From 488ba864eff36e1b7c94d8a3c724b69b2d24252c Mon Sep 17 00:00:00 2001
From: Jason Volk <jason@zemos.net>
Date: Mon, 14 Sep 2020 17:11:07 -0700
Subject: [PATCH] include/ircd/Makefile: Additional PCH options for various
 clangs; minor cleanup.

---
 include/ircd/Makefile.am | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/include/ircd/Makefile.am b/include/ircd/Makefile.am
index c943f68c8..b7509020b 100644
--- a/include/ircd/Makefile.am
+++ b/include/ircd/Makefile.am
@@ -11,16 +11,24 @@ AM_CXXFLAGS = \
 	###
 
 if GCC
-AM_CXXFLAGS += \
-	-fpch-deps \
-	###
+AM_CXXFLAGS += -fpch-deps
+endif
+
+if CLANG
+AM_CPPFLAGS += -fpch-preprocess
+endif
+
+if CLANG10
+AM_CXXFLAGS += -fpch-validate-input-files-content
+endif
+
+if CLANG11
+AM_CXXFLAGS += -fpch-instantiate-templates
 endif
 
 if DEBUG
 if GCC
-AM_CXXFLAGS += \
-	-fmax-errors=2 \
-	###
+AM_CXXFLAGS += -fmax-errors=2
 endif
 endif