[PATCH v4] preprocessor: More escapes for Makefile rules (-M option) [PR41329, PR121450]

This patch adds support for more characters that are special to GNU make in file-names. Especially GNU make expects in rules that #, %, :, *, ? and [ characters are preceded by a backslash to remove their special meaning. PR preprocessor/41329 PR preprocessor/121450 libcpp/Change

[PATCH v3] preprocessor: More escapes for Makefile rules (-M option) [PR41329, PR121450]

This patch adds support for more characters that are special to GNU make in file-names. Especially GNU make expects in rules that #, %, :, *, ? and [ characters are preceded by a backslash to remove their special meaning. PR preprocessor/41329 PR preprocessor/121450 libcpp/Change

[PATCH v2] preprocessor: More escapes for Makefile rules (-M option) [PR41329, PR121450]

This patch adds support for more characters that are special to GNU make in file-names. Especially GNU make expects in rules that #, %, :, *, ? and [ characters are preceded by a backslash to remove their special meaning. PR preprocessor/41329 PR preprocessor/121450 libcpp/Change