diff options
Diffstat (limited to 'gnu/build/cross-toolchain.scm')
| -rw-r--r-- | gnu/build/cross-toolchain.scm | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/gnu/build/cross-toolchain.scm b/gnu/build/cross-toolchain.scm index d430b8afc4..0b5450d1b4 100644 --- a/gnu/build/cross-toolchain.scm +++ b/gnu/build/cross-toolchain.scm @@ -3,6 +3,7 @@ ;;; Copyright © 2014, 2015, 2018 Mark H Weaver <mhw@netris.org> ;;; Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org> ;;; Copyright © 2016 Manolis Fragkiskos Ragkousis <manolis837@gmail.com> +;;; Copyright © 2019 Marius Bakke <mbakke@fastmail.com> ;;; ;;; This file is part of GNU Guix. ;;; @@ -36,11 +37,8 @@ (define %gcc-include-paths ;; Environment variables for header search paths. - ;; Note: See <http://bugs.gnu.org/22186> for why not 'CPATH'. - '("C_INCLUDE_PATH" - "CPLUS_INCLUDE_PATH" - "OBJC_INCLUDE_PATH" - "OBJCPLUS_INCLUDE_PATH")) + ;; Note: See <http://bugs.gnu.org/30756> for why not 'C_INCLUDE_PATH' & co. + '("CPATH")) (define %gcc-cross-include-paths ;; Search path for target headers when cross-compiling. @@ -171,6 +169,16 @@ a target triplet." (if (string-contains target "mingw") set-cross-path/mingw set-cross-path)) + (add-before 'configure 'treat-glibc-as-system-header + (lambda* (#:key inputs #:allow-other-keys) + (let ((libc (assoc-ref inputs "libc"))) + (when libc + ;; For GCC6 and later, make sure Glibc is treated as a "system + ;; header" such that #include_next does the right thing. + (for-each (lambda (var) + (setenv var (string-append libc "/include"))) + '("CROSS_C_INCLUDE_PATH" "CROSS_CPLUS_INCLUDE_PATH"))) + #t))) (add-after 'install 'make-cross-binutils-visible (cut make-cross-binutils-visible #:target target <...>)) (replace 'install install-strip))) |