On 6/16/19 2:46 AM, Jiri Olsa wrote:
> On Fri, Jun 14, 2019 at 11:39:47AM -0700, Florian Fainelli wrote:
>> Hardcoding /usr/include/slang is fundamentally incompatible with cross
>> compilation and will lead to the inability for a cross-compiled
>> environment to properly detect whether slang is available or not.
>>
>> If /usr/include/slang is necessary that is a distribution specific
>> knowledge that could be solved with either a standard pkg-config .pc
>> file (which slang has) or simply overriding CFLAGS accordingly, but the
>> default perf Makefile should be clean of all of that.
>
> fedora 30 is ok with this, I guess acme's distro test will
> tell us about the rest ;-)
If this patch somehow breaks a particular distribution (I could test on
everything), the following might be more acceptable:
diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
index 4b8244ee65ce..eefeaa9aa208 100644
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@ -71,6 +71,7 @@ CC ?= $(CROSS_COMPILE)gcc
CXX ?= $(CROSS_COMPILE)g++
PKG_CONFIG ?= $(CROSS_COMPILE)pkg-config
LLVM_CONFIG ?= llvm-config
+LIBSLANG_CFLAGS ?= -I/usr/include/slang
all: $(FILES)
@@ -181,7 +182,7 @@ $(OUTPUT)test-libaudit.bin:
$(BUILD) -laudit
$(OUTPUT)test-libslang.bin:
- $(BUILD) -I/usr/include/slang -lslang
+ $(BUILD) $(LIBSLANG_CFLAGS) -lslang
$(OUTPUT)test-libcrypto.bin:
$(BUILD) -lcrypto
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index 85fbcd265351..df3022b213b3 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -636,12 +636,13 @@ ifdef NO_NEWT
endif
ifndef NO_SLANG
+ LIBSLANG_CFLAGS?=-I/usr/include/slang
ifneq ($(feature-libslang), 1)
msg := $(warning slang not found, disables TUI support. Please
install slang-devel, libslang-dev or libslang2-dev);
NO_SLANG := 1
else
# Fedora has /usr/include/slang/slang.h, but ubuntu
/usr/include/slang.h
- CFLAGS += -I/usr/include/slang
+ CFLAGS += $(LIBSLANG_CFLAGS)
CFLAGS += -DHAVE_SLANG_SUPPORT
EXTLIBS += -lslang
$(call detected,CONFIG_SLANG)
>
> jirka
>
>>
>> Signed-off-by: Florian Fainelli <f.faine...@gmail.com>
>> ---
>> tools/build/feature/Makefile | 2 +-
>> tools/perf/Makefile.config | 1 -
>> 2 files changed, 1 insertion(+), 2 deletions(-)
>>
>> diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
>> index 4b8244ee65ce..f9432d21eff9 100644
>> --- a/tools/build/feature/Makefile
>> +++ b/tools/build/feature/Makefile
>> @@ -181,7 +181,7 @@ $(OUTPUT)test-libaudit.bin:
>> $(BUILD) -laudit
>>
>> $(OUTPUT)test-libslang.bin:
>> - $(BUILD) -I/usr/include/slang -lslang
>> + $(BUILD) -lslang
>>
>> $(OUTPUT)test-libcrypto.bin:
>> $(BUILD) -lcrypto
>> diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
>> index 85fbcd265351..b11134fdf59f 100644
>> --- a/tools/perf/Makefile.config
>> +++ b/tools/perf/Makefile.config
>> @@ -641,7 +641,6 @@ ifndef NO_SLANG
>> NO_SLANG := 1
>> else
>> # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
>> - CFLAGS += -I/usr/include/slang
>> CFLAGS += -DHAVE_SLANG_SUPPORT
>> EXTLIBS += -lslang
>> $(call detected,CONFIG_SLANG)
>> --
>> 2.17.1
>>
--
Florian
