diff --git a/README.md b/README.md
index 08fcae8..9201494 100644
--- a/README.md
+++ b/README.md
@@ -4,51 +4,47 @@ A starter template for hl2sdk server plugins.
 
 ## Requirements
 
-Meson, Ninja, gcc.
+Meson, Ninja, gcc/clang.
 
 ## Support
 
-### Compiler & targets
-
-|          | Linux x86 | Linux x64 | Windows x86 | Windows x64 |
-| ----     | ----      | ----      | ----        | ----        |
-| gcc      | yes       | yes       | no          | no          |
-| clang    | no        | no        | no          | no          |
-| msvc     | no        | no        | no          | no          |
-
-### SDK branches
-
-| Branch      | Supported |
-| ----        | ----      |
-| bgt         | yes       |
-| blade       | no        |
-| bms         | no        |
-| contagion   | no        |
-| cs2         | no        |
-| csgo        | no        |
-| css         | yes       |
-| darkm       | no        |
-| dods        | yes       |
-| doi         | no        |
-| dota        | no        |
-| episode1    | no        |
-| eye         | yes       |
-| gmod        | yes       |
-| hl2dm       | yes       |
-| insurgency  | no        |
-| l4d         | yes       |
-| l4d2        | yes       |
-| mcv         | no        |
-| nucleardawn | yes       |
-| orangebox   | yes       |
-| portal2     | no        |
-| pvkii       | no        |
-| sdk2013     | no        |
-| swarm       | no        |
-| tf2         | yes       |
-
 For more details check out the `build-matrix.sh` script and meson files.
 
+### Linux
+
+| Branch      | gcc     | clang |
+| ----        | ----    | ----  |
+| bgt         | x86     | x86   |
+| blade       | -       | -     |
+| bms         | -       | -     |
+| contagion   | -       | -     |
+| cs2         | -       | -     |
+| csgo        | -       | -     |
+| css         | x86     | x86   |
+| darkm       | -       | -     |
+| dods        | x86     | x86   |
+| doi         | -       | -     |
+| dota        | -       | -     |
+| episode1    | -       | -     |
+| eye         | x86     | x86   |
+| gmod        | x86     | -     |
+| hl2dm       | x86     | x86   |
+| insurgency  | -       | -     |
+| l4d         | x86     | x86   |
+| l4d2        | x86     | x86   |
+| mcv         | -       | -     |
+| nucleardawn | x86     | x86   |
+| orangebox   | x86     | x86   |
+| portal2     | -       | -     |
+| pvkii       | -       | -     |
+| sdk2013     | -       | -     |
+| swarm       | -       | -     |
+| tf2         | x86/x64 | -     |
+
+### Windows
+
+Not at the moment.
+
 ## Building
 
 1. Check out the correct SDK branch, e.g. `tf2`:
diff --git a/build-matrix.sh b/build-matrix.sh
index 100e54c..fadda6c 100755
--- a/build-matrix.sh
+++ b/build-matrix.sh
@@ -1,9 +1,9 @@
 #!/bin/bash
 
-set -euo pipefail
+set -eo pipefail
 
 ARCHS=('x86' 'x64')
-COMPILERS=('g++')
+COMPILERS=('g++' 'clang++')
 BUILDTYPES=('debug' 'release')
 BRANCHES=(
     'bgt'
@@ -13,11 +13,11 @@ BRANCHES=(
     # 'cs2' #new.h
     # 'csgo' #new.h
     'css'
-    # 'darkm' #public/game/client
+    # 'darkm' #public/game/server
     'dods'
     # 'doi' #new.h
     # 'dota' #new.h
-    # 'episode1' #public/game/client
+    # 'episode1' #public/game/server
     'eye'
     'gmod'
     'hl2dm'
@@ -74,6 +74,18 @@ do
 
         for CMP in "${COMPILERS[@]}"
         do
+            # memdbgon.h forces NO_MALLOC_OVERRIDE,
+            # utlmemory.h _aligned_malloc undefined.
+            # Should we always define NO_MALLOC_OVERRIDE on clang?
+            if [ "$CMP" = "clang++" ]
+            then
+                if [ "$BRANCH" = "gmod" ] || [ "$BRANCH" = "tf2" ]
+                then
+                    echo "$BRANCH does not support $CMP, skipping!"
+                    continue
+                fi
+            fi
+
             export CXX="$CMP"
 
             for TYPE in "${BUILDTYPES[@]}"
diff --git a/meson.build b/meson.build
index fbb8a90..6e4f36f 100644
--- a/meson.build
+++ b/meson.build
@@ -26,17 +26,12 @@ if arch != 'x86' and arch != 'x64'
   error('Unsupported arch "@0@"', arch)
 endif
 
-# Compiler specific defines
-if compiler == 'gcc' or compiler == 'clang'
-  compiler_args += [
-    '-DGNUC'
-  ]
-endif
-
 # Warnings
 compiler_args += [
   '-Wall',
 ]
+
+# Compiler specific stuff
 if compiler == 'msvc'
   compiler_args += [
     # '/WX',
@@ -44,14 +39,30 @@ if compiler == 'msvc'
 elif compiler == 'gcc'
   compiler_args += [
     # '-Werror',
+    '-DGNUC',
+    '-DNO_MALLOC_OVERRIDE',
+    '-msse',
+    '-fPIC',
+    '-fpermissive',
     '-Wno-overloaded-virtual',
   ]
+  linker_args += [
+    '-static-libgcc',
+  ]
 elif compiler == 'clang'
   compiler_args += [
     # '-Werror',
+    '-DGNUC',
+    '-msse',
+    '-fPIC',
+    '-fpermissive',
     '-Wno-overloaded-virtual',
+    '-Wno-register',
     '-fms-extensions', # narrowing casts
   ]
+  linker_args += [
+    '-static-libgcc',
+  ]
 endif
 
 # Debug/Release target
@@ -114,13 +125,6 @@ elif host_system == 'linux'
 	'-D_vsnprintf=vsnprintf',
 	'-D_alloca=alloca',
 	'-Dstrcmpi=strcasecmp',
-    '-DNO_MALLOC_OVERRIDE',
-    '-msse',
-    '-fPIC',
-    '-fpermissive',
-  ]
-  linker_args += [
-    '-static-libgcc',
   ]
 endif
 
@@ -150,12 +154,12 @@ elif arch == 'x64'
 endif
 
 # Target specific workarounds
-if host_system == 'linux' and buildtype == 'release'
+if host_system == 'linux' and buildtype == 'release' and compiler == 'gcc'
   compiler_args += [
     '-Wno-strict-aliasing',
   ]
 endif
-if host_system == 'linux' and arch == 'x64'
+if host_system == 'linux' and arch == 'x64' and compiler == 'gcc'
   compiler_args += [
     # CThreadSpinRWLock() COMPILE_TIME_ASSERT wrong LockInfo_t size
     '-U_DEBUG',