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Ninja and shell escape command line flags

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Strings like cflags in Android.bp files are parsed by blueprint,
written to build.ninja files, parsed by ninja, and then passed to
/bin/sh -c.  This had resulted in a combination of blueprint
(\"), ninja ($$), and shell (\$) escaping being necessary.

Update Soong to automatically handle ninja and shell escaping in
cflags and ldflags.

Bug: 31221587
Test: m -j
Change-Id: Ibe087b2788b355b73c3225b5928870619a0a53bc
This commit is contained in:
Colin Cross
2016-09-29 14:06:02 -07:00
parent 81ef084a00
commit 4b963f8d6a
2 changed files with 15 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
cc/compiler.go
View File

@@ -19,6 +19,8 @@ import (
"path/filepath"
"strings"
"github.com/google/blueprint/proptools"
"android/soong/android"
"android/soong/cc/config"
)
@@ -130,11 +132,13 @@ func (compiler *baseCompiler) compilerFlags(ctx ModuleContext, flags Flags) Flag
CheckBadCompilerFlags(ctx, "conlyflags", compiler.Properties.Conlyflags)
CheckBadCompilerFlags(ctx, "asflags", compiler.Properties.Asflags)
flags.CFlags = append(flags.CFlags, compiler.Properties.Cflags...)
flags.CppFlags = append(flags.CppFlags, compiler.Properties.Cppflags...)
flags.ConlyFlags = append(flags.ConlyFlags, compiler.Properties.Conlyflags...)
flags.AsFlags = append(flags.AsFlags, compiler.Properties.Asflags...)
flags.YaccFlags = append(flags.YaccFlags, compiler.Properties.Yaccflags...)
esc := proptools.NinjaAndShellEscape
flags.CFlags = append(flags.CFlags, esc(compiler.Properties.Cflags)...)
flags.CppFlags = append(flags.CppFlags, esc(compiler.Properties.Cppflags)...)
flags.ConlyFlags = append(flags.ConlyFlags, esc(compiler.Properties.Conlyflags)...)
flags.AsFlags = append(flags.AsFlags, esc(compiler.Properties.Asflags)...)
flags.YaccFlags = append(flags.YaccFlags, esc(compiler.Properties.Yaccflags)...)
// Include dir cflags
rootIncludeDirs := android.PathsForSource(ctx, compiler.Properties.Include_dirs)
@@ -198,15 +202,15 @@ func (compiler *baseCompiler) compilerFlags(ctx ModuleContext, flags Flags) Flag
CheckBadCompilerFlags(ctx, "release.cflags", compiler.Properties.Release.Cflags)
// TODO: debug
flags.CFlags = append(flags.CFlags, compiler.Properties.Release.Cflags...)
flags.CFlags = append(flags.CFlags, esc(compiler.Properties.Release.Cflags)...)
if flags.Clang {
CheckBadCompilerFlags(ctx, "clang_cflags", compiler.Properties.Clang_cflags)
CheckBadCompilerFlags(ctx, "clang_asflags", compiler.Properties.Clang_asflags)
flags.CFlags = config.ClangFilterUnknownCflags(flags.CFlags)
flags.CFlags = append(flags.CFlags, compiler.Properties.Clang_cflags...)
flags.AsFlags = append(flags.AsFlags, compiler.Properties.Clang_asflags...)
flags.CFlags = append(flags.CFlags, esc(compiler.Properties.Clang_cflags)...)
flags.AsFlags = append(flags.AsFlags, esc(compiler.Properties.Clang_asflags)...)
flags.CppFlags = config.ClangFilterUnknownCflags(flags.CppFlags)
flags.ConlyFlags = config.ClangFilterUnknownCflags(flags.ConlyFlags)
flags.LdFlags = config.ClangFilterUnknownCflags(flags.LdFlags)