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-rw-r--r--configure.ac13
-rw-r--r--doc/manual/src/installation/prerequisites-source.md2
-rw-r--r--tests/local.mk5
3 files changed, 16 insertions, 4 deletions
diff --git a/configure.ac b/configure.ac
index 65478ecc5..4108eb0a8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -195,10 +195,17 @@ PKG_CHECK_MODULES([SODIUM], [libsodium], [CXXFLAGS="$SODIUM_CFLAGS $CXXFLAGS"])
PKG_CHECK_MODULES([LIBBROTLI], [libbrotlienc libbrotlidec], [CXXFLAGS="$LIBBROTLI_CFLAGS $CXXFLAGS"])
# Look for libcpuid.
+have_libcpuid=
if test "$machine_name" = "x86_64"; then
- PKG_CHECK_MODULES([LIBCPUID], [libcpuid], [CXXFLAGS="$LIBCPUID_CFLAGS $CXXFLAGS"])
- have_libcpuid=1
- AC_DEFINE([HAVE_LIBCPUID], [1], [Use libcpuid])
+ AC_ARG_ENABLE([cpuid],
+ AS_HELP_STRING([--disable-cpuid], [Do not determine microarchitecture levels with libcpuid (relevant to x86_64 only)]))
+ if test "x$enable_cpuid" != "xno"; then
+ PKG_CHECK_MODULES([LIBCPUID], [libcpuid],
+ [CXXFLAGS="$LIBCPUID_CFLAGS $CXXFLAGS"
+ have_libcpuid=1
+ AC_DEFINE([HAVE_LIBCPUID], [1], [Use libcpuid])]
+ )
+ fi
fi
AC_SUBST(HAVE_LIBCPUID, [$have_libcpuid])
diff --git a/doc/manual/src/installation/prerequisites-source.md b/doc/manual/src/installation/prerequisites-source.md
index 37e0b5a10..1b03bacd3 100644
--- a/doc/manual/src/installation/prerequisites-source.md
+++ b/doc/manual/src/installation/prerequisites-source.md
@@ -64,3 +64,5 @@
(e.g., as whether to have `x86_64-v2-linux` among additional system types).
The library is available from its homepage
<http://libcpuid.sourceforge.net>.
+ This is an optional dependency and can be disabled
+ by providing a `--disable-cpuid` to the `configure` script.
diff --git a/tests/local.mk b/tests/local.mk
index 6f38853bc..936b72c2a 100644
--- a/tests/local.mk
+++ b/tests/local.mk
@@ -48,7 +48,6 @@ nix_tests = \
flakes.sh \
flake-local-settings.sh \
build.sh \
- compute-levels.sh \
repl.sh ca/repl.sh \
ca/build.sh \
ca/build-with-garbage-path.sh \
@@ -63,6 +62,10 @@ nix_tests = \
eval-store.sh
# parallel.sh
+ifeq ($(HAVE_LIBCPUID), 1)
+ nix_tests += compute-levels.sh
+endif
+
install-tests += $(foreach x, $(nix_tests), tests/$(x))
tests-environment = NIX_REMOTE= $(bash) -e