5 files changed, 6 insertions, 6 deletions
diff --git a/src/liblzma/check/check.c b/src/liblzma/check/check.c
index 699647ed..484be594 100644
--- a/src/liblzma/check/check.c
+++ b/src/liblzma/check/check.c
@@ -14,7 +14,7 @@
 #include "check.h"
 
 
-extern LZMA_API lzma_bool
+extern LZMA_API(lzma_bool)
 lzma_check_is_supported(lzma_check type)
 {
 	if ((unsigned int)(type) > LZMA_CHECK_ID_MAX)
@@ -61,7 +61,7 @@ lzma_check_is_supported(lzma_check type)
 }
 
 
-extern LZMA_API uint32_t
+extern LZMA_API(uint32_t)
 lzma_check_size(lzma_check type)
 {
 	if ((unsigned int)(type) > LZMA_CHECK_ID_MAX)
diff --git a/src/liblzma/check/crc32_fast.c b/src/liblzma/check/crc32_fast.c
index 698cf768..61eacd61 100644
--- a/src/liblzma/check/crc32_fast.c
+++ b/src/liblzma/check/crc32_fast.c
@@ -18,7 +18,7 @@
 // If you make any changes, do some bench marking! Seemingly unrelated
 // changes can very easily ruin the performance (and very probably is
 // very compiler dependent).
-extern LZMA_API uint32_t
+extern LZMA_API(uint32_t)
 lzma_crc32(const uint8_t *buf, size_t size, uint32_t crc)
 {
 	crc = ~crc;
diff --git a/src/liblzma/check/crc32_small.c b/src/liblzma/check/crc32_small.c
index db26f8d4..b10bbd37 100644
--- a/src/liblzma/check/crc32_small.c
+++ b/src/liblzma/check/crc32_small.c
@@ -38,7 +38,7 @@ crc32_init(void)
 }
 
 
-extern LZMA_API uint32_t
+extern LZMA_API(uint32_t)
 lzma_crc32(const uint8_t *buf, size_t size, uint32_t crc)
 {
 	mythread_once(crc32_init);
diff --git a/src/liblzma/check/crc64_fast.c b/src/liblzma/check/crc64_fast.c
index 00fbfd53..d2d1d60f 100644
--- a/src/liblzma/check/crc64_fast.c
+++ b/src/liblzma/check/crc64_fast.c
@@ -23,7 +23,7 @@
 
 
 // See comments in crc32.c.
-extern LZMA_API uint64_t
+extern LZMA_API(uint64_t)
 lzma_crc64(const uint8_t *buf, size_t size, uint64_t crc)
 {
 	crc = ~crc;
diff --git a/src/liblzma/check/crc64_small.c b/src/liblzma/check/crc64_small.c
index 112bc032..26b04997 100644
--- a/src/liblzma/check/crc64_small.c
+++ b/src/liblzma/check/crc64_small.c
@@ -38,7 +38,7 @@ crc64_init(void)
 }
 
 
-extern LZMA_API uint64_t
+extern LZMA_API(uint64_t)
 lzma_crc64(const uint8_t *buf, size_t size, uint64_t crc)
 {
 	mythread_once(crc64_init);