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-rw-r--r--src/logging.c3
-rw-r--r--src/mpc-impl.h2
-rw-r--r--src/mpc.h2
3 files changed, 6 insertions, 1 deletions
diff --git a/src/logging.c b/src/logging.c
index 66ee2b8..79ed033 100644
--- a/src/logging.c
+++ b/src/logging.c
@@ -28,6 +28,9 @@ along with this program. If not, see http://www.gnu.org/licenses/ .
#include <stdint.h>
#endif
+#define __MPC_LIBRARY_BUILD
+ /* to indicate we are inside the library build; needed here since mpc-log.h
+ includes mpc.h and not mpc-impl.h */
#include "mpc-log.h"
#ifdef HAVE_DLFCN_H
diff --git a/src/mpc-impl.h b/src/mpc-impl.h
index 13582d1..8080479 100644
--- a/src/mpc-impl.h
+++ b/src/mpc-impl.h
@@ -20,6 +20,8 @@ along with this program. If not, see http://www.gnu.org/licenses/ .
#ifndef __MPC_IMPL_H
#define __MPC_IMPL_H
+#define __MPC_LIBRARY_BUILD
+ /* to indicate we are inside the library build */
#include "config.h"
#ifdef HAVE_STDLIB_H
diff --git a/src/mpc.h b/src/mpc.h
index 5b6ec46..3184a5a 100644
--- a/src/mpc.h
+++ b/src/mpc.h
@@ -123,7 +123,7 @@ typedef __gmp_const __mpc_struct *mpc_srcptr;
/* Support for WINDOWS DLL, see
http://lists.gforge.inria.fr/pipermail/mpc-discuss/2011-November/000990.html;
when building the DLL, export symbols, otherwise behave as GMP */
-#if defined (__MPC_IMPL_H) && __GMP_LIBGMP_DLL
+#if defined (__MPC_LIBRARY_BUILD) && __GMP_LIBGMP_DLL
#define __MPC_DECLSPEC __GMP_DECLSPEC_EXPORT
#else
#define __MPC_DECLSPEC __GMP_DECLSPEC