diff --git a/srcpkgs/intel-undervolt/patches/use_stdint_types.patch b/srcpkgs/intel-undervolt/patches/use_stdint_types.patch
new file mode 100644
index 00000000000..a1a60c1e262
--- /dev/null
+++ b/srcpkgs/intel-undervolt/patches/use_stdint_types.patch
@@ -0,0 +1,88 @@
+--- main.c.orig	2018-07-27 05:54:27.274246612 -0700
++++ main.c	2018-07-27 05:54:15.286170284 -0700
+@@ -2,6 +2,7 @@
+ #include <math.h>
+ #include <setjmp.h>
+ #include <signal.h>
++#include <stdint.h>
+ #include <stdio.h>
+ #include <stdlib.h>
+ #include <string.h>
+@@ -19,7 +20,7 @@
+ 	siglongjmp(sigsegv_handler_jmp_buf, 1);
+ }
+ 
+-static bool safe_read_write(u_int64_t * addr, u_int64_t * data, bool write) {
++static bool safe_read_write(uint64_t * addr, uint64_t * data, bool write) {
+ 	struct sigaction oldact;
+ 	struct sigaction act;
+ 	memset(&act, 0, sizeof(struct sigaction));
+@@ -57,10 +58,10 @@
+ 	undervolt_ctx * ctx = data;
+ 
+ 	static int mask = 0x800;
+-	u_int64_t uvint = ((u_int64_t) (mask - absf(uv->value) * 1.024f + 0.5f)
++	uint64_t uvint = ((uint64_t) (mask - absf(uv->value) * 1.024f + 0.5f)
+ 		<< 21) & 0xffffffff;
+-	u_int64_t rdval = 0x8000001000000000 | ((u_int64_t) uv->index << 40);
+-	u_int64_t wrval = rdval | 0x100000000 | uvint;
++	uint64_t rdval = 0x8000001000000000 | ((uint64_t) uv->index << 40);
++	uint64_t wrval = rdval | 0x100000000 | uvint;
+ 
+ 	bool write_success = !ctx->write ||
+ 		wr(ctx->config, MSR_ADDR_VOLTAGE, wrval);
+@@ -138,9 +139,9 @@
+ 		void * mem = config->tdp_mem + (MEM_ADDR_TDP & MAP_MASK);
+ 		const char * errstr = NULL;
+ 
+-		u_int64_t msr_limit;
+-		u_int64_t mchbar_limit;
+-		u_int64_t units;
++		uint64_t msr_limit;
++		uint64_t mchbar_limit;
++		uint64_t units;
+ 		if (rd(config, MSR_ADDR_TDP, msr_limit)) {
+ 			if (!safe_read_write(mem, &mchbar_limit, false)) {
+ 				errstr = "Segmentation fault";
+@@ -161,15 +162,15 @@
+ 
+ 			if (write) {
+ 				int max_tdp = 0x7fff / power_unit;
+-				u_int64_t masked = msr_limit & 0xffff8000ffff8000;
+-				u_int64_t short_term = config->tdp_short_term < 0 ? 0 :
++				uint64_t masked = msr_limit & 0xffff8000ffff8000;
++				uint64_t short_term = config->tdp_short_term < 0 ? 0 :
+ 					config->tdp_short_term > max_tdp ? max_tdp :
+ 					config->tdp_short_term * power_unit;
+-				u_int64_t long_term = config->tdp_long_term < 0 ? 0 :
++				uint64_t long_term = config->tdp_long_term < 0 ? 0 :
+ 					config->tdp_long_term > max_tdp ? max_tdp :
+ 					config->tdp_long_term * power_unit;
+-				u_int64_t value = masked | (short_term << 32) | long_term;
+-				u_int64_t time;
++				uint64_t value = masked | (short_term << 32) | long_term;
++				uint64_t time;
+ 				if (config->tdp_short_time_window > 0) {
+ 					masked = value & 0xff01ffffffffffff;
+ 					time = tdp_from_seconds(config->tdp_short_time_window,
+@@ -229,9 +230,9 @@
+ 		const char * errstr = NULL;
+ 
+ 		if (write) {
+-			u_int64_t limit;
++			uint64_t limit;
+ 			if (rd(config, MSR_ADDR_TEMPERATURE, limit)) {
+-				u_int64_t offset = abs(config->tjoffset);
++				uint64_t offset = abs(config->tjoffset);
+ 				offset = offset > 0x3f ? 0x3f : offset;
+ 				limit = (limit & 0xffffffffc0ffffff) | (offset << 24);
+ 				if (!wr(config, MSR_ADDR_TEMPERATURE, limit)) {
+@@ -245,7 +246,7 @@
+ 		if (errstr) {
+ 			printf("Failed to write temperature offset: %s\n", errstr);
+ 		} else if (nl) {
+-			u_int64_t limit;
++			uint64_t limit;
+ 			if (rd(config, MSR_ADDR_TEMPERATURE, limit)) {
+ 				int offset = (limit & 0x3f000000) >> 24;
+ 				printf("Critical offset: -%d°C\n", offset);
diff --git a/srcpkgs/intel-undervolt/template b/srcpkgs/intel-undervolt/template
new file mode 100644
index 00000000000..59a318f9284
--- /dev/null
+++ b/srcpkgs/intel-undervolt/template
@@ -0,0 +1,12 @@
+# Template file for 'intel-undervolt'
+pkgname=intel-undervolt
+version=1.4
+revision=1
+build_style=gnu-makefile
+conf_files="/etc/intel-undervolt.conf"
+short_desc="Intel CPU undervolting tool"
+maintainer="Renato Aguiar <renato@renag.me>"
+license="GPL-3.0-or-later"
+homepage="https://github.com/kitsunyan/intel-undervolt"
+distfiles="https://github.com/kitsunyan/intel-undervolt/archive/${version}.tar.gz"
+checksum=89c555d03ee7ab3073c5ae0a2879a83b12a7a1325f33c43aea562b656953d410