diff --git a/acpica.spec b/acpica.spec
index 4b6688b..5a803de 100644
--- a/acpica.spec
+++ b/acpica.spec
@@ -1,5 +1,5 @@
 Name:          acpica
-Version:       20120420
+Version:       20180629
 Release:       1mamba
 Summary:       Advanced Configuration & Power Interface Component Architecture
 Group:         System/Kernel and Hardware
@@ -7,13 +7,16 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Stefano Cotta Ramusino <stefano.cotta@openmamba.org>
 URL:           http://www.intel.com/technology/iapc/acpi/downloads.htm
-Source:        http://www.acpica.org/download/acpica-unix-%{version}.tar.gz
+Source:        https://acpica.org/sites/acpica/files/acpica-unix-%{version}.tar.gz
 Source1:       %{name}-license
 Source2:       http://www.intel.com/technology/iapc/acpi/downloads/AslCompiler.pdf
 Source3:       http://www.intel.com/technology/iapc/acpi/downloads/ACPICA-ProgRef.pdf
 Patch0:        %{name}-20061109-makefile.patch
 Patch1:        %{name}-20061109-iasl_manpage.patch
 License:       Intel Software License Agreement
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+## AUTOBUILDREQ-END
 BuildRequires: flex
 BuildRequires: bison
 ExclusiveArch: %{ix86} x86_64
@@ -33,22 +36,11 @@ cp %{S:1} LICENSE
 cp %{S:2} %{S:3} .
 
 %build
-cd source
-%make -j1 -C compiler
-%make -C tools/acpisrc
-%make -C tools/acpixtract
+%make
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
-cd source
-install -D -m 755 compiler/iasl \
-   %{buildroot}%{_bindir}/iasl
-install -D -m 644 iasl.1 \
-   %{buildroot}%{_mandir}/man1/iasl.1
-install -D -m 755 tools/acpisrc/acpisrc \
-   %{buildroot}%{_bindir}/acpisrc
-install -D -m 755 tools/acpixtract/acpixtract \
-   %{buildroot}%{_bindir}/acpixtract
+%makeinstall
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
@@ -56,10 +48,13 @@ install -D -m 755 tools/acpixtract/acpixtract \
 %files
 %defattr(-,root,root)
 %{_bindir}/*
-%{_mandir}/man1/*
-%doc changes.txt README source/LICENSE source/*.pdf
+#%{_mandir}/man1/*
+%doc source/LICENSE
 
 %changelog
+* Sat Jul 28 2018 Silvan Calarco <silvan.calarco@mambasoft.it> 20180629-1mamba
+- update to 20180629
+
 * Sun Apr 22 2012 Silvan Calarco <silvan.calarco@mambasoft.it> 20120420-1mamba
 - update to 20120420