Hi, This patch adds a new “regenerate.sh” script in libgfortran/, which is the new mechanism to rebuild all source files in the generated/ folder. It removes this from the Makefile (where it was misusing the maintainer mode, which was not intended for that purpose). The new script is standalone, and it should be run by developers whenever they modify a file in the m4/ directory. It will not be triggered by the Makefile, and must be run manually. It does not modify the timestamps or inodes of generated files, if they are not be modified.
The Makefile can later be simplified, but I don’t want to mix all the changes at once, so here’s a first part. If there is agreement, I’ll work on simplifying the Makefile next. Undergoing testing on x86_64-linux, OK to push? FX
0001-libfortran-Add-script-to-regenerate-source-files.patch
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