Add LibGMP

Uses system provided libgmp if found, if not it falls back to mini-gmp.

.gitignore

@@ -60,6 +60,8 @@ src/cguittfont/CMakeFiles/
 src/cguittfont/libcguittfont.a
 src/cguittfont/cmake_install.cmake
 src/cguittfont/Makefile
+src/gmp/CMakeFiles/
+src/gmp/libgmp.a
 src/json/CMakeFiles/
 src/json/libjsoncpp.a
 src/sqlite/CMakeFiles/*

README.txt

@@ -103,7 +103,7 @@ Compiling on GNU/Linux:
 -----------------------
 
 Install dependencies. Here's an example for Debian/Ubuntu:
-$ sudo apt-get install build-essential libirrlicht-dev cmake libbz2-dev libpng12-dev libjpeg-dev libxxf86vm-dev libgl1-mesa-dev libsqlite3-dev libogg-dev libvorbis-dev libopenal-dev libcurl4-gnutls-dev libfreetype6-dev zlib1g-dev libjsoncpp-dev
+$ sudo apt-get install build-essential libirrlicht-dev cmake libbz2-dev libpng12-dev libjpeg-dev libxxf86vm-dev libgl1-mesa-dev libsqlite3-dev libogg-dev libvorbis-dev libopenal-dev libcurl4-gnutls-dev libfreetype6-dev zlib1g-dev libgmp-dev libjsoncpp-dev
 
 You can install git for easily keeping your copy up to date.
 If you dont want git, read below on how to get the source without git.
@@ -166,6 +166,7 @@ ENABLE_LEVELDB      - Build with LevelDB; Enables use of LevelDB map backend (fa
 ENABLE_REDIS        - Build with libhiredis; Enables use of Redis map backend
 ENABLE_SOUND        - Build with OpenAL, libogg & libvorbis; in-game Sounds
 ENABLE_LUAJIT       - Build with LuaJIT (much faster than non-JIT Lua)
+ENABLE_SYSTEM_GMP   - Use GMP from system (much faster than bundled mini-gmp)
 RUN_IN_PLACE        - Create a portable install (worlds, settings etc. in current directory)
 USE_GPROF           - Enable profiling using GProf
 VERSION_EXTRA       - Text to append to version (e.g. VERSION_EXTRA=foobar -> Minetest 0.4.9-foobar)

build/android/Makefile

@@ -118,6 +118,13 @@ CURL_TIMESTAMP = $(CURL_DIR)/timestamp
 CURL_TIMESTAMP_INT = $(ROOT)/deps/curl_timestamp
 CURL_URL_HTTP = http://curl.haxx.se/download/curl-${CURL_VERSION}.tar.bz2
 
+GMP_VERSION = 6.0.0
+GMP_DIR = $(ROOT)/deps/gmp-$(GMP_VERSION)
+GMP_LIB = $(GMP_DIR)/usr/lib/libgmp.la
+GMP_TIMESTAMP = $(GMP_DIR)/timestamp
+GMP_TIMESTAMP_INT = $(ROOT)/deps/gmp_timestamp
+GMP_URL_HTTP = https://gmplib.org/download/gmp/gmp-$(GMP_VERSION).tar.bz2
+
 FREETYPE_DIR = $(ROOT)/deps/freetype2-android/
 FREETYPE_LIB = $(FREETYPE_DIR)/Android/obj/local/$(TARGET_ABI)/libfreetype2-static.a
 FREETYPE_TIMESTAMP = $(FREETYPE_DIR)timestamp
@@ -552,6 +559,62 @@ curl_binary:
 		rm curl-7.34.0-rtmp-ssh2-ssl-zlib-static-bin-android.tar.gz;           \
 	fi
 
+$(GMP_TIMESTAMP) : gmp_download
+	@LAST_MODIF=$$(find ${GMP_DIR} -type f -printf '%T@ %p\n' | sort -n | tail -1 | cut -f2- -d" "); \
+	if [ $$(basename $$LAST_MODIF) != "timestamp" ] ; then                     \
+		touch ${GMP_TIMESTAMP};                                            \
+	fi
+
+gmp_download :
+	@if [ ! -d "${GMP_DIR}" ] ; then                                           \
+		echo "gmp sources missing, downloading...";                        \
+		mkdir -p ${ROOT}/deps;                                             \
+		cd deps;                                                           \
+		wget ${GMP_URL_HTTP} || exit 1;                                    \
+		tar -xjf gmp-${GMP_VERSION}.tar.bz2 || exit 1;                     \
+		rm gmp-${GMP_VERSION}.tar.bz2;                                     \
+		ln -s gmp-${GMP_VERSION} gmp;                                      \
+	fi
+
+gmp : $(GMP_LIB)
+
+$(GMP_LIB): $(GMP_TIMESTAMP)
+	@REFRESH=0;                                                                \
+	if [ ! -e ${GMP_TIMESTAMP_INT} ] ; then                                    \
+		REFRESH=1;                                                         \
+	fi;                                                                        \
+	if [ ! -e ${GMP_LIB} ] ; then                                              \
+		REFRESH=1;                                                         \
+	fi;                                                                        \
+	if [ ${GMP_TIMESTAMP} -nt ${GMP_TIMESTAMP_INT} ] ; then                    \
+		REFRESH=1;                                                         \
+	fi;                                                                        \
+	if [ $$REFRESH -ne 0 ] ; then                                              \
+	mkdir -p ${GMP_DIR};                                                       \
+	export PATH="$${PATH}:${SDKFOLDER}/platform-tools:${ANDROID_NDK}";         \
+	echo "changed timestamp for gmp detected building...";                     \
+	cd deps/gmp-${GMP_VERSION};                                                \
+	export CROSS_PREFIX=${CROSS_PREFIX};                                       \
+	export TOOLCHAIN=/tmp/ndk-${TARGET_HOST}-gmp;                              \
+	${ANDROID_NDK}/build/tools/make-standalone-toolchain.sh                    \
+	--toolchain=${TARGET_TOOLCHAIN}${COMPILER_VERSION}                         \
+	--install-dir=$${TOOLCHAIN};                                               \
+	export PATH="$${TOOLCHAIN}/bin:$${PATH}";                                  \
+	export CC=${CROSS_PREFIX}gcc;                                              \
+	export CXX=${CROSS_PREFIX}g++;                                             \
+	./configure --disable-static --host=${TARGET_HOST} --prefix=/usr;          \
+	$(MAKE) install DESTDIR=/${GMP_DIR} || exit 1;                             \
+	touch ${GMP_TIMESTAMP};                                                    \
+	touch ${GMP_TIMESTAMP_INT};                                                \
+	$(RM) -rf $${TOOLCHAIN};                                                   \
+	else                                                                       \
+		echo "nothing to be done for gmp";                                 \
+	fi
+
+clean_gmp:
+	$(RM) -rf deps/gmp-${GMP_VERSION}                                          \
+	$(RM) -f deps/gmp
+
 sqlite3_download: deps/${SQLITE3_FOLDER}/sqlite3.c
 
 deps/${SQLITE3_FOLDER}/sqlite3.c :
@@ -671,7 +734,7 @@ assets : $(ASSETS_TIMESTAMP)
 clean_assets :
 	@$(RM) -r assets
 
-apk: $(PATHCFGFILE) assets $(IRRLICHT_LIB) $(CURL_LIB) $(LEVELDB_TARGET)       \
+apk: $(PATHCFGFILE) assets $(IRRLICHT_LIB) $(CURL_LIB) $(GMP_LIB) $(LEVELDB_TARGET)       \
 	$(OPENAL_LIB) $(OGG_LIB) prep_srcdir $(ROOT)/jni/src/android_version.h     \
 	sqlite3_download
 	@export NDEBUG=$$NDEBUG; $(MAKE) manifest;                                 \
@@ -714,7 +777,7 @@ envpaths :
 clean_all :
 	@$(MAKE) clean_apk;                                                        \
 	$(MAKE) clean_assets clean_irrlicht clean_leveldb clean_curl clean_openssl \
-	clean_openal clean_ogg clean_manifest;                                     \
+	clean_openal clean_ogg clean_gmp clean_manifest;                           \
 	sleep 1;                                                                   \
 	$(RM) -r gen libs obj deps bin Debug and_env
 

build/android/jni/Android.mk

@@ -39,6 +39,11 @@ LOCAL_MODULE := vorbis
 LOCAL_SRC_FILES := deps/libvorbis-libogg-android/libs/$(TARGET_LIBDIR)/libvorbis.so
 include $(PREBUILT_SHARED_LIBRARY)
 
+include $(CLEAR_VARS)
+LOCAL_MODULE := gmp
+LOCAL_SRC_FILES := deps/gmp/usr/lib/libgmp.so
+include $(PREBUILT_SHARED_LIBRARY)
+
 include $(CLEAR_VARS)
 LOCAL_MODULE := ssl
 LOCAL_SRC_FILES := deps/openssl/libssl.a
@@ -49,7 +54,6 @@ LOCAL_MODULE := crypto
 LOCAL_SRC_FILES := deps/openssl/libcrypto.a
 include $(PREBUILT_STATIC_LIBRARY)
 
-
 include $(CLEAR_VARS)
 LOCAL_MODULE := minetest
 
@@ -97,6 +101,7 @@ LOCAL_C_INCLUDES :=                               \
 		deps/curl/include                         \
 		deps/openal-soft/jni/OpenAL/include       \
 		deps/libvorbis-libogg-android/jni/include \
+		deps/gmp/usr/include                      \
 		deps/leveldb/include                      \
 		deps/sqlite/
 
@@ -334,7 +339,7 @@ LOCAL_SRC_FILES +=                                \
 # json
 LOCAL_SRC_FILES += jni/src/json/jsoncpp.cpp
 
-LOCAL_SHARED_LIBRARIES := openal ogg vorbis
+LOCAL_SHARED_LIBRARIES := openal ogg vorbis gmp
 LOCAL_STATIC_LIBRARIES := Irrlicht freetype curl ssl crypto android_native_app_glue $(PROFILER_LIBS)
 
 ifeq ($(HAVE_LEVELDB), 1)

cmake/Modules/FindGMP.cmake

@@ -0,0 +1,28 @@
+
+option(ENABLE_SYSTEM_GMP "Use GMP from system" TRUE)
+mark_as_advanced(GMP_LIBRARY GMP_INCLUDE_DIR)
+set(USE_SYSTEM_GMP FALSE)
+
+if(ENABLE_SYSTEM_GMP)
+	find_library(GMP_LIBRARY NAMES libgmp.so)
+	find_path(GMP_INCLUDE_DIR NAMES gmp.h)
+
+	if(GMP_LIBRARY AND GMP_INCLUDE_DIR)
+		message (STATUS "Using GMP provided by system.")
+		set(USE_SYSTEM_GMP TRUE)
+	else()
+		message (STATUS "Detecting GMP from system failed.")
+	endif()
+else()
+	message (STATUS "Detecting GMP from system disabled! (ENABLE_SYSTEM_GMP=0)")
+endif()
+
+if(NOT USE_SYSTEM_GMP)
+	message(STATUS "Using bundled mini-gmp library.")
+	set(GMP_INCLUDE_DIR ${PROJECT_SOURCE_DIR}/gmp)
+	set(GMP_LIBRARY gmp)
+	add_subdirectory(gmp)
+endif()
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(GMP DEFAULT_MSG GMP_LIBRARY GMP_INCLUDE_DIR)

src/CMakeLists.txt

@@ -143,6 +143,7 @@ endif(ENABLE_FREETYPE)
 
 find_package(Lua REQUIRED)
 
+find_package(GMP REQUIRED)
 
 option(ENABLE_LEVELDB "Enable LevelDB backend" TRUE)
 set(USE_LEVELDB FALSE)
@@ -446,6 +447,7 @@ include_directories(
 	${SOUND_INCLUDE_DIRS}
 	${SQLITE3_INCLUDE_DIR}
 	${LUA_INCLUDE_DIR}
+	${GMP_INCLUDE_DIR}
 	${JSON_INCLUDE_DIR}
 	${PROJECT_SOURCE_DIR}/script
 )
@@ -479,6 +481,7 @@ if(BUILD_CLIENT)
 		${SOUND_LIBRARIES}
 		${SQLITE3_LIBRARY}
 		${LUA_LIBRARY}
+		${GMP_LIBRARY}
 		${JSON_LIBRARY}
 		${OPENGLES2_LIBRARIES}
 		${PLATFORM_LIBS}
@@ -532,6 +535,7 @@ if(BUILD_SERVER)
 		${JSON_LIBRARY}
 		${GETTEXT_LIBRARY}
 		${LUA_LIBRARY}
+		${GMP_LIBRARY}
 		${PLATFORM_LIBS}
 	)
 	set_target_properties(${PROJECT_NAME}server PROPERTIES

src/cmake_config.h.in

@@ -20,6 +20,7 @@
 #cmakedefine01 USE_FREETYPE
 #cmakedefine01 USE_LEVELDB
 #cmakedefine01 USE_LUAJIT
+#cmakedefine01 USE_SYSTEM_GMP
 #cmakedefine01 USE_REDIS
 #cmakedefine01 HAVE_ENDIAN_H
 

src/gmp/CMakeLists.txt

@@ -0,0 +1,4 @@
+add_library(gmp mini-gmp.c)
+
+target_link_libraries(gmp)
+

src/gmp/mini-gmp.h

@@ -0,0 +1,256 @@
+/* mini-gmp, a minimalistic implementation of a GNU GMP subset.
+
+Copyright 2011, 2012, 2013 Free Software Foundation, Inc.
+
+This file is part of the GNU MP Library.
+
+The GNU MP Library is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 3 of the License, or (at your
+option) any later version.
+
+The GNU MP Library 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 Lesser General Public
+License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
+
+/* About mini-gmp: This is a minimal implementation of a subset of the
+   GMP interface. It is intended for inclusion into applications which
+   have modest bignums needs, as a fallback when the real GMP library
+   is not installed.
+
+   This file defines the public interface. */
+
+#ifndef __MINI_GMP_H__
+#define __MINI_GMP_H__
+
+/* For size_t */
+#include <stddef.h>
+
+#if defined (__cplusplus)
+extern "C" {
+#endif
+
+void mp_set_memory_functions (void *(*) (size_t),
+			      void *(*) (void *, size_t, size_t),
+			      void (*) (void *, size_t));
+
+void mp_get_memory_functions (void *(**) (size_t),
+			      void *(**) (void *, size_t, size_t),
+			      void (**) (void *, size_t));
+
+typedef unsigned long mp_limb_t;
+typedef long mp_size_t;
+typedef unsigned long mp_bitcnt_t;
+
+typedef mp_limb_t *mp_ptr;
+typedef const mp_limb_t *mp_srcptr;
+
+typedef struct
+{
+  int _mp_alloc;		/* Number of *limbs* allocated and pointed
+				   to by the _mp_d field.  */
+  int _mp_size;			/* abs(_mp_size) is the number of limbs the
+				   last field points to.  If _mp_size is
+				   negative this is a negative number.  */
+  mp_limb_t *_mp_d;		/* Pointer to the limbs.  */
+} __mpz_struct;
+
+typedef __mpz_struct mpz_t[1];
+
+typedef __mpz_struct *mpz_ptr;
+typedef const __mpz_struct *mpz_srcptr;
+
+void mpn_copyi (mp_ptr, mp_srcptr, mp_size_t);
+void mpn_copyd (mp_ptr, mp_srcptr, mp_size_t);
+
+int mpn_cmp (mp_srcptr, mp_srcptr, mp_size_t);
+
+mp_limb_t mpn_add_1 (mp_ptr, mp_srcptr, mp_size_t, mp_limb_t);
+mp_limb_t mpn_add_n (mp_ptr, mp_srcptr, mp_srcptr, mp_size_t);
+mp_limb_t mpn_add (mp_ptr, mp_srcptr, mp_size_t, mp_srcptr, mp_size_t);
+
+mp_limb_t mpn_sub_1 (mp_ptr, mp_srcptr, mp_size_t, mp_limb_t);
+mp_limb_t mpn_sub_n (mp_ptr, mp_srcptr, mp_srcptr, mp_size_t);
+mp_limb_t mpn_sub (mp_ptr, mp_srcptr, mp_size_t, mp_srcptr, mp_size_t);
+
+mp_limb_t mpn_mul_1 (mp_ptr, mp_srcptr, mp_size_t, mp_limb_t);
+mp_limb_t mpn_addmul_1 (mp_ptr, mp_srcptr, mp_size_t, mp_limb_t);
+mp_limb_t mpn_submul_1 (mp_ptr, mp_srcptr, mp_size_t, mp_limb_t);
+
+mp_limb_t mpn_mul (mp_ptr, mp_srcptr, mp_size_t, mp_srcptr, mp_size_t);
+void mpn_mul_n (mp_ptr, mp_srcptr, mp_srcptr, mp_size_t);
+void mpn_sqr (mp_ptr, mp_srcptr, mp_size_t);
+
+mp_limb_t mpn_lshift (mp_ptr, mp_srcptr, mp_size_t, unsigned int);
+mp_limb_t mpn_rshift (mp_ptr, mp_srcptr, mp_size_t, unsigned int);
+
+mp_limb_t mpn_invert_3by2 (mp_limb_t, mp_limb_t);
+#define mpn_invert_limb(x) mpn_invert_3by2 ((x), 0)
+
+size_t mpn_get_str (unsigned char *, int, mp_ptr, mp_size_t);
+mp_size_t mpn_set_str (mp_ptr, const unsigned char *, size_t, int);
+
+void mpz_init (mpz_t);
+void mpz_init2 (mpz_t, mp_bitcnt_t);
+void mpz_clear (mpz_t);
+
+#define mpz_odd_p(z)   (((z)->_mp_size != 0) & (int) (z)->_mp_d[0])
+#define mpz_even_p(z)  (! mpz_odd_p (z))
+
+int mpz_sgn (const mpz_t);
+int mpz_cmp_si (const mpz_t, long);
+int mpz_cmp_ui (const mpz_t, unsigned long);
+int mpz_cmp (const mpz_t, const mpz_t);
+int mpz_cmpabs_ui (const mpz_t, unsigned long);
+int mpz_cmpabs (const mpz_t, const mpz_t);
+int mpz_cmp_d (const mpz_t, double);
+int mpz_cmpabs_d (const mpz_t, double);
+
+void mpz_abs (mpz_t, const mpz_t);
+void mpz_neg (mpz_t, const mpz_t);
+void mpz_swap (mpz_t, mpz_t);
+
+void mpz_add_ui (mpz_t, const mpz_t, unsigned long);
+void mpz_add (mpz_t, const mpz_t, const mpz_t);
+void mpz_sub_ui (mpz_t, const mpz_t, unsigned long);
+void mpz_ui_sub (mpz_t, unsigned long, const mpz_t);
+void mpz_sub (mpz_t, const mpz_t, const mpz_t);
+
+void mpz_mul_si (mpz_t, const mpz_t, long int);
+void mpz_mul_ui (mpz_t, const mpz_t, unsigned long int);
+void mpz_mul (mpz_t, const mpz_t, const mpz_t);
+void mpz_mul_2exp (mpz_t, const mpz_t, mp_bitcnt_t);
+
+void mpz_cdiv_qr (mpz_t, mpz_t, const mpz_t, const mpz_t);
+void mpz_fdiv_qr (mpz_t, mpz_t, const mpz_t, const mpz_t);
+void mpz_tdiv_qr (mpz_t, mpz_t, const mpz_t, const mpz_t);
+void mpz_cdiv_q (mpz_t, const mpz_t, const mpz_t);
+void mpz_fdiv_q (mpz_t, const mpz_t, const mpz_t);
+void mpz_tdiv_q (mpz_t, const mpz_t, const mpz_t);
+void mpz_cdiv_r (mpz_t, const mpz_t, const mpz_t);
+void mpz_fdiv_r (mpz_t, const mpz_t, const mpz_t);
+void mpz_tdiv_r (mpz_t, const mpz_t, const mpz_t);
+
+void mpz_cdiv_q_2exp (mpz_t, const mpz_t, mp_bitcnt_t);
+void mpz_fdiv_q_2exp (mpz_t, const mpz_t, mp_bitcnt_t);
+void mpz_tdiv_q_2exp (mpz_t, const mpz_t, mp_bitcnt_t);
+void mpz_cdiv_r_2exp (mpz_t, const mpz_t, mp_bitcnt_t);
+void mpz_fdiv_r_2exp (mpz_t, const mpz_t, mp_bitcnt_t);
+void mpz_tdiv_r_2exp (mpz_t, const mpz_t, mp_bitcnt_t);
+
+void mpz_mod (mpz_t, const mpz_t, const mpz_t);
+
+void mpz_divexact (mpz_t, const mpz_t, const mpz_t);
+
+int mpz_divisible_p (const mpz_t, const mpz_t);
+
+unsigned long mpz_cdiv_qr_ui (mpz_t, mpz_t, const mpz_t, unsigned long);
+unsigned long mpz_fdiv_qr_ui (mpz_t, mpz_t, const mpz_t, unsigned long);
+unsigned long mpz_tdiv_qr_ui (mpz_t, mpz_t, const mpz_t, unsigned long);
+unsigned long mpz_cdiv_q_ui (mpz_t, const mpz_t, unsigned long);
+unsigned long mpz_fdiv_q_ui (mpz_t, const mpz_t, unsigned long);
+unsigned long mpz_tdiv_q_ui (mpz_t, const mpz_t, unsigned long);
+unsigned long mpz_cdiv_r_ui (mpz_t, const mpz_t, unsigned long);
+unsigned long mpz_fdiv_r_ui (mpz_t, const mpz_t, unsigned long);
+unsigned long mpz_tdiv_r_ui (mpz_t, const mpz_t, unsigned long);
+unsigned long mpz_cdiv_ui (const mpz_t, unsigned long);
+unsigned long mpz_fdiv_ui (const mpz_t, unsigned long);
+unsigned long mpz_tdiv_ui (const mpz_t, unsigned long);
+
+unsigned long mpz_mod_ui (mpz_t, const mpz_t, unsigned long);
+
+void mpz_divexact_ui (mpz_t, const mpz_t, unsigned long);
+
+int mpz_divisible_ui_p (const mpz_t, unsigned long);
+
+unsigned long mpz_gcd_ui (mpz_t, const mpz_t, unsigned long);
+void mpz_gcd (mpz_t, const mpz_t, const mpz_t);
+void mpz_gcdext (mpz_t, mpz_t, mpz_t, const mpz_t, const mpz_t);
+void mpz_lcm_ui (mpz_t, const mpz_t, unsigned long);
+void mpz_lcm (mpz_t, const mpz_t, const mpz_t);
+int mpz_invert (mpz_t, const mpz_t, const mpz_t);
+
+void mpz_sqrtrem (mpz_t, mpz_t, const mpz_t);
+void mpz_sqrt (mpz_t, const mpz_t);
+
+void mpz_pow_ui (mpz_t, const mpz_t, unsigned long);
+void mpz_ui_pow_ui (mpz_t, unsigned long, unsigned long);
+void mpz_powm (mpz_t, const mpz_t, const mpz_t, const mpz_t);
+void mpz_powm_ui (mpz_t, const mpz_t, unsigned long, const mpz_t);
+
+void mpz_rootrem (mpz_t, mpz_t, const mpz_t, unsigned long);
+int mpz_root (mpz_t, const mpz_t, unsigned long);
+
+void mpz_fac_ui (mpz_t, unsigned long);
+void mpz_bin_uiui (mpz_t, unsigned long, unsigned long);
+
+int mpz_tstbit (const mpz_t, mp_bitcnt_t);
+void mpz_setbit (mpz_t, mp_bitcnt_t);
+void mpz_clrbit (mpz_t, mp_bitcnt_t);
+void mpz_combit (mpz_t, mp_bitcnt_t);
+
+void mpz_com (mpz_t, const mpz_t);
+void mpz_and (mpz_t, const mpz_t, const mpz_t);
+void mpz_ior (mpz_t, const mpz_t, const mpz_t);
+void mpz_xor (mpz_t, const mpz_t, const mpz_t);
+
+mp_bitcnt_t mpz_popcount (const mpz_t);
+mp_bitcnt_t mpz_hamdist (const mpz_t, const mpz_t);
+mp_bitcnt_t mpz_scan0 (const mpz_t, mp_bitcnt_t);
+mp_bitcnt_t mpz_scan1 (const mpz_t, mp_bitcnt_t);
+
+int mpz_fits_slong_p (const mpz_t);
+int mpz_fits_ulong_p (const mpz_t);
+long int mpz_get_si (const mpz_t);
+unsigned long int mpz_get_ui (const mpz_t);
+double mpz_get_d (const mpz_t);
+size_t mpz_size (const mpz_t);
+mp_limb_t mpz_getlimbn (const mpz_t, mp_size_t);
+
+void mpz_set_si (mpz_t, signed long int);
+void mpz_set_ui (mpz_t, unsigned long int);
+void mpz_set (mpz_t, const mpz_t);
+void mpz_set_d (mpz_t, double);
+
+void mpz_init_set_si (mpz_t, signed long int);
+void mpz_init_set_ui (mpz_t, unsigned long int);
+void mpz_init_set (mpz_t, const mpz_t);
+void mpz_init_set_d (mpz_t, double);
+
+size_t mpz_sizeinbase (const mpz_t, int);
+char *mpz_get_str (char *, int, const mpz_t);
+int mpz_set_str (mpz_t, const char *, int);
+int mpz_init_set_str (mpz_t, const char *, int);
+
+/* This long list taken from gmp.h. */
+/* For reference, "defined(EOF)" cannot be used here.  In g++ 2.95.4,
+   <iostream> defines EOF but not FILE.  */
+#if defined (FILE)                                              \
+  || defined (H_STDIO)                                          \
+  || defined (_H_STDIO)               /* AIX */                 \
+  || defined (_STDIO_H)               /* glibc, Sun, SCO */     \
+  || defined (_STDIO_H_)              /* BSD, OSF */            \
+  || defined (__STDIO_H)              /* Borland */             \
+  || defined (__STDIO_H__)            /* IRIX */                \
+  || defined (_STDIO_INCLUDED)        /* HPUX */                \
+  || defined (__dj_include_stdio_h_)  /* DJGPP */               \
+  || defined (_FILE_DEFINED)          /* Microsoft */           \
+  || defined (__STDIO__)              /* Apple MPW MrC */       \
+  || defined (_MSL_STDIO_H)           /* Metrowerks */          \
+  || defined (_STDIO_H_INCLUDED)      /* QNX4 */		\
+  || defined (_ISO_STDIO_ISO_H)       /* Sun C++ */		\
+  || defined (__STDIO_LOADED)         /* VMS */
+size_t mpz_out_str (FILE *, int, const mpz_t);
+#endif
+
+void mpz_import (mpz_t, size_t, int, size_t, int, size_t, const void *);
+void *mpz_export (void *, size_t *, int, size_t, int, size_t, const mpz_t);
+
+#if defined (__cplusplus)
+}
+#endif
+#endif /* __MINI_GMP_H__ */

util/travis/before_install.sh

@@ -12,7 +12,7 @@ sudo apt-get install p7zip-full
 if [[ $PLATFORM == "Linux" ]]; then
 	sudo apt-get install libirrlicht-dev cmake libbz2-dev libpng12-dev \
 		libjpeg-dev libxxf86vm-dev libgl1-mesa-dev libsqlite3-dev \
-		libhiredis-dev libogg-dev libvorbis-dev libopenal-dev gettext
+		libhiredis-dev libogg-dev libgmp-dev libvorbis-dev libopenal-dev gettext
 	# Linking to LevelDB is broken, use a custom build
 	wget http://sfan5.pf-control.de/libleveldb-1.18-ubuntu12.04.7z
 	sudo 7z x -o/usr libleveldb-1.18-ubuntu12.04.7z