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Hello,Currently, GCC outputs ".s" assembly files when running on C/C++ header files with -fdump-ada-spec. This is unexpected, since -fdump-ada-spec is used only to output an Ada binding.
This patch fixes the spec-strings for C/C++ header files in order to pass a "-o %g.s" flag to cc1/cc1plus, so that output assembly files are cleaned at exit. It also fixes the processing of the -fsyntax-only flag for C header file so that the "-o ..." argument is passed only once, as the spec-string for C++ header files does.
I could bootstrap the patch and it triggered no regression on x86_64-linux. I've written a simple test that checks that no assembly file/object file is produced when compiling C/C++ header files with -fdump-ada-spec. In order to do this, I had to create a new *.exp file so that the testsuite processes my C header files (the regular dg.exp file skips *.h files).
I also noticed that using -S and -o options at the same time currently doesn't work on header files (even without -fdump-ada-spec): cc1 is spawned with two "-o" arguments. That's why in the dump-ada-spec-2.h file I've specified "dg-do assemble" instead of "dg-do compile".
Many thanks in advance for your comments! 2014-06-02 Eric Botcazou <botcazou@adacore.com> Pierre-Marie de Rodat <derodat@adacore.com> gcc/ * gcc.dg/dump-ada-spec/dump-ada-spec.exp: New. * gcc.dg/dump-ada-spec-1.c: Move to dump-ada-spec. * gcc.dg/dump-ada-spec/dump-ada-spec-2.h: New. * g++.dg/dump-ada-spec: New. gcc/testsuite/ * lib/gcc-dg.exp (file-exists, file-exists-not): New. * gcc.c (default_compilers): Prevent creation of .s files with -fdump-ada-spec and -fdump-xref. * cp/lang-specs.h: Likewise. -- Pierre-Marie de Rodat
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