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| author | John Kacur <jkacur@redhat.com> | 2015-10-05 19:52:47 +0200 |
|---|---|---|
| committer | John Kacur <jkacur@redhat.com> | 2015-10-06 11:27:03 +0200 |
| commit | 7faa666c373ff91657849554bba1c3450cd21932 (patch) | |
| tree | 6768422f43c49752370226584b661aa87e3d01a6 | |
| parent | 675f5512022b6ce1427f11e664e2e45e37048f68 (diff) | |
| download | rt-tests-7faa666c373ff91657849554bba1c3450cd21932.tar.gz | |
Makefile: Document certain compiling options
- Document compiling with and without NUMA, explaining the defaults
- Document compiling with HAVE_PARSE_CPUSTRING_ALL
Reorganize these options a little for readability
Signed-off-by: John Kacur <jkacur@redhat.com>
| -rw-r--r-- | Makefile | 31 |
1 files changed, 21 insertions, 10 deletions
@@ -24,20 +24,10 @@ bindir ?= $(prefix)/bin mandir ?= $(prefix)/share/man srcdir ?= $(prefix)/src -machinetype = $(shell $(CC) -dumpmachine | \ - sed -e 's/-.*//' -e 's/i.86/i386/' -e 's/mips.*/mips/' -e 's/ppc.*/powerpc/') - CFLAGS ?= -Wall -Wno-nonnull CPPFLAGS += -D_GNU_SOURCE -Isrc/include LDFLAGS ?= -ifneq ($(filter x86_64 i386 ia64 mips powerpc,$(machinetype)),) -NUMA := 1 -ifdef HAVE_PARSE_CPUSTRING_ALL - CFLAGS += -DHAVE_PARSE_CPUSTRING_ALL -endif -endif - PYLIB ?= $(shell python -c 'import distutils.sysconfig; print distutils.sysconfig.get_python_lib()') ifndef DEBUG @@ -46,9 +36,30 @@ else CFLAGS += -O0 -g endif +# We make some gueses on how to compile rt-tests based on the machine type +# These can often be overridden +machinetype = $(shell $(CC) -dumpmachine | \ + sed -e 's/-.*//' -e 's/i.86/i386/' -e 's/mips.*/mips/' -e 's/ppc.*/powerpc/') + +# The default is to assume you have libnuma installed, which is fine to do +# even on non-numa machines. If you don't want to install the numa libs, for +# example, they might not be available in an embedded environment, then +# compile with +# make NUMA=0 +ifneq ($(filter x86_64 i386 ia64 mips powerpc,$(machinetype)),) +NUMA := 1 +endif + +# The default is to assume that you only have numa_parse_cpustring +# If you are sure you have a version of libnuma with numa_parse_cpustring_all +# then compile with +# make HAVE_PARSE_CPUSTRING_ALL=1 ifeq ($(NUMA),1) CFLAGS += -DNUMA NUMA_LIBS = -lnuma +ifdef HAVE_PARSE_CPUSTRING_ALL + CFLAGS += -DHAVE_PARSE_CPUSTRING_ALL +endif endif # Bionic (android) does not have: |