Build system: Add fixes for scanbuild
- Exclude build flags that generate warnings when scanbuild is running - Add the SCANBUILD_ARGS variable to abuild so we can pass in arguments to scanbuild. - Set the default scanbuild argument to -k (--keep-going) so that even if an error occurs it continues with the scan. This is similar to what we do with coverity runs. Change-Id: I82e7c13d7fd7432b43c17a31834ec82fca158a07 Signed-off-by: Martin Roth <gaumless@gmail.com> Reviewed-on: https://review.coreboot.org/27595 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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@ -385,11 +385,13 @@ CFLAGS_common += -Wstrict-aliasing -Wshadow -Wdate-time
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CFLAGS_common += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer
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CFLAGS_common += -ffunction-sections -fdata-sections -fno-pie
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ifeq ($(CONFIG_COMPILER_GCC),y)
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CFLAGS_common += -Wno-packed-not-aligned
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CFLAGS_common += -fno-delete-null-pointer-checks
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# Don't add these GCC specific flags when running scan-build
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ifeq ($(CCC_ANALYZER_OUTPUT_FORMAT),)
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CFLAGS_common += -Wno-packed-not-aligned
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CFLAGS_common += -fconserve-stack
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# cf. commit f69a99db (coreboot: x86: enable gc-sections)
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CFLAGS_common += -Wno-unused-but-set-variable
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endif
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endif
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@ -439,11 +441,6 @@ ADAFLAGS_common += -gnatyN
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LDFLAGS_common := --gc-sections -nostdlib -nostartfiles -static --emit-relocs
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ifeq ($(CONFIG_COMPILER_GCC),y)
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# cf. commit f69a99db (coreboot: x86: enable gc-sections)
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CFLAGS_common += -Wno-unused-but-set-variable
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endif
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ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y)
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CFLAGS_common += -Werror
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endif
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@ -469,7 +469,7 @@ function build_config
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if [ "$scanbuild" = "true" ]; then
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scanbuild_out=$TARGET/${BUILD_NAME}-scanbuild
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rm -rf "${scanbuild_out}"
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BUILDPREFIX="scan-build -o ${scanbuild_out}tmp"
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BUILDPREFIX="scan-build ${SCANBUILD_ARGS} -o ${scanbuild_out}tmp"
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fi
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compile_target "${BUILD_NAME}"
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if [ "$scanbuild" = "true" ]; then
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@ -667,6 +667,7 @@ while true ; do
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--scan-build) shift
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scanbuild=true
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customizing="${customizing}, scan-build"
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SCANBUILD_ARGS=${SCANBUILD_ARGS:-'-k'}
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;;
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-y|--ccache) shift
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customizing="${customizing}, ccache"
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