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Newsgroups: comp.lang.ada
Date: Wed, 17 Jun 2015 11:12:53 -0700 (PDT)
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Subject: Emacs Ada mode with RTS
From: Patrick Noffke <patrick.noffke@gmail.com>
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Xref: news.eternal-september.org comp.lang.ada:26363
Date: 2015-06-17T11:12:53-07:00
List-Id: <comp.lang.ada>

I'm trying to use Emacs Ada mode with a .gpr project file that works with G=
PS and uses a Ravenscar runtime.  When I compile with GPS or from my own Ma=
kefile, I have no problems, but when I compile a file from Emacs using Ada =
mode's Compile file command, I get an error:

s-osinte.ads:591:07: size for "Address" too small, minimum allowed is 64

This is when it's compiling the "main" file.

It appears that from Ada mode, the system adainclude directory is getting u=
sed.  I wrote the .adp project file by hand, using Simon's suggestion from =
here:
http://sourceforge.net/p/stm32f4-gnat-rts/discussion/general/thread/0ccef57=
0/

But when I edit the project file with the Ada mode GUI (using Ada mode's Pr=
oject -> Edit command), it shows /usr/lib/gcc/x86_64-redhat-linux/4.9.2/ada=
include listed under Source directories.  /usr/lib/gcc/x86_64-redhat-linux/=
4.9.2/adalib is also listed under Object directories.  These directories do=
 not exist in my .adp file.

gprbuild (and the resulting call to gcc) appear to be called as I expect fr=
om within Ada mode, but something must be set up as an environment variable=
 that I'm not seeing in the compilation output window.

Here are some variables from my .adp file:

toolchain_dir=3D/home/pnoffke/projects/proj1/output/toolchain/gnat/bin
ada_compiler=3D${toolchain_dir}/arm-eabi-gnat
gpr_file=3D/home/pnoffke/projects/proj1/proj1.gpr
config_file=3D/home/pnoffke/projects/proj1/obj/proj1.cgpr
check_cmd=3D${toolchain_dir}/gprbuild -u -c -gnatc -p -P${gpr_file} --targe=
t=3Darm-eabi --config=3D${config_file} ${full_current}
make_cmd=3DPATH=3D${toolchain_dir}:$PATH ${toolchain_dir}/gprbuild -p --tar=
get=3Darm-eabi -P${gpr_file} --config=3D${config_file}
comp_cmd=3D${toolchain_dir}/gprbuild -u -c -gnatc -p -P${gpr_file} --target=
=3Darm-eabi --config=3D${config_file} ${full_current}

The .cgpr file was created using gprconfig (I found this was how GPS works =
for an RTS project).

Is there a way to have Ada mode not bring in the system directories?

Thanks,
Patrick