17920
 "'/Data/tools/chicken-4.12/bin/csi' -bnq -setup-mode -e \"(require-library
 setup...
 }}}

--
Ticket URL: <https://bugs.call-cc.org/ticket/1353>
CHICKEN Scheme <https://www.call-cc.org/>
CHICKEN Scheme is a compiler for the Scheme programming language.