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-rw-r--r--guix/build/gremlin.scm36
1 files changed, 31 insertions, 5 deletions
diff --git a/guix/build/gremlin.scm b/guix/build/gremlin.scm
index 30b06034dd..fed529b193 100644
--- a/guix/build/gremlin.scm
+++ b/guix/build/gremlin.scm
@@ -39,6 +39,7 @@
elf-dynamic-info-needed
elf-dynamic-info-rpath
elf-dynamic-info-runpath
+ expand-origin
validate-needed-in-runpath))
@@ -236,6 +237,30 @@ value of DT_NEEDED entries is a string.)"
(string-prefix? libc-lib lib))
%libc-libraries))
+(define (expand-variable str variable value)
+ "Replace occurrences of '$VARIABLE' or '${VARIABLE}' in STR with VALUE."
+ (define variables
+ (list (string-append "$" variable)
+ (string-append "${" variable "}")))
+
+ (let loop ((thing variables)
+ (str str))
+ (match thing
+ (()
+ str)
+ ((head tail ...)
+ (let ((index (string-contains str head))
+ (len (string-length head)))
+ (loop (if index variables tail)
+ (if index
+ (string-replace str value
+ index (+ index len))
+ str)))))))
+
+(define (expand-origin str directory)
+ "Replace occurrences of '$ORIGIN' in STR with DIRECTORY."
+ (expand-variable str "ORIGIN" directory))
+
(define* (validate-needed-in-runpath file
#:key (always-found? libc-library?))
"Return #t if all the libraries listed as FILE's 'DT_NEEDED' entries are
@@ -254,17 +279,18 @@ exceeds total size~%"
(let* ((elf (call-with-input-file file
(compose parse-elf get-bytevector-all)))
+ (expand (cute expand-origin <> (dirname file)))
(dyninfo (elf-dynamic-info elf)))
(when dyninfo
- (let* ((runpath (filter store-file-name?
- (elf-dynamic-info-runpath dyninfo)))
- (bogus (remove store-file-name?
- (elf-dynamic-info-runpath dyninfo)))
+ ;; XXX: In theory we should also expand $PLATFORM and $LIB, but these
+ ;; appear to be really unused.
+ (let* ((expanded (map expand (elf-dynamic-info-runpath dyninfo)))
+ (runpath (filter store-file-name? expanded))
+ (bogus (remove store-file-name? expanded))
(needed (remove always-found?
(elf-dynamic-info-needed dyninfo)))
(not-found (remove (cut search-path runpath <>)
needed)))
- ;; XXX: $ORIGIN is not supported.
(unless (null? bogus)
(format (current-error-port)
"~a: warning: RUNPATH contains bogus entries: ~s~%"