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| author | Thomas Haller <thaller@redhat.com> | 2021-07-30 10:50:56 +0200 |
|---|---|---|
| committer | Thomas Haller <thaller@redhat.com> | 2021-07-30 10:50:56 +0200 |
| commit | 91a36478f6328dc536bcac3a84cb75f82393c11c (patch) | |
| tree | fc2f0ccfa574df4ef35a3783f4fb38e7106e2016 /src/libnm-std-aux | |
| parent | 72433a10f4e3e66d39ef9480957a7528d8228e5c (diff) | |
| download | NetworkManager-91a36478f6328dc536bcac3a84cb75f82393c11c.tar.gz | |
std-aux: move _NM_CC_SUPPORT_AUTO_TYPE, _NM_CC_SUPPORT_GENERIC to "nm-std-aux.h"
Diffstat (limited to 'src/libnm-std-aux')
| -rw-r--r-- | src/libnm-std-aux/nm-std-aux.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/libnm-std-aux/nm-std-aux.h b/src/libnm-std-aux/nm-std-aux.h index bc74a30997..a7bfc37ea4 100644 --- a/src/libnm-std-aux/nm-std-aux.h +++ b/src/libnm-std-aux/nm-std-aux.h @@ -46,6 +46,36 @@ /*****************************************************************************/ +#ifndef _NM_CC_SUPPORT_AUTO_TYPE +#if (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9))) +#define _NM_CC_SUPPORT_AUTO_TYPE 1 +#else +#define _NM_CC_SUPPORT_AUTO_TYPE 0 +#endif +#endif + +#if _NM_CC_SUPPORT_AUTO_TYPE +#define _nm_auto_type __auto_type +#endif + +#ifndef _NM_CC_SUPPORT_GENERIC +/* In the meantime, NetworkManager requires C11 and _Generic() should always be available. + * However, shared/nm-utils may also be used in VPN/applet, which possibly did not yet + * bump the C standard requirement. Leave this for the moment, but eventually we can + * drop it. + * + * Technically, gcc 4.9 already has some support for _Generic(). But there seems + * to be issues with propagating "const char *[5]" to "const char **". Only assume + * we have _Generic() since gcc 5. */ +#if (defined(__GNUC__) && __GNUC__ >= 5) || (defined(__clang__)) +#define _NM_CC_SUPPORT_GENERIC 1 +#else +#define _NM_CC_SUPPORT_GENERIC 0 +#endif +#endif + +/*****************************************************************************/ + #ifdef __CHECKER__ #define _nm_bitwise __attribute__((__bitwise__)) #define _nm_force __attribute__((__force__)) |