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[tests] Add -Wno-implicit-function-declaration for LTP build #2005

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Sep 27, 2024
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[tests] Add -Wno-implicit-function-declaration for LTP build #2005

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7 changes: 6 additions & 1 deletion libos/test/ltp/Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,11 @@ BUILDDIR = $(ROOTDIR)/build
INSTALLDIR = $(ROOTDIR)/install
TESTCASEDIR = $(INSTALLDIR)/testcases/bin

# Without the below flag, LTP's clone301 test fails on Clang 18 (e.g. on Ubuntu 24.04) with
# "error: implicit declaration of function pidfd_send_signal".
# TODO: Remove this flag when LTP is updated to the latest release (where this is fixed).
EXTRA_CFLAGS = -Wno-implicit-function-declaration

clean-extra += clean-build

.PHONY: all
Expand All @@ -24,7 +29,7 @@ $(BUILDDIR)/BUILD_SUCCESS: $(SRCDIR)/configure
mkdir -p $(BUILDDIR)
# Kernel module tests are not meaningful for our LibOS and building them causes troubles on
# incompatible host kernels.
cd $(BUILDDIR) && $(SRCDIR)/configure --without-modules --prefix $(INSTALLDIR)
cd $(BUILDDIR) && $(SRCDIR)/configure CFLAGS=$(EXTRA_CFLAGS) --without-modules --prefix $(INSTALLDIR)
$(MAKE) -C $(BUILDDIR) -f $(SRCDIR)/Makefile top_srcdir=$(SRCDIR) top_builddir=$(BUILDDIR) all
touch $@

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