gnu: boost: Update to 1.76.0.

* gnu/packages/patches/boost-fix-transitive-linking.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): Adjust accordingly.
* gnu/packages/boost.scm (boost): Update to 1.76.0.
[source](patches): Remove.

gnu/local.mk

@@ -879,7 +879,6 @@ dist_patch_DATA =						\
   %D%/packages/patches/blender-2.79-oiio2.patch			\
   %D%/packages/patches/blender-2.79-python-3.7-fix.patch	\
   %D%/packages/patches/blender-2.79-python-3.8-fix.patch	\
-  %D%/packages/patches/boost-fix-transitive-linking.patch	\
   %D%/packages/patches/bpftrace-disable-bfd-disasm.patch	\
   %D%/packages/patches/byobu-writable-status.patch		\
   %D%/packages/patches/cairo-CVE-2018-19876.patch		\

gnu/packages/boost.scm

@@ -66,17 +66,15 @@ (define (boost-patch name version hash)
 (define-public boost
   (package
     (name "boost")
-    (version "1.75.0")
+    (version "1.76.0")
     (source (origin
               (method url-fetch)
               (uri (string-append "https://boostorg.jfrog.io/artifactory/main/release/"
                                   version "/source/boost_"
                                   (version-with-underscores version) ".tar.bz2"))
-              ; Should be included in next Boost update
-              (patches (search-patches "boost-fix-transitive-linking.patch"))
               (sha256
                (base32
-                "1js9zpij58l60kx46s3lxdp5207igppjnhqigwhbpdvd04gb6gcm"))))
+                "0hcc661savk32hx65997p0ss1awj6ala4cmz4w7lbi42x6k7nfgh"))))
     (build-system gnu-build-system)
     (inputs `(("icu4c" ,icu4c)
               ("zlib" ,zlib)))

gnu/packages/patches/boost-fix-transitive-linking.patch

@@ -1,16 +0,0 @@
-Patch from https://github.com/boostorg/boost_install/issues/47
-which should be included in the Boost 1.76 release.
-
-This patch prevents CMake from explicitly linking against Boost dependencies
-when building against the shared Boost libraries.
---- a/tools/boost_install/boost-install.jam
-+++ b/tools/boost_install/boost-install.jam
-@@ -483,7 +483,7 @@ rule generate-cmake-variant- ( target : sources * : properties * )
- 
-     .info "  deps3=" $(deps3) ;
- 
--    if $(deps3)
-+    if $(deps3) && $(link) = static
-     {
-         print.text
-