Prepending '+' to the recipe line when linking with GCC's -flto=jobserver

Hi all: I am developing firmware similar to this one: https://github.com/rdiez/JtagDue First, I am building a GCC 8.3.0 cross-compiler toolchain for ARM Cortex-M4F on Ubuntu 18.04.4 LTS, and I am then using it to build some embedded software with a cross-compiling Autoconf project. GCC

bug#39666: distcheck for VPATH build: #line directives of generated YACC and LEX c-files in tarballs

$ automake --version automake (GNU automake) 1.16.1 For c-files generated by LEX and YACC in the build process the script ylwrap takes care, among other things, that the relative file paths in #line directives are correct. The generated files are part of distribution tarballs, where they sit