daemon: Bump to C++20 and use ‘std::format’ instead of ‘boost::format’.

* nix/boost: This directory and all files inside it are removed.
* nix/libstore/build.cc (Goal::trace): Use ‘std::string’ instead of ‘const format &’.
(DerivationGoal::startBuilder, ...): Use ‘std::format’ or ‘std::vformat’ instead of ‘boost::format’.
* nix/libstore/builtins.cc (builtinDownload): Same.
* nix/libstore/derivations.cc (DerivationOutput::parseHashInfo, ...): Same.
* nix/libstore/gc.cc (LocalStore::openGCLock, ...): Same.
* nix/libstore/globals.cc (Settings::_get): Same.
* nix/libstore/local-store.cc: (checkStoreNotSymlink, ...): Same.
* nix/libstore/misc.cc (dfsVisit, showBytes): Same
* nix/libstore/optimise-store.cc (makeWritable, ...): Same.
* nix/libstore/pathlocks.cc (openLockFile, ...): Same.
* nix/libstore/references.cc (search, scanForReferences): Same.
* nix/libstore/sqlite.hh (throwSQLiteError): Use ‘std::string’ instead of ‘const format &’.
* nix/libstore/sqlite.cc (throwSQLiteError): Use ‘std::string’ instead of ‘const format &’.
* nix/libstore/store-api.cc (assertStorePath, ...): Use ‘std::format’ instead of ‘boost::format’.
* nix/libutil/affinity.cc (setAffinityTo): Same.
* nix/libutil/archive.cc (dumpContents, ...): Same.
* nix/libutil/hash.cc (parseHash, parseHash32, parseHash16or32, hashFile): Same.
* nix/libutil/hash.hh (parseHash, parseHash32, parseHash16or32, isHash): Same.
* nix/libutil/serialise.cc : Add ‘<cassert>’ header file.
* nix/libutil/spawn.cc (addPhaseAfter, ...): Use ‘std::format’ instead of ‘boost::format’.
* nix/libutil/types.hh (FormatOrString): Removed.
(BaseError, BaseError::addPrefix, SysError, MakeError):
Use ‘std::string or std::string_view’ instead of ‘FormatOrString’.
* nix/libutil/util.hh (Nest::open, printMsg_, warnOnce, expect): Same.
* nix/libutil/util.cc (BaseError::BaseError, ...): Same.
(writeToStderr, _interrupted): Use std::uncaught_exceptions() instead of std::uncaught_exception()
* nix/nix-daemon/nix-daemon.cc (performOp, ...): Same.
* nix/nix-daemon/guix-daemon.cc (string_to_bool, ...): Same.
* nix/local.mk: Remove ‘libformat.a’ from ‘noinst_LIBRARIES’,
remove ‘libformat_a_SOURCES’ and ‘libformat_headers’,
remove ‘libformat_a_CPPFLAGS’ from ‘libutil_a_CPPFLAGS’ and ‘guix_daemon_LDADD’,
update ‘AM_CXXFLAGS’ to ‘-std=c++20’.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

1 files changed, 6 insertions, 28 deletions

diff --git a/nix/local.mk b/nix/local.mk
index 7c1b81e9a65..819131b5d44 100644
--- a/nix/local.mk
+++ b/nix/local.mk
@@ -25,31 +25,10 @@
 BUILT_SOURCES += %D%/libstore/schema.sql.hh
 CLEANFILES += %D%/libstore/schema.sql.hh
 
-noinst_LIBRARIES = libformat.a libutil.a libstore.a
-
-# Use '-std=c++11' for 'std::shared_ptr', 'auto', lambdas, and more.
-AM_CXXFLAGS = -Wall -std=c++11
-
-libformat_a_SOURCES =                           \
-  %D%/boost/format/free_funcs.cc                \
-  %D%/boost/format/parsing.cc                   \
-  %D%/boost/format/format_implementation.cc
-
-libformat_headers =                             \
-  %D%/boost/throw_exception.hpp                 \
-  %D%/boost/format.hpp                          \
-  %D%/boost/assert.hpp                          \
-  %D%/boost/format/macros_default.hpp           \
-  %D%/boost/format/format_fwd.hpp               \
-  %D%/boost/format/format_class.hpp             \
-  %D%/boost/format/exceptions.hpp               \
-  %D%/boost/format/group.hpp                    \
-  %D%/boost/format/feed_args.hpp                \
-  %D%/boost/format/internals_fwd.hpp            \
-  %D%/boost/format/internals.hpp
-
-libformat_a_CPPFLAGS =                          \
-  -I$(top_srcdir)/nix
+noinst_LIBRARIES = libutil.a libstore.a
+
+# Use '-std=c++20' for 'std::shared_ptr', 'auto', lambdas, and more.
+AM_CXXFLAGS = -Wall -std=c++20
 
 libutil_a_SOURCES =                             \
   %D%/libutil/archive.cc                        \
@@ -73,7 +52,6 @@ libutil_headers =				\
 libutil_a_CPPFLAGS =                            \
   -I$(top_builddir)/nix                         \
   -I$(top_srcdir)/%D%/libutil                   \
-  $(libformat_a_CPPFLAGS)                       \
   $(LIBGCRYPT_CPPFLAGS)
 
 libstore_a_SOURCES =                            \
@@ -131,7 +109,7 @@ guix_daemon_LDFLAGS = 				\
   $(LIBGCRYPT_LDFLAGS)
 
 guix_daemon_LDADD =                             \
-  libstore.a libutil.a libformat.a -lz          \
+  libstore.a libutil.a -lz              \
   $(SQLITE3_LIBS) $(LIBGCRYPT_LIBS)
 
 guix_daemon_headers =                           \
@@ -144,7 +122,7 @@ guix_daemon_LDADD += -lbz2
 endif HAVE_LIBBZ2
 
 noinst_HEADERS =                                                \
-  $(libformat_headers) $(libutil_headers) $(libstore_headers)   \
+  $(libutil_headers) $(libstore_headers)        \
   $(guix_daemon_headers)
 
 %D%/libstore/schema.sql.hh: guix/store/schema.sql