Makefile in xlsxwriter-0.0.4.pre.2

- old
+ new

@@ -7,11 +7,11 @@
 Q=@
 ifdef V
 Q=
 endif
 
-UNAME := $(shell uname)
+UNAME := $(shell uname -sr)
 
 # Check for MinGW/MinGW64/Cygwin environments.
 ifneq (,$(findstring MINGW, $(UNAME)))
 MING_LIKE = y
 endif
@@ -28,9 +28,14 @@
 # Change make options on MinGW/MinGW64/Cygwin.
 ifdef MING_LIKE
 FPIC =
 CC = gcc
 CFLAGS += -DUSE_FILE32API
+endif
+
+# Fix for modified zconf.h on Gentoo.
+ifneq (,$(findstring gentoo, $(UNAME)))
+CFLAGS += -DOF=_Z_OF
 endif
 
 all: ioapi.o zip.o  ioapi.so zip.so
 
 %.o  : %.c