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[cdt-dev] Programmatically set cross GCC option
  • From: Clément Hurlin <clement.hurlin@xxxxxxxxxxxxx>
  • Date: Fri, 14 Jun 2019 18:05:00 +0200
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Dear CDT developers,

  At my company we intend to ship pre-configured instances of the CDT to
our clients; for use with a microkernel we develop. For that I'm writing
an headless Eclipse application that generates .project and .cproject
files programmatically. So far I found my way but I'm being stuck
setting the "Path" and "Prefix" variables of the cross toolchain, i.e.
these ones:

<option id="cdt.managedbuild.option.gnu.cross.prefix.1091436161"
name="prefix" superclass="cdt.managedbuild.option.gnu.cross.prefix"
value="arm-eabi-" valuetype="string"/>
<option id="cdt.managedbuild.option.gnu.cross.path.474383547"
name="path" superclass="cdt.managedbuild.option.gnu.cross.path"
value="/home/churlin/programmes/gcc-linaro-7.4.1-2019.02-i686_arm-eabi/bin/"
valuetype="string"/>

I've tried the following (like
org.eclipse.cdt.internal.build.crossgcc.SetCrossCommandOperation):

final IManagedBuildInfo buildInfo =
ManagedBuildManager.getBuildInfo(project);

IConfiguration[] configs =
buildInfo.getManagedProject().getConfigurations();

for (IConfiguration config : configs) {
  /* this.toolchain is the cdt.managedbuild.toolchain.gnu.cross.base
toolchain */
  IOption option =
toolchain.getOptionBySuperClassId("cdt.managedbuild.option.gnu.cross.prefix");
ManagedBuildManager.setOption(config, toolchain, option, "arm-eabi-");

  option =
toolchain.getOptionBySuperClassId("cdt.managedbuild.option.gnu.cross.path");
ManagedBuildManager.setOption(config, toolchain, option,
"/home/churlin/programmes/gcc-linaro-7.4.1-2019.02-i686_arm-eabi/bin");
}
	
ManagedBuildManager.saveBuildInfo(project, true)

But to no avail :-( Does someone has a hint as to what I'm doing wrong ?

My headless application is terminating with "Workspace was not properly
initialized or has already shutdown", which I wonder if it could be
related to some Job (writing the .cproject ?) is still running; but I'm
unsure.

Thanks for your help,
Clément

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