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[Ada] fix handling of -o switch

From: Arnaud Charlet <charlet at adacore dot com>
To: gcc-patches at gcc dot gnu dot org
Cc: Vincent Celier <celier at adacore dot com>
Date: Thu, 14 Jun 2007 11:24:49 +0200
Subject: [Ada] fix handling of -o switch

Tested on i686-linux, committed on trunk

When specifying an object file to the compiler using switch -o, it was
possible to specify a base name different from the base name of the
source being compiled. This patch ensures that the base name of the
specified object file is the same as the base name of the source being
compiled.
The test for this is to attempt to compile a source titi.ads with:

   gcc -c -o ouistiti.o titi.ads

The compilation should fail with

   gnat1: incorrect object file name

2007-06-06  Vincent Celier  <celier@adacore.com>

	* osinte-c.ads, osint-c.adb (Set_Library_Info_Name): Fail if base name
	of specified object file is not equal to base name of source.

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