From 41bcf47643ae7e0a85c8fb4be9e235e6a4e723ec Mon Sep 17 00:00:00 2001
From: kamg <unknown>
Date: Mon, 11 Jun 2012 13:10:14 -0400
Subject: [PATCH] 7175914: Usage of gcc with precompiled headers produces wrong
 build dependencies Summary: Add -fpch-deps flag to gcc builds Reviewed-by:
 kamg, coleenp Contributed-by: volker.simonis@gmail.com

---
 make/bsd/makefiles/gcc.make     | 2 +-
 make/linux/makefiles/gcc.make   | 2 +-
 make/solaris/makefiles/gcc.make | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/make/bsd/makefiles/gcc.make b/make/bsd/makefiles/gcc.make
index 938da94fe..249628ee7 100644
--- a/make/bsd/makefiles/gcc.make
+++ b/make/bsd/makefiles/gcc.make
@@ -214,7 +214,7 @@ endif
 
 # Flags for generating make dependency flags.
 ifneq ("${CC_VER_MAJOR}", "2")
-DEPFLAGS = -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d)
+DEPFLAGS = -fpch-deps -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d)
 endif
 
 # -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp.
diff --git a/make/linux/makefiles/gcc.make b/make/linux/makefiles/gcc.make
index 57fcad6f5..ff0a3753d 100644
--- a/make/linux/makefiles/gcc.make
+++ b/make/linux/makefiles/gcc.make
@@ -166,7 +166,7 @@ endif
 
 # Flags for generating make dependency flags.
 ifneq ("${CC_VER_MAJOR}", "2")
-DEPFLAGS = -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d)
+DEPFLAGS = -fpch-deps -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d)
 endif
 
 # -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp.
diff --git a/make/solaris/makefiles/gcc.make b/make/solaris/makefiles/gcc.make
index 4d0db9e7a..be26f6d41 100644
--- a/make/solaris/makefiles/gcc.make
+++ b/make/solaris/makefiles/gcc.make
@@ -141,7 +141,7 @@ OPT_CFLAGS/NOOPT=-O0
 
 # Flags for generating make dependency flags.
 ifneq ("${CC_VER_MAJOR}", "2")
-DEPFLAGS = -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d)
+DEPFLAGS = -fpch-deps -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d)
 endif
 
 # -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp.
-- 
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