diff --git a/easybuild/easyconfigs/l/LLVM/LLVM-3.9.0-foss-2016b.eb b/easybuild/easyconfigs/l/LLVM/LLVM-3.9.0-foss-2016b.eb
index 2a5106af44b1..c67faef292c1 100644
--- a/easybuild/easyconfigs/l/LLVM/LLVM-3.9.0-foss-2016b.eb
+++ b/easybuild/easyconfigs/l/LLVM/LLVM-3.9.0-foss-2016b.eb
@@ -28,10 +28,10 @@ dependencies = [
     ('zlib', '1.2.8'),
 ]
 
-configopts = '-DBUILD_SHARED_LIBS=ON '
+configopts = "-DBUILD_SHARED_LIBS=ON "
 # required to install extra tools in bin/
-configopts += '-DLLVM_INSTALL_UTILS=ON -DLLVM_TARGETS_TO_BUILD=X86 -DLLVM_ENABLE_ZLIB=ON '
-configopts += '-DCMAKE_BUILD_TYPE=Release '
+configopts += "-DLLVM_INSTALL_UTILS=ON -DLLVM_TARGETS_TO_BUILD=X86 -DLLVM_ENABLE_ZLIB=ON -DLLVM_ENABLE_RTTI=1 "
+configopts += "-DCMAKE_BUILD_TYPE=Release "
 
 sanity_check_paths = {
     'files': ['bin/llvm-ar', 'bin/FileCheck'],
diff --git a/easybuild/easyconfigs/l/LLVM/LLVM-3.9.0-intel-2016b.eb b/easybuild/easyconfigs/l/LLVM/LLVM-3.9.0-intel-2016b.eb
index 2bf426d40231..7252e90e8be0 100644
--- a/easybuild/easyconfigs/l/LLVM/LLVM-3.9.0-intel-2016b.eb
+++ b/easybuild/easyconfigs/l/LLVM/LLVM-3.9.0-intel-2016b.eb
@@ -32,8 +32,8 @@ dependencies = [
 
 configopts = '-DBUILD_SHARED_LIBS=ON -DCMAKE_EXE_LINKER_FLAGS="$LDFLAGS -shared-intel" '
 # required to install extra tools in bin/
-configopts += '-DLLVM_INSTALL_UTILS=ON -DLLVM_TARGETS_TO_BUILD=X86 -DLLVM_ENABLE_ZLIB=ON '
-configopts += '-DCMAKE_BUILD_TYPE=Release '
+configopts += "-DLLVM_INSTALL_UTILS=ON -DLLVM_TARGETS_TO_BUILD=X86 -DLLVM_ENABLE_ZLIB=ON -DLLVM_ENABLE_RTTI=1 "
+configopts += "-DCMAKE_BUILD_TYPE=Release "
 
 sanity_check_paths = {
     'files': ['bin/llvm-ar', 'bin/FileCheck'],
diff --git a/easybuild/easyconfigs/l/LLVM/LLVM-3.9.1-foss-2017a.eb b/easybuild/easyconfigs/l/LLVM/LLVM-3.9.1-foss-2017a.eb
index 7666df6063da..741ddda8b5d6 100644
--- a/easybuild/easyconfigs/l/LLVM/LLVM-3.9.1-foss-2017a.eb
+++ b/easybuild/easyconfigs/l/LLVM/LLVM-3.9.1-foss-2017a.eb
@@ -28,10 +28,10 @@ dependencies = [
     ('zlib', '1.2.11'),
 ]
 
-configopts = '-DBUILD_SHARED_LIBS=ON '
+configopts = "-DBUILD_SHARED_LIBS=ON "
 # required to install extra tools in bin/
-configopts += '-DLLVM_INSTALL_UTILS=ON -DLLVM_TARGETS_TO_BUILD=X86 -DLLVM_ENABLE_ZLIB=ON '
-configopts += '-DCMAKE_BUILD_TYPE=Release '
+configopts += "-DLLVM_INSTALL_UTILS=ON -DLLVM_TARGETS_TO_BUILD=X86 -DLLVM_ENABLE_ZLIB=ON -DLLVM_ENABLE_RTTI=1 "
+configopts += "-DCMAKE_BUILD_TYPE=Release "
 
 sanity_check_paths = {
     'files': ['bin/llvm-ar', 'bin/FileCheck'],
diff --git a/easybuild/easyconfigs/l/LLVM/LLVM-4.0.0-foss-2017a.eb b/easybuild/easyconfigs/l/LLVM/LLVM-4.0.0-foss-2017a.eb
index d9e41a146016..80c6f388ec5e 100644
--- a/easybuild/easyconfigs/l/LLVM/LLVM-4.0.0-foss-2017a.eb
+++ b/easybuild/easyconfigs/l/LLVM/LLVM-4.0.0-foss-2017a.eb
@@ -28,10 +28,10 @@ dependencies = [
     ('zlib', '1.2.11'),
 ]
 
-configopts = '-DBUILD_SHARED_LIBS=ON '
+configopts = "-DBUILD_SHARED_LIBS=ON "
 # required to install extra tools in bin/
-configopts += '-DLLVM_INSTALL_UTILS=ON -DLLVM_TARGETS_TO_BUILD=X86 -DLLVM_ENABLE_ZLIB=ON '
-configopts += '-DCMAKE_BUILD_TYPE=Release '
+configopts += "-DLLVM_INSTALL_UTILS=ON -DLLVM_TARGETS_TO_BUILD=X86 -DLLVM_ENABLE_ZLIB=ON -DLLVM_ENABLE_RTTI=1 "
+configopts += "-DCMAKE_BUILD_TYPE=Release "
 
 sanity_check_paths = {
     'files': ['bin/llvm-ar', 'bin/FileCheck'],
diff --git a/easybuild/easyconfigs/l/LLVM/LLVM-4.0.0-intel-2017a.eb b/easybuild/easyconfigs/l/LLVM/LLVM-4.0.0-intel-2017a.eb
index 5fba0f28fc4c..0122c286a5ee 100644
--- a/easybuild/easyconfigs/l/LLVM/LLVM-4.0.0-intel-2017a.eb
+++ b/easybuild/easyconfigs/l/LLVM/LLVM-4.0.0-intel-2017a.eb
@@ -30,7 +30,8 @@ dependencies = [
 
 configopts = '-DBUILD_SHARED_LIBS=ON -DCMAKE_EXE_LINKER_FLAGS="$LDFLAGS -shared-intel" '
 # required to install extra tools in bin/
-configopts += "-DLLVM_INSTALL_UTILS=ON -DLLVM_TARGETS_TO_BUILD=X86 -DLLVM_ENABLE_ZLIB=ON"
+configopts += "-DLLVM_INSTALL_UTILS=ON -DLLVM_TARGETS_TO_BUILD=X86 -DLLVM_ENABLE_ZLIB=ON -DLLVM_ENABLE_RTTI=1 "
+configopts += "-DCMAKE_BUILD_TYPE=Release "
 
 sanity_check_paths = {
     'files': ['bin/llvm-ar', 'bin/FileCheck'],
diff --git a/easybuild/easyconfigs/l/LLVM/LLVM-4.0.1-intel-2017a.eb b/easybuild/easyconfigs/l/LLVM/LLVM-4.0.1-intel-2017a.eb
index 6b4e290032ac..9787394f8fb6 100644
--- a/easybuild/easyconfigs/l/LLVM/LLVM-4.0.1-intel-2017a.eb
+++ b/easybuild/easyconfigs/l/LLVM/LLVM-4.0.1-intel-2017a.eb
@@ -31,7 +31,8 @@ dependencies = [
 
 configopts = '-DBUILD_SHARED_LIBS=ON -DCMAKE_EXE_LINKER_FLAGS="$LDFLAGS -shared-intel" '
 # required to install extra tools in bin/
-configopts += "-DLLVM_INSTALL_UTILS=ON -DLLVM_TARGETS_TO_BUILD=X86 -DLLVM_ENABLE_ZLIB=ON"
+configopts += "-DLLVM_INSTALL_UTILS=ON -DLLVM_TARGETS_TO_BUILD=X86 -DLLVM_ENABLE_ZLIB=ON -DLLVM_ENABLE_RTTI=1 "
+configopts += "-DCMAKE_BUILD_TYPE=Release "
 
 sanity_check_paths = {
     'files': ['bin/llvm-ar', 'bin/FileCheck'],
diff --git a/easybuild/easyconfigs/l/LLVM/LLVM-5.0.0-intel-2017b.eb b/easybuild/easyconfigs/l/LLVM/LLVM-5.0.0-intel-2017b.eb
new file mode 100644
index 000000000000..e4e7c04f11d8
--- /dev/null
+++ b/easybuild/easyconfigs/l/LLVM/LLVM-5.0.0-intel-2017b.eb
@@ -0,0 +1,44 @@
+easyblock = 'CMakeMake'
+
+name = 'LLVM'
+version = '5.0.0'
+
+homepage = "http://llvm.org/"
+description = """The LLVM Core libraries provide a modern source- and target-independent
+ optimizer, along with code generation support for many popular CPUs
+ (as well as some less common ones!) These libraries are built around a well
+ specified code representation known as the LLVM intermediate representation
+ ("LLVM IR"). The LLVM Core libraries are well documented, and it is
+ particularly easy to invent your own language (or port an existing compiler)
+ to use LLVM as an optimizer and code generator."""
+
+toolchain = {'name': 'intel', 'version': '2017b'}
+toolchainopts = {'cstd': 'gnu++11'}
+
+source_urls = ["http://llvm.org/releases/%(version)s"]
+sources = ["llvm-%(version)s.src.tar.xz"]
+checksums = ['e35dcbae6084adcf4abb32514127c5eabd7d63b733852ccdb31e06f1373136da']
+
+builddependencies = [
+    ('CMake', '3.9.5'),
+    ('Python', '2.7.14'),
+]
+
+dependencies = [
+    ('ncurses', '6.0'),
+    ('zlib', '1.2.11'),
+]
+
+configopts = '-DBUILD_SHARED_LIBS=ON -DCMAKE_EXE_LINKER_FLAGS="$LDFLAGS -shared-intel" '
+# required to install extra tools in bin/
+configopts += "-DLLVM_INSTALL_UTILS=ON -DLLVM_TARGETS_TO_BUILD=X86 -DLLVM_ENABLE_ZLIB=ON -DLLVM_ENABLE_RTTI=1 "
+configopts += "-DCMAKE_BUILD_TYPE=Release "
+
+sanity_check_paths = {
+    'files': ['bin/llvm-ar', 'bin/FileCheck'],
+    'dirs': ['include/llvm', 'include/llvm-c'],
+}
+
+separate_build_dir = True
+
+moduleclass = 'compiler'