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-rw-r--r--gnu/packages/bootstrap.scm8
1 files changed, 8 insertions, 0 deletions
diff --git a/gnu/packages/bootstrap.scm b/gnu/packages/bootstrap.scm
index 3be6e1246c..251d1fec7b 100644
--- a/gnu/packages/bootstrap.scm
+++ b/gnu/packages/bootstrap.scm
@@ -28,6 +28,7 @@
#:use-module ((guix store) #:select (add-to-store add-text-to-store))
#:use-module ((guix derivations) #:select (derivation))
#:use-module ((guix utils) #:select (gnu-triplet->nix-system))
+ #:use-module ((guix build utils) #:select (elf-file?))
#:use-module (guix memoization)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-26)
@@ -325,6 +326,13 @@ $out/bin/guile --version~%"
(chmod "bin" #o755)
(patch-shebang "bin/egrep" path)
(patch-shebang "bin/fgrep" path)
+ ;; Starting with grep@2.25 'egrep' and 'fgrep' are shell files
+ ;; that call 'grep'. If the bootstrap 'egrep' and 'fgrep'
+ ;; are not binaries then patch them to execute 'grep' via its
+ ;; absolute file name instead of searching for it in $PATH.
+ (if (not (elf-file? "bin/egrep"))
+ (substitute* '("bin/egrep" "bin/fgrep")
+ (("^exec grep") (string-append (getcwd) "/bin/grep"))))
(chmod "bin" #o555)
#t)))