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Make libcpuid dependency optional with --disable-cpuid

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This commit is contained in:
Alexander Sosedkin 2021-11-28 00:48:04 +01:00
parent b73a1c0638
commit a9bd06d0ea
3 changed files with 16 additions and 4 deletions
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11
configure.ac
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@ -195,10 +195,17 @@ PKG_CHECK_MODULES([SODIUM], [libsodium], [CXXFLAGS="$SODIUM_CFLAGS $CXXFLAGS"])
PKG_CHECK_MODULES([LIBBROTLI], [libbrotlienc libbrotlidec], [CXXFLAGS="$LIBBROTLI_CFLAGS $CXXFLAGS"]) PKG_CHECK_MODULES([LIBBROTLI], [libbrotlienc libbrotlidec], [CXXFLAGS="$LIBBROTLI_CFLAGS $CXXFLAGS"])
# Look for libcpuid. # Look for libcpuid.
have_libcpuid=
if test "$machine_name" = "x86_64"; then if test "$machine_name" = "x86_64"; then
PKG_CHECK_MODULES([LIBCPUID], [libcpuid], [CXXFLAGS="$LIBCPUID_CFLAGS $CXXFLAGS"]) AC_ARG_ENABLE([cpuid],
AS_HELP_STRING([--disable-cpuid], [Do not determine microarchitecture levels with libcpuid (relevant to x86_64 only)]))
if test "x$enable_cpuid" != "xno"; then
PKG_CHECK_MODULES([LIBCPUID], [libcpuid],
[CXXFLAGS="$LIBCPUID_CFLAGS $CXXFLAGS"
have_libcpuid=1 have_libcpuid=1
AC_DEFINE([HAVE_LIBCPUID], [1], [Use libcpuid]) AC_DEFINE([HAVE_LIBCPUID], [1], [Use libcpuid])]
)
fi
fi fi
AC_SUBST(HAVE_LIBCPUID, [$have_libcpuid]) AC_SUBST(HAVE_LIBCPUID, [$have_libcpuid])

2
doc/manual/src/installation/prerequisites-source.md
View file

@ -64,3 +64,5 @@
(e.g., as whether to have `x86_64-v2-linux` among additional system types). (e.g., as whether to have `x86_64-v2-linux` among additional system types).
The library is available from its homepage The library is available from its homepage
<http://libcpuid.sourceforge.net>. <http://libcpuid.sourceforge.net>.
This is an optional dependency and can be disabled
by providing a `--disable-cpuid` to the `configure` script.

5
tests/local.mk
View file

@ -48,7 +48,6 @@ nix_tests = \
flakes.sh \ flakes.sh \
flake-local-settings.sh \ flake-local-settings.sh \
build.sh \ build.sh \
compute-levels.sh \
repl.sh ca/repl.sh \ repl.sh ca/repl.sh \
ca/build.sh \ ca/build.sh \
ca/build-with-garbage-path.sh \ ca/build-with-garbage-path.sh \
@ -63,6 +62,10 @@ nix_tests = \
eval-store.sh eval-store.sh
# parallel.sh # parallel.sh
ifeq ($(HAVE_LIBCPUID), 1)
nix_tests += compute-levels.sh
endif
install-tests += $(foreach x, $(nix_tests), tests/$(x)) install-tests += $(foreach x, $(nix_tests), tests/$(x))
tests-environment = NIX_REMOTE= $(bash) -e tests-environment = NIX_REMOTE= $(bash) -e