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Android: Remove unusable android_stl=no option 

As of 3.1 and later, we have too many thirdparty C++ dependencies
and some internal uses of `new` and `delete` too for it to make
sense to build without the STL on Android.

The option has been broken since 3.0, and the "System STL" that we
relied on for basic support of `new` and `delete` is likely to be
dropped from the NDK:
https://android.googlesource.com/platform/ndk/+/ndk-release-r20/docs/BuildSystemMaintainers.md#System-STL

(cherry picked from commit 2da1614beb)
This commit is contained in:
Rémi Verschelde 2019-07-30 15:33:24 +02:00
parent f1fc6feca4
commit 4133ee5e85
1 changed files with 7 additions and 5 deletions
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12
platform/android/detect.py
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@ -28,7 +28,6 @@ def get_opts():
('ndk_platform', 'Target platform (android-<api>, e.g. "android-18")', "android-18"),
EnumVariable('android_arch', 'Target architecture', "armv7", ('armv7', 'armv6', 'arm64v8', 'x86', 'x86_64')),
BoolVariable('android_neon', 'Enable NEON support (armv7 only)', True),
BoolVariable('android_stl', 'Enable Android STL support (for modules)', True)
]
@ -212,11 +211,14 @@ def configure(env):
lib_sysroot = env["ANDROID_NDK_ROOT"] + "/platforms/" + env['ndk_platform'] + "/" + env['ARCH']
## Compile flags
env.Append(CPPFLAGS=["-isystem", env["ANDROID_NDK_ROOT"] + "/sources/cxx-stl/llvm-libc++/include"])
env.Append(CPPFLAGS=["-isystem", env["ANDROID_NDK_ROOT"] + "/sources/cxx-stl/llvm-libc++abi/include"])
env.Append(CXXFLAGS=["-std=gnu++14"])
# Disable exceptions and rtti on non-tools (template) builds
if env['tools'] or env['android_stl']:
env.Append(CPPFLAGS=["-isystem", env["ANDROID_NDK_ROOT"] + "/sources/cxx-stl/llvm-libc++/include"])
env.Append(CPPFLAGS=["-isystem", env["ANDROID_NDK_ROOT"] + "/sources/cxx-stl/llvm-libc++abi/include"])
env.Append(CXXFLAGS=['-frtti',"-std=gnu++14"])
if env['tools']:
env.Append(CXXFLAGS=['-frtti'])
else:
env.Append(CXXFLAGS=['-fno-rtti', '-fno-exceptions'])
# Don't use dynamic_cast, necessary with no-rtti.