Rename MISSING_ISINF to USE_INTERNAL_ISINF

4 files changed, 8 insertions, 5 deletions

diff --git a/Makefile b/Makefile
index 5731440..5857aee 100644
--- a/Makefile
+++ b/Makefile
@@ -19,9 +19,9 @@ LUA_LIB_DIR ?=     $(PREFIX)/lib/lua/$(LUA_VERSION)
 CFLAGS ?=          -g -O3 -Wall -pedantic
 override CFLAGS += -fpic -I$(LUA_INCLUDE_DIR) -DVERSION=\"$(CJSON_VERSION)\"
 
-## Conditional work arounds
+## Optional work arounds
 # Handle Solaris platforms that are missing isinf().
-#override CFLAGS +=  -DMISSING_ISINF
+#override CFLAGS +=  -DUSE_INTERNAL_ISINF
 # Handle locales that use comma as a decimal separator on locale aware
 # platforms. Requires POSIX-1.2008 support.
 override CFLAGS +=  -DUSE_POSIX_LOCALE
diff --git a/README b/README
index 473bf83..e8c3abe 100644
--- a/README
+++ b/README
@@ -55,7 +55,7 @@ build and install the module:
   # cp cjson.so [your_module_directory]
 
 Note: Some Solaris platforms are missing isinf(). You can work around
-      this bug by adding -DMISSING_ISINF to CFLAGS in the Makefile.
+      this bug by adding -DUSE_INTERNAL_ISINF to CFLAGS in the Makefile.
 
 
 RPM
diff --git a/lua-cjson-1.0.3-1.rockspec b/lua-cjson-1.0.3-1.rockspec
index 1550ae9..3f8e981 100644
--- a/lua-cjson-1.0.3-1.rockspec
+++ b/lua-cjson-1.0.3-1.rockspec
@@ -24,6 +24,9 @@ build = {
     modules = {
         cjson = {
             sources = { "lua_cjson.c", "strbuf.c" },
+-- Optional workarounds:
+-- USE_INTERNAL_ISINF: Provide internal isinf() implementation. Required
+--                     on some Solaris platforms.
             defines = { "VERSION=\"1.0.3\"" }
         }
     },
diff --git a/lua_cjson.c b/lua_cjson.c
index 151fa39..ad3818d 100644
--- a/lua_cjson.c
+++ b/lua_cjson.c
@@ -66,8 +66,8 @@
 #define LOCALE_RESTORE(x)   do { } while(0)
 #endif
 
-#ifdef MISSING_ISINF
-/* Some Solaris platforms are missing isinf(). Define here. */
+/* Some Solaris platforms are missing isinf(). */
+#if defined(USE_INTERNAL_ISINF) || defined(MISSING_ISINF)
 #define isinf(x) (!isnan(x) && isnan((x) - (x)))
 #endif