1From 93ad7cf3ff92771451c2994cab45e34a0c8574a0 Mon Sep 17 00:00:00 2001
2From: Khem Raj <raj.khem@gmail.com>
3Date: Fri, 20 Feb 2015 10:25:11 +0000
4Subject: [PATCH] Ensure target gcc headers can be included
5
6There are a few headers installed as part of the OpenEmbedded
7gcc-runtime target (omp.h, ssp/*.h). Being installed from a recipe
8built for the target architecture, these are within the target
9sysroot and not cross/nativesdk; thus they weren't able to be
10found by gcc with the existing search paths. Add support for
11picking up these headers under the sysroot supplied on the gcc
12command line in order to resolve this.
13
14Extend target gcc headers search to musl too
15
16Upstream-Status: Pending
17
18Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
19Signed-off-by: Khem Raj <raj.khem@gmail.com>
20---
21 gcc/Makefile.in           | 2 ++
22 gcc/config/linux.h        | 8 ++++++++
23 gcc/config/rs6000/sysv4.h | 8 ++++++++
24 gcc/cppdefault.cc         | 4 ++++
25 4 files changed, 22 insertions(+)
26
27diff --git a/gcc/Makefile.in b/gcc/Makefile.in
28index fe636af3f63..065ce7e9a5b 100644
29--- a/gcc/Makefile.in
30+++ b/gcc/Makefile.in
31@@ -640,6 +640,7 @@ libexecdir = @libexecdir@
32
33 # Directory in which the compiler finds libraries etc.
34 libsubdir = $(libdir)/gcc/$(real_target_noncanonical)/$(version)$(accel_dir_suffix)
35+libsubdir_target = $(target_noncanonical)/$(version)
36 # Directory in which the compiler finds executables
37 libexecsubdir = $(libexecdir)/gcc/$(real_target_noncanonical)/$(version)$(accel_dir_suffix)
38 # Directory in which all plugin resources are installed
39@@ -3059,6 +3060,7 @@ CFLAGS-intl.o += -DLOCALEDIR=\"$(localedir)\"
40
41 PREPROCESSOR_DEFINES = \
42   -DGCC_INCLUDE_DIR=\"$(libsubdir)/include\" \
43+  -DGCC_INCLUDE_SUBDIR_TARGET=\"$(libsubdir_target)/include\" \
44   -DFIXED_INCLUDE_DIR=\"$(libsubdir)/include-fixed\" \
45   -DGPLUSPLUS_INCLUDE_DIR=\"$(gcc_gxx_include_dir)\" \
46   -DGPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT=$(gcc_gxx_include_dir_add_sysroot) \
47diff --git a/gcc/config/linux.h b/gcc/config/linux.h
48index 6491c6b84f5..57496ff1f2f 100644
49--- a/gcc/config/linux.h
50+++ b/gcc/config/linux.h
51@@ -157,6 +157,13 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
52 #define INCLUDE_DEFAULTS_MUSL_TOOL
53 #endif
54
55+#ifdef GCC_INCLUDE_SUBDIR_TARGET
56+#define INCLUDE_DEFAULTS_MUSL_SUBDIR_TARGET		\
57+    { STANDARD_STARTFILE_PREFIX_2 GCC_INCLUDE_SUBDIR_TARGET, "GCC", 0, 0, 1, 0},
58+#else
59+#define INCLUDE_DEFAULTS_MUSL_SUBDIR_TARGET
60+#endif
61+
62 #ifdef NATIVE_SYSTEM_HEADER_DIR
63 #define INCLUDE_DEFAULTS_MUSL_NATIVE			\
64     { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 2 },	\
65@@ -183,6 +190,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
66     INCLUDE_DEFAULTS_MUSL_PREFIX			\
67     INCLUDE_DEFAULTS_MUSL_CROSS				\
68     INCLUDE_DEFAULTS_MUSL_TOOL				\
69+    INCLUDE_DEFAULTS_MUSL_SUBDIR_TARGET			\
70     INCLUDE_DEFAULTS_MUSL_NATIVE			\
71     { GCC_INCLUDE_DIR, "GCC", 0, 1, 0, 0 },		\
72     { 0, 0, 0, 0, 0, 0 }				\
73diff --git a/gcc/config/rs6000/sysv4.h b/gcc/config/rs6000/sysv4.h
74index 26db003cb3a..3a443abcf6b 100644
75--- a/gcc/config/rs6000/sysv4.h
76+++ b/gcc/config/rs6000/sysv4.h
77@@ -986,6 +986,13 @@ ncrtn.o%s"
78 #define INCLUDE_DEFAULTS_MUSL_TOOL
79 #endif
80
81+#ifdef GCC_INCLUDE_SUBDIR_TARGET
82+#define INCLUDE_DEFAULTS_MUSL_SUBDIR_TARGET            \
83+    { STANDARD_STARTFILE_PREFIX_2 GCC_INCLUDE_SUBDIR_TARGET, "GCC", 0, 0, 1, 0},
84+#else
85+#define INCLUDE_DEFAULTS_MUSL_SUBDIR_TARGET
86+#endif
87+
88 #ifdef NATIVE_SYSTEM_HEADER_DIR
89 #define INCLUDE_DEFAULTS_MUSL_NATIVE			\
90     { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 2 },	\
91@@ -1012,6 +1019,7 @@ ncrtn.o%s"
92     INCLUDE_DEFAULTS_MUSL_PREFIX			\
93     INCLUDE_DEFAULTS_MUSL_CROSS				\
94     INCLUDE_DEFAULTS_MUSL_TOOL				\
95+    INCLUDE_DEFAULTS_MUSL_SUBDIR_TARGET			\
96     INCLUDE_DEFAULTS_MUSL_NATIVE			\
97     { GCC_INCLUDE_DIR, "GCC", 0, 1, 0, 0 },		\
98     { 0, 0, 0, 0, 0, 0 }				\
99diff --git a/gcc/cppdefault.cc b/gcc/cppdefault.cc
100index 141bb4d25f6..734590a7059 100644
101--- a/gcc/cppdefault.cc
102+++ b/gcc/cppdefault.cc
103@@ -64,6 +64,10 @@ const struct default_include cpp_include_defaults[]
104     /* This is the dir for gcc's private headers.  */
105     { GCC_INCLUDE_DIR, "GCC", 0, 0, 0, 0 },
106 #endif
107+#ifdef GCC_INCLUDE_SUBDIR_TARGET
108+    /* This is the dir for gcc's private headers under the specified sysroot.  */
109+    { STANDARD_STARTFILE_PREFIX_2 GCC_INCLUDE_SUBDIR_TARGET, "GCC", 0, 0, 1, 0 },
110+#endif
111 #ifdef LOCAL_INCLUDE_DIR
112     /* /usr/local/include comes before the fixincluded header files.  */
113     { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 2 },
114