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Enable compilation "-std=c99", "-D_POSIX_C_SOURCE=200112L" for MacOS #238

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Enable compilation "-std=c99", "-D_POSIX_C_SOURCE=200112L" for MacOS #238

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7 changes: 7 additions & 0 deletions nob.h
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Original file line number Diff line number Diff line change
Expand Up @@ -166,7 +166,9 @@
# include <shellapi.h>
#else
# ifdef __APPLE__
# define _DARWIN_C_SOURCE 1
# include <mach-o/dyld.h>
# include <sys/sysctl.h>
# endif
# ifdef __FreeBSD__
# include <sys/sysctl.h>
Expand Down Expand Up @@ -1226,6 +1228,11 @@ NOBDEF int nob_nprocs(void)
SYSTEM_INFO siSysInfo;
GetSystemInfo(&siSysInfo);
return siSysInfo.dwNumberOfProcessors;
#elif __APPLE__
int nprocs = 0;
size_t len = sizeof(nprocs);
sysctlbyname("hw.logicalcpu", &nprocs, &len, NULL, 0);
return nprocs;
#else
return sysconf(_SC_NPROCESSORS_ONLN);
#endif
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2 changes: 1 addition & 1 deletion shared.h
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Expand Up @@ -23,7 +23,7 @@
#elif defined(__APPLE__) || defined(__MACH__)
// TODO: "-std=c99", "-D_POSIX_C_SOURCE=200112L" didn't work for MacOS, don't know why, don't really care that much at the moment.
// Anybody who does feel free to investigate.
#define nob_cc_flags(cmd) cmd_append(cmd, "-Wall", "-Wextra", "-Wswitch-enum", "-I.")
#define nob_cc_flags(cmd) cmd_append(cmd, "-Wall", "-Wextra", "-Wswitch-enum", "-std=c99", "-D_POSIX_C_SOURCE=200112L", "-I.")
#elif defined(__FreeBSD__)
// "-D_POSIX_C_SOURCE=200112L" hides required symbols on FreeBSD
#define nob_cc_flags(cmd) cmd_append(cmd, "-Wall", "-Wextra", "-Wswitch-enum", "-std=c99", "-ggdb", "-I.");
Expand Down