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Message-ID: <20251003022733.2417810-1-irogers@google.com>
Date: Thu, 2 Oct 2025 19:27:33 -0700
From: Ian Rogers <irogers@...gle.com>
To: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>,
Arnaldo Carvalho de Melo <acme@...nel.org>, Namhyung Kim <namhyung@...nel.org>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>,
Ian Rogers <irogers@...gle.com>, Adrian Hunter <adrian.hunter@...el.com>,
linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org
Subject: [PATCH v1] tools build: Remove feature-libslang-include-subdir
Added in commit cbefd24f0aee ("tools build: Add test to check if
slang.h is in /usr/include/slang/") this feature was to fix build
support on now unsupported versions of RHEL 5 and 6. As 6 years has
passed let's remove the workaround.
Signed-off-by: Ian Rogers <irogers@...gle.com>
---
tools/build/feature/Makefile | 4 ----
tools/build/feature/test-libslang-include-subdir.c | 7 -------
tools/perf/Makefile.config | 9 ++-------
tools/perf/ui/libslang.h | 4 ----
4 files changed, 2 insertions(+), 22 deletions(-)
delete mode 100644 tools/build/feature/test-libslang-include-subdir.c
diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
index fd304dc2aafd..a4b1e11c5807 100644
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@ -33,7 +33,6 @@ FILES= \
test-libperl.bin \
test-libpython.bin \
test-libslang.bin \
- test-libslang-include-subdir.bin \
test-libtraceevent.bin \
test-libcpupower.bin \
test-libtracefs.bin \
@@ -229,9 +228,6 @@ $(OUTPUT)test-libunwind-debug-frame-aarch64.bin:
$(OUTPUT)test-libslang.bin:
$(BUILD) -lslang
-$(OUTPUT)test-libslang-include-subdir.bin:
- $(BUILD) -lslang
-
$(OUTPUT)test-libtraceevent.bin:
$(BUILD) -ltraceevent
diff --git a/tools/build/feature/test-libslang-include-subdir.c b/tools/build/feature/test-libslang-include-subdir.c
deleted file mode 100644
index 3ea47ec7590e..000000000000
--- a/tools/build/feature/test-libslang-include-subdir.c
+++ /dev/null
@@ -1,7 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <slang/slang.h>
-
-int main(void)
-{
- return SLsmg_init_smg();
-}
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index b0e15721c5a5..6e7c057b8ecf 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -773,15 +773,10 @@ endif
ifndef NO_SLANG
ifneq ($(feature-libslang), 1)
- ifneq ($(feature-libslang-include-subdir), 1)
- $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev)
- NO_SLANG := 1
- else
- CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
- endif
+ $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev)
+ NO_SLANG := 1
endif
ifndef NO_SLANG
- # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
CFLAGS += -DHAVE_SLANG_SUPPORT
EXTLIBS += -lslang
$(call detected,CONFIG_SLANG)
diff --git a/tools/perf/ui/libslang.h b/tools/perf/ui/libslang.h
index 1dff3020e9d5..6722561e0458 100644
--- a/tools/perf/ui/libslang.h
+++ b/tools/perf/ui/libslang.h
@@ -15,11 +15,7 @@
#define ENABLE_SLFUTURE_CONST 1
#define ENABLE_SLFUTURE_VOID 1
-#ifdef HAVE_SLANG_INCLUDE_SUBDIR
-#include <slang/slang.h>
-#else
#include <slang.h>
-#endif
#define SL_KEY_UNTAB 0x1000
--
2.51.0.618.g983fd99d29-goog
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