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| author | Pavel Modilaynen <pavel.modilaynen@axis.com> | 2019-07-12 13:52:19 +0200 |
|---|---|---|
| committer | Rob Herring <robh@kernel.org> | 2019-11-04 18:21:07 +0100 |
| commit | 067c650c456e758f933aaf87a202f841d34be269 (patch) | |
| tree | 276b47912c6e78fe14df3b50a2267260b6b9f8be /scripts/dtc/Makefile | |
| parent | scripts/dtc: dtx_diff - add color output support (diff) | |
| download | linux-067c650c456e758f933aaf87a202f841d34be269.tar.xz linux-067c650c456e758f933aaf87a202f841d34be269.zip | |
dtc: Use pkg-config to locate libyaml
Using Makefile's wildcard with absolute path to detect
the presence of libyaml results in false-positive
detection when cross-compiling e.g. in yocto environment.
The latter results in build error:
| scripts/dtc/yamltree.o: In function `yaml_propval_int':
| yamltree.c: undefined reference to `yaml_sequence_start_event_initialize'
| yamltree.c: undefined reference to `yaml_emitter_emit'
| yamltree.c: undefined reference to `yaml_scalar_event_initialize'
...
Use pkg-config to locate libyaml to address this scenario.
Signed-off-by: Pavel Modilaynen <pavel.modilaynen@axis.com>
[robh: silence stderr]
Signed-off-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'scripts/dtc/Makefile')
| -rw-r--r-- | scripts/dtc/Makefile | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/scripts/dtc/Makefile b/scripts/dtc/Makefile index 82160808765c..b5a5b1c548c9 100644 --- a/scripts/dtc/Makefile +++ b/scripts/dtc/Makefile @@ -11,7 +11,7 @@ dtc-objs += dtc-lexer.lex.o dtc-parser.tab.o # Source files need to get at the userspace version of libfdt_env.h to compile HOST_EXTRACFLAGS := -I $(srctree)/$(src)/libfdt -ifeq ($(wildcard /usr/include/yaml.h),) +ifeq ($(shell pkg-config --exists yaml-0.1 2>/dev/null && echo yes),) ifneq ($(CHECK_DTBS),) $(error dtc needs libyaml for DT schema validation support. \ Install the necessary libyaml development package.) @@ -19,7 +19,7 @@ endif HOST_EXTRACFLAGS += -DNO_YAML else dtc-objs += yamltree.o -HOSTLDLIBS_dtc := -lyaml +HOSTLDLIBS_dtc := $(shell pkg-config yaml-0.1 --libs) endif # Generated files need one more search path to include headers in source tree |