122 lines
2.7 KiB
Go
122 lines
2.7 KiB
Go
package cc
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import (
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"sort"
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"strings"
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)
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// Cflags that should be filtered out when compiling with clang
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var clangUnknownCflags = []string{
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"-finline-functions",
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"-finline-limit=64",
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"-fno-canonical-system-headers",
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"-Wno-clobbered",
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"-fno-devirtualize",
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"-fno-tree-sra",
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"-fprefetch-loop-arrays",
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"-funswitch-loops",
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"-Wmaybe-uninitialized",
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"-Wno-error=clobbered",
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"-Wno-error=maybe-uninitialized",
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"-Wno-error=unused-but-set-parameter",
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"-Wno-error=unused-but-set-variable",
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"-Wno-free-nonheap-object",
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"-Wno-literal-suffix",
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"-Wno-maybe-uninitialized",
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"-Wno-old-style-declaration",
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"-Wno-psabi",
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"-Wno-unused-but-set-parameter",
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"-Wno-unused-but-set-variable",
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"-Wno-unused-local-typedefs",
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"-Wunused-but-set-parameter",
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"-Wunused-but-set-variable",
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// arm + arm64 + mips + mips64
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"-fgcse-after-reload",
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"-frerun-cse-after-loop",
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"-frename-registers",
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"-fno-strict-volatile-bitfields",
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// arm + arm64
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"-fno-align-jumps",
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"-Wa,--noexecstack",
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// arm
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"-mthumb-interwork",
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"-fno-builtin-sin",
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"-fno-caller-saves",
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"-fno-early-inlining",
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"-fno-move-loop-invariants",
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"-fno-partial-inlining",
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"-fno-tree-copy-prop",
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"-fno-tree-loop-optimize",
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// mips + mips64
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"-msynci",
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"-mno-synci",
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"-mno-fused-madd",
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// x86 + x86_64
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"-finline-limit=300",
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"-fno-inline-functions-called-once",
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"-mfpmath=sse",
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"-mbionic",
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}
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func init() {
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sort.Strings(clangUnknownCflags)
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pctx.StaticVariable("clangExtraCflags", strings.Join([]string{
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"-D__compiler_offsetof=__builtin_offsetof",
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// Help catch common 32/64-bit errors.
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"-Werror=int-conversion",
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// Disable overly aggressive warning for macros defined with a leading underscore
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// This happens in AndroidConfig.h, which is included nearly everywhere.
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// TODO: can we remove this now?
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"-Wno-reserved-id-macro",
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// Disable overly aggressive warning for format strings.
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// Bug: 20148343
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"-Wno-format-pedantic",
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// Workaround for ccache with clang.
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// See http://petereisentraut.blogspot.com/2011/05/ccache-and-clang.html.
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"-Wno-unused-command-line-argument",
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// Disable -Winconsistent-missing-override until we can clean up the existing
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// codebase for it.
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"-Wno-inconsistent-missing-override",
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}, " "))
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pctx.StaticVariable("clangExtraConlyflags", strings.Join([]string{
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"-std=gnu99",
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}, " "))
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pctx.StaticVariable("clangExtraTargetCflags", strings.Join([]string{
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"-nostdlibinc",
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}, " "))
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}
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func clangFilterUnknownCflags(cflags []string) []string {
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ret := make([]string, 0, len(cflags))
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for _, f := range cflags {
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if !inListSorted(f, clangUnknownCflags) {
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ret = append(ret, f)
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}
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}
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return ret
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}
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func inListSorted(s string, list []string) bool {
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for _, l := range list {
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if s == l {
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return true
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} else if s < l {
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return false
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}
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}
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return false
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}
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