Issue with RTEMS 4.12 compiler include path

[John Harwell]

Hello,

I have been able to successfully build what I think is the SMP version 
of RTEMS 4.12 for SPARC by downloading and building the tools:

../source-builder/sb-set-builder --prefix=/opt/rtems-4.12 4.12/rtems-sparc

And configuring, building, and installing RTEMS:
../rtems/configure --prefix=/opt/rtems-4.12 --target=sparc-rtems4.12  
--enable-posix --enable-rtemsbsp="leon3" --enable-tests=samples 
--enable-smp CONSOLE_USE_INTERRUPTS=0
make install

I got the configure line from a README I found on the Gaisler site.

However, after building RTEMS and then attempting to build a very simple 
application consisting only of an empty Init(), I get the following 
error message:

fatal error: rtems.h: No such file or directory

I  do have rtems.h in /opt/rtems-4.12/sparc-rtems/leon3/lib/include, but 
that path is not in the compiler built-in search path. I can get around 
this but manually adding this directory to the include path, but I'm 
wondering if I configured something incorrectly in the build process 
which caused this to happen.

Here is the information of the compiler:
Using built-in specs.
COLLECT_GCC=/opt/rtems-4.12/bin/sparc-rtems4.12-gcc
Target: sparc-rtems4.12
Configured with: ../gcc-6-20160609/configure --prefix=/opt/rtems-4.12 
--bindir=/opt/rtems-4.12/bin --exec_prefix=/opt/rtems-4.12 
--includedir=/opt/rtems-4.12/include --libdir=/opt/rtems-4.12/lib 
--libexecdir=/opt/rtems-4.12/libexec --mandir=/opt/rtems-4.12/share/man 
--infodir=/opt/rtems-4.12/share/info --datadir=/opt/rtems-4.12/share 
--build=x86_64-linux-gnu --host=x86_64-linux-gnu 
--target=sparc-rtems4.12 --disable-libstdcxx-pch --with-gnu-as 
--with-gnu-ld --verbose --with-newlib --with-system-zlib --disable-nls 
--without-included-gettext --disable-win32-registry 
--enable-version-specific-runtime-libs --disable-lto 
--enable-newlib-io-c99-formats --enable-newlib-iconv 
--enable-newlib-iconv-encodings=big5,cp775,cp850,cp852,cp855,cp866,euc_jp,euc_kr,euc_tw,iso_8859_1,iso_8859_10,iso_8859_11,iso_8859_13,iso_8859_14,iso_8859_15,iso_8859_2,iso_8859_3,iso_8859_4,iso_8859_5,iso_8859_6,iso_8859_7,iso_8859_8,iso_8859_9,iso_ir_111,koi8_r,koi8_ru,koi8_u,koi8_uni,ucs_2,ucs_2_internal,ucs_2be,ucs_2le,ucs_4,ucs_4_internal,ucs_4be,ucs_4le,us_ascii,utf_16,utf_16be,utf_16le,utf_8,win_1250,win_1251,win_1252,win_1253,win_1254,win_1255,win_1256,win_1257,win_1258 
--enable-threads --disable-plugin --enable-libgomp --enable-languages=c,c++
Thread model: rtems
gcc version 6.1.1 20160609 (RTEMS 4.12, RSB 
c476de6150f39afdf142c6f4420c59ba2f1aa2fe, Newlib 2.4.0.20160527) (GCC)
COLLECT_GCC_OPTIONS='-E' '-v' '-mcpu=v7'
  /opt/rtems-4.12/libexec/gcc/sparc-rtems4.12/6.1.1/cc1 -E -quiet -v - 
-mcpu=v7
ignoring nonexistent directory 
"/opt/rtems-4.12/lib/gcc/sparc-rtems4.12/6.1.1/../../../../sparc-rtems4.12/sys-include"
#include "..." search starts here:
#include <...> search starts here:
  /opt/rtems-4.12/lib/gcc/sparc-rtems4.12/6.1.1/include
  /opt/rtems-4.12/lib/gcc/sparc-rtems4.12/6.1.1/include-fixed
  /opt/rtems-4.12/lib/gcc/sparc-rtems4.12/6.1.1/../../../../sparc-rtems4.12/include
End of search list.
# 1 "<stdin>"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "<stdin>"
COMPILER_PATH=/opt/rtems-4.12/libexec/gcc/sparc-rtems4.12/6.1.1/:/opt/rtems-4.12/libexec/gcc/sparc-rtems4.12/6.1.1/:/opt/rtems-4.12/libexec/gcc/sparc-rtems4.12/:/opt/rtems-4.12/lib/gcc/sparc-rtems4.12/6.1.1/:/opt/rtems-4.12/lib/gcc/sparc-rtems4.12/:/opt/rtems-4.12/lib/gcc/sparc-rtems4.12/6.1.1/../../../../sparc-rtems4.12/bin/
LIBRARY_PATH=/opt/rtems-4.12/lib/gcc/sparc-rtems4.12/6.1.1/:/opt/rtems-4.12/lib/gcc/sparc-rtems4.12/6.1.1/../../../../sparc-rtems4.12/lib/
COLLECT_GCC_OPTIONS='-E' '-v' '-mcpu=v7'

Thanks,

John Harwell
Southwest Research Institute