The following changes were made to Makefile:

* corrected BRIEF variable
  * split off separate dev package

Makefile

@@ -8,18 +8,24 @@
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 
-DEPENDS = glibc,gmp
-ARCH = x86_64
-URL = http://www.mpfr.org/
+export SRCPKG = mpfr
+export DEPENDS = glibc,gmp
+export ARCH = x86_64
+export URL = http://www.mpfr.org/
+BRIEF = C library with improved mathematical precision
 DESC = The MPFR library is a C library for multiple-precision floating-point \
 computations with correct rounding.
-SNAPVER = 2
+SNAPVER = 4
 
 ARCHIVE := $(PWD)/SRC/$(shell ls SRC|egrep '(bz2|gz|tar|xz)$$'|tail -1)
 TYPE := $(shell file -ib $(ARCHIVE)|cut -d';' -f1|tr -d '\n')
 SRCDIR := $(shell tar -tf $(ARCHIVE)|head -1|sed 's/\/.*//')
 PATCHDIR := $(PWD)/SRC/patches
-VERSION := $(shell echo $(SRCDIR)|egrep -o '\-[0-9].*'|sed 's/^-//')-$(SNAPVER)
+export VERSION := $(shell echo $(SRCDIR)|egrep -o '\-[0-9].*'| \
+	sed 's/^-//')-$(SNAPVER)
+
+DEV := $(PWD)/mpfr-dev
+DEVROOT := $(DEV)/ROOT
 
 include /usr/share/snap/Makefile.snaplinux
 
@@ -46,7 +52,7 @@ $(SRCDIR)/config.log: $(SRCDIR)/configure
 	@cd $(SRCDIR); \
 	./configure \
 		--prefix=/usr \
-		--disable-static \
+		--libdir=/lib \
 		-enable-thread-safe \
 		--build=x86_64-snap-linux-gnu \
 		--host=x86_64-snap-linux-gnu \
@@ -66,11 +72,24 @@ $(ROOT): $(SRCDIR)/src/grandom.o
 	make install-html DESTDIR=$(ROOT) && \
 	rm -v $(ROOT)/usr/share/info/dir
 
+	@install -v -d $(DEV)/SNAP && \
+	install -v -d $(DEVROOT) && \
+	install -v -d -m 755 $(DEVROOT)/usr/share && \
+	for file in `find $(ROOT)|egrep 'man3\/|\.a$$|\.h$$'`; do \
+		path=`dirname $$file|sed "s[$(ROOT)[$(DEVROOT)["`; \
+		mkdir -p $$path; \
+		mv $$file $$path; \
+	done && \
+	mv -v $(ROOT)/usr/share/doc $(DEVROOT)/usr/share/doc && \
+	find $(ROOT) -type d -empty -delete && \
+	cd $(DEV) && make -f ../Makefile.mpfr-dev && mv *.snap ../
+
 test: $(ROOT)
 	@cd $(SRCDIR) && make check
 
 clean:
 	@rm -rvf $(ROOT) \
+		$(DEV) \
 		$(SNAPINFO) \
 		$(MANIFEST) \
 		$(FILES) \

Makefile.mpfr-dev

@@ -0,0 +1,15 @@
+# This file is free software; you can redistribute it and/or modify             
+# it under the terms of the GNU General Public License version 2 as             
+# published by the Free Software Foundation here:                               
+# (http://www.gnu.org/licenses/gpl-2.0.html)                                    
+#                                                                               
+# This program is distributed in the hope that it will be useful,               
+# but WITHOUT ANY WARRANTY; without even the implied warranty of                
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                 
+# GNU General Public License for more details.                                  
+                                                                                
+DEPENDS = mpfr
+BRIEF = Development files for mpfr
+DESC = Development files for mpfr
+                                                                                
+include /usr/share/snap/Makefile.snaplinux