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reverse the visibility.h files assumptions that we don't build shared libs by default

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This avoids having to define define LIBFOO_DLL=1 all over the place. If we ever go with static libs we will
need to define LIBFOO_STATIC=1 but hopefully in some central location like the top level wscript.

Oh, and I also dropped support for gcc older than version 4.x because ardour will already not build
on such an old version.
This commit is contained in:
Paul Davis 2013-10-18 11:50:44 -04:00
parent 683496c501
commit f85c67501c
26 changed files with 89 additions and 183 deletions
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28
libs/surfaces/control_protocol/control_protocol/visibility.h
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@ -30,27 +30,21 @@
#define LIBCONTROLCP_DLL_EXPORT __declspec(dllexport)
#define LIBCONTROLCP_DLL_LOCAL
#else
#if __GNUC__ >= 4
#define LIBCONTROLCP_DLL_IMPORT __attribute__ ((visibility ("default")))
#define LIBCONTROLCP_DLL_EXPORT __attribute__ ((visibility ("default")))
#define LIBCONTROLCP_DLL_LOCAL __attribute__ ((visibility ("hidden")))
#else
#define LIBCONTROLCP_DLL_IMPORT
#define LIBCONTROLCP_DLL_EXPORT
#define LIBCONTROLCP_DLL_LOCAL
#endif
#define LIBCONTROLCP_DLL_IMPORT __attribute__ ((visibility ("default")))
#define LIBCONTROLCP_DLL_EXPORT __attribute__ ((visibility ("default")))
#define LIBCONTROLCP_DLL_LOCAL __attribute__ ((visibility ("hidden")))
#endif
#ifdef LIBCONTROLCP_DLL // libcontrolcp is a DLL
#ifdef LIBCONTROLCP_DLL_EXPORTS // defined if we are building the libcontrolcp DLL (instead of using it)
#define LIBCONTROLCP_API LIBCONTROLCP_DLL_EXPORT
#ifdef LIBCONTROLCP_STATIC // libcontrolcp is not a DLL
#define LIBCONTROLCP_API
#define LIBCONTROLCP_LOCAL
#else
#ifdef LIBCONTROLCP_DLL_EXPORTS // defined if we are building the libcontrolcp DLL (instead of using it)
#define LIBCONTROLCP_API LIBCONTROLCP_DLL_EXPORT
#else
#define LIBCONTROLCP_API LIBCONTROLCP_DLL_IMPORT
#endif
#define LIBCONTROLCP_LOCAL LIBCONTROLCP_DLL_LOCAL
#else /* static lib, not DLL */
#define LIBCONTROLCP_API
#define LIBCONTROLCP_LOCAL
#endif
#define LIBCONTROLCP_LOCAL LIBCONTROLCP_DLL_LOCAL
#endif
#endif /* __libcontrolcp_visibility_h__ */