Documentation/kbuild/gcc-plugins.rst

14 The GCC plugin infrastructure of the kernel supports building out-of-tree
15 modules, cross-compilation and building in a separate directory.
24 --
27 .. [2] https://gcc.gnu.org/onlinedocs/gccint/Plugin-API.html#Plugin-API
48 bring the feature to upstream GCC (rather than just as a kernel-specific
57 kernel-supported versions of GCC provide the feature, the plugin will
64 **$(src)/scripts/gcc-plugins**
68 **$(src)/scripts/gcc-plugins/gcc-common.h**
73 **$(src)/scripts/gcc-plugins/gcc-generate-gimple-pass.h,
74 $(src)/scripts/gcc-plugins/gcc-generate-ipa-pass.h,
75 $(src)/scripts/gcc-plugins/gcc-generate-simple_ipa-pass.h,
76 $(src)/scripts/gcc-plugins/gcc-generate-rtl-pass.h**
87 e.g., on Ubuntu for gcc-10::
89 	apt-get install gcc-10-plugin-dev
93 	dnf install gcc-plugin-devel libmpc-devel
95 Or on Fedora when using cross-compilers that include plugins::
97 	dnf install libmpc-devel
106 Run gcc (native or cross-compiler) to ensure plugin headers are detected::
108 	gcc -print-file-name=plugin
109 	CROSS_COMPILE=arm-linux-gnu- ${CROSS_COMPILE}gcc -print-file-name=plugin
117        /usr/lib/gcc/x86_64-redhat-linux/12/plugin
130 The GCC plugins are in scripts/gcc-plugins/. You need to put plugin source files
131 right under scripts/gcc-plugins/. Creating subdirectories is not supported.
132 It must be added to scripts/gcc-plugins/Makefile, scripts/Makefile.gcc-plugins