diff -Nru mupdf-1.3-source.orig/Makerules mupdf-1.3-source/Makerules
--- mupdf-1.3-source.orig/Makerules	2013-08-16 11:07:13.627597342 +0200
+++ mupdf-1.3-source/Makerules	2013-08-16 11:09:31.525988042 +0200
@@ -67,6 +67,8 @@
 SYS_JBIG2DEC_LIBS = -ljbig2dec
 SYS_JPEG_LIBS = -ljpeg
 SYS_ZLIB_LIBS = -lz
+SYS_CURL_CFLAGS = $(shell pkg-config --cflags libcurl)
+SYS_CURL_LIBS = $(shell pkg-config --libs libcurl) -lpthread
 
 endif
 
diff -Nru mupdf-1.3-source.orig/Makethird mupdf-1.3-source/Makethird
--- mupdf-1.3-source.orig/Makethird	2013-08-16 11:07:13.730926974 +0200
+++ mupdf-1.3-source/Makethird	2013-08-16 11:09:04.700283008 +0200
@@ -443,6 +443,10 @@
 
 CURL_CFLAGS := -I$(CURL_DIR)/include
 CURL_LIBS := $(SYS_CURL_DEPS)
+
 else
-NOCURL := yes
+
+CURL_CFLAGS := $(SYS_CURL_CFLAGS)
+CURL_LIBS := $(SYS_CURL_LIBS)
+
 endif