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authorDaniel Díaz <daniel.diaz@linaro.org>2020-08-12 17:15:17 -0500
committerArnaldo Carvalho de Melo <acme@redhat.com>2020-08-13 10:00:19 -0300
commitfa5c893181ed2ca2f96552f50073786d2cfce6c0 (patch)
tree743b11cb4587927fae70fc42a5b4c74c9d3232f4 /tools/build/Makefile.feature
parentb2fe96a350deb93d080ee7136b1e9fcf6cda83e2 (diff)
tools build feature: Quote CC and CXX for their arguments
When using a cross-compilation environment, such as OpenEmbedded, the CC an CXX variables are set to something more than just a command: there are arguments (such as --sysroot) that need to be passed on to the compiler so that the right set of headers and libraries are used. For the particular case that our systems detected, CC is set to the following: export CC="aarch64-linaro-linux-gcc --sysroot=/oe/build/tmp/work/machine/perf/1.0-r9/recipe-sysroot" Without quotes, detection is as follows: Auto-detecting system features: ... dwarf: [ OFF ] ... dwarf_getlocations: [ OFF ] ... glibc: [ OFF ] ... gtk2: [ OFF ] ... libbfd: [ OFF ] ... libcap: [ OFF ] ... libelf: [ OFF ] ... libnuma: [ OFF ] ... numa_num_possible_cpus: [ OFF ] ... libperl: [ OFF ] ... libpython: [ OFF ] ... libcrypto: [ OFF ] ... libunwind: [ OFF ] ... libdw-dwarf-unwind: [ OFF ] ... zlib: [ OFF ] ... lzma: [ OFF ] ... get_cpuid: [ OFF ] ... bpf: [ OFF ] ... libaio: [ OFF ] ... libzstd: [ OFF ] ... disassembler-four-args: [ OFF ] Makefile.config:414: *** No gnu/libc-version.h found, please install glibc-dev[el]. Stop. Makefile.perf:230: recipe for target 'sub-make' failed make[1]: *** [sub-make] Error 2 Makefile:69: recipe for target 'all' failed make: *** [all] Error 2 With CC and CXX quoted, some of those features are now detected. Fixes: e3232c2f39ac ("tools build feature: Use CC and CXX from parent") Signed-off-by: Daniel Díaz <daniel.diaz@linaro.org> Reviewed-by: Thomas Hebb <tommyhebb@gmail.com> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Andrii Nakryiko <andriin@fb.com> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Fastabend <john.fastabend@gmail.com> Cc: KP Singh <kpsingh@chromium.org> Cc: Martin KaFai Lau <kafai@fb.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Song Liu <songliubraving@fb.com> Cc: Stephane Eranian <eranian@google.com> Cc: Yonghong Song <yhs@fb.com> Link: http://lore.kernel.org/lkml/20200812221518.2869003-1-daniel.diaz@linaro.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/build/Makefile.feature')
-rw-r--r--tools/build/Makefile.feature2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature
index 774f0b0ca28a..e7818b44b48e 100644
--- a/tools/build/Makefile.feature
+++ b/tools/build/Makefile.feature
@@ -8,7 +8,7 @@ endif
feature_check = $(eval $(feature_check_code))
define feature_check_code
- feature-$(1) := $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CC=$(CC) CXX=$(CXX) CFLAGS="$(EXTRA_CFLAGS) $(FEATURE_CHECK_CFLAGS-$(1))" CXXFLAGS="$(EXTRA_CXXFLAGS) $(FEATURE_CHECK_CXXFLAGS-$(1))" LDFLAGS="$(LDFLAGS) $(FEATURE_CHECK_LDFLAGS-$(1))" -C $(feature_dir) $(OUTPUT_FEATURES)test-$1.bin >/dev/null 2>/dev/null && echo 1 || echo 0)
+ feature-$(1) := $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CC="$(CC)" CXX="$(CXX)" CFLAGS="$(EXTRA_CFLAGS) $(FEATURE_CHECK_CFLAGS-$(1))" CXXFLAGS="$(EXTRA_CXXFLAGS) $(FEATURE_CHECK_CXXFLAGS-$(1))" LDFLAGS="$(LDFLAGS) $(FEATURE_CHECK_LDFLAGS-$(1))" -C $(feature_dir) $(OUTPUT_FEATURES)test-$1.bin >/dev/null 2>/dev/null && echo 1 || echo 0)
endef
feature_set = $(eval $(feature_set_code))