From: Michal Malý <madcatxster@devoid-pointer.net>
Date: Fri, 12 May 2017 08:22:47 +0000 (+0200)
Subject: Export library functions only when the library is the build target
X-Git-Url: https://gitweb.devoid-pointer.net/?a=commitdiff_plain;h=4b80c5bf69999a438a485ccfca55e1d05b090501;p=libHPCS.git

Export library functions only when the library is the build target
---

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0a7cffd..33d66dd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,6 +13,7 @@ if (NOT MSVC)
     endif()
 endif()
 
+add_definitions(-D_HPCS_BUILD_DLL)
 
 if (WIN32)
     set(WIN32_EXTRA_LIBS Shlwapi)
diff --git a/include/libHPCS.h b/include/libHPCS.h
index ab51fe9..e315351 100644
--- a/include/libHPCS.h
+++ b/include/libHPCS.h
@@ -9,12 +9,20 @@ extern "C" {
 #include <stdint.h>
 
 #ifdef _WIN32
-#define LIBHPCS_API __declspec(dllexport)
+	#ifdef _HPCS_BUILD_DLL
+		#define LIBHPCS_API __declspec(dllexport)
+	#else
+		#define LIBHPCS_API __declspec(dllimport)
+	#endif /* _HPCS_BUILD_DLL */
 #define LIBHPCS_CC __cdecl
 #else
-#define LIBHPCS_API __attribute__ ((visibility ("default")))
-#define LIBHPCS_CC
-#endif
+	#ifdef _HPCS_BUILD_DLL
+		#define LIBHPCS_API __attribute__ ((visibility ("default")))
+	#else
+		#define LIBHPCS_API
+	#endif /* _HPCS_BUILD_DLL */
+	#define LIBHPCS_CC
+#endif /* _WIN32 */
 
 enum HPCS_FileType {
 	HPCS_TYPE_CE_ANALOG,