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| author | Erik de Castro Lopo <erik.decastrolopo@ambiata.com> | 2017-04-05 05:53:46 +1000 |
|---|---|---|
| committer | Erik de Castro Lopo <erikd@mega-nerd.com> | 2017-04-05 05:53:47 +1000 |
| commit | 7e340c2bbf4a56959bd1e95cdd1cfdb2b7e537c2 (patch) | |
| tree | 0f330ad348b5100f1a21312e7c91e43966789ec8 /rts/posix/OSMem.c | |
| parent | 5e968f9261b798222a845ef38a54621b45013678 (diff) | |
| download | haskell-7e340c2bbf4a56959bd1e95cdd1cfdb2b7e537c2.tar.gz | |
Enable new warning for fragile/incorrect CPP #if usage
The C code in the RTS now gets built with `-Wundef` and the Haskell code
(stages 1 and 2 only) with `-Wcpp-undef`. We now get warnings whereever
`#if` is used on undefined identifiers.
Test Plan: Validate on Linux and Windows
Reviewers: austin, angerman, simonmar, bgamari, Phyx
Reviewed By: bgamari
Subscribers: thomie, snowleopard
Differential Revision: https://phabricator.haskell.org/D3278
Diffstat (limited to 'rts/posix/OSMem.c')
| -rw-r--r-- | rts/posix/OSMem.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/rts/posix/OSMem.c b/rts/posix/OSMem.c index dcf734f19d..48b154fa11 100644 --- a/rts/posix/OSMem.c +++ b/rts/posix/OSMem.c @@ -39,7 +39,7 @@ #include <errno.h> -#if darwin_HOST_OS || ios_HOST_OS +#if defined(darwin_HOST_OS) || defined(ios_HOST_OS) #include <mach/mach.h> #include <mach/vm_map.h> #include <sys/sysctl.h> @@ -114,7 +114,7 @@ my_mmap (void *addr, W_ size, int operation) { void *ret; -#if darwin_HOST_OS +#ifdef darwin_HOST_OS // Without MAP_FIXED, Apple's mmap ignores addr. // With MAP_FIXED, it overwrites already mapped regions, whic // mmap(0, ... MAP_FIXED ...) is worst of all: It unmaps the program text @@ -170,9 +170,9 @@ my_mmap (void *addr, W_ size, int operation) else flags = 0; -#if hpux_HOST_OS +#ifdef hpux_HOST_OS ret = mmap(addr, size, prot, flags | MAP_ANONYMOUS | MAP_PRIVATE, -1, 0); -#elif linux_HOST_OS +#elif defined(linux_HOST_OS) ret = mmap(addr, size, prot, flags | MAP_ANON | MAP_PRIVATE, -1, 0); if (ret == (void *)-1 && errno == EPERM) { // Linux may return EPERM if it tried to give us |