[Boost-bugs] [Boost C++ Libraries] #13271: boost.containers compilation error on Android

Subject: [Boost-bugs] [Boost C++ Libraries] #13271: boost.containers compilation error on Android
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2017-10-25 08:39:51

#13271: boost.containers compilation error on Android
-------------------------------+---------------------------
 Reporter:  Berkus <berkus@…>  |      Owner:  Ion Gaztañaga
     Type:  Bugs               |     Status:  new
Milestone:  To Be Determined   |  Component:  container
  Version:  Boost 1.63.0       |   Severity:  Problem
 Keywords:                     |
-------------------------------+---------------------------
 Hello, in attempt to build boost for android with more or less reasonable
 strict settings (-Werror) I uncovered some bugs which I cannot report on
 github because these projects have Issues disabled.

 {{{
 clang-darwin.compile.c android-build/boost/bin.v2/
 libs/container/build/clang-darwin-5.0~x86/debug/address-
 model-32/link-static/target-os-android/threading-multi/alloc_lib.o
 In file included from libs/container/src/alloc_lib.c:19:
 libs/container/src/dlmalloc_ext_2_8_6.c:1097:8: error: variable 'ret' is
 used uninitialized whenever 'if' condition is false [-Werror,-Wsometimes-
 uninitialized]
    if (!PREACTION(m)) {
        ^~~~~~~~~~~~~
 libs/container/src/dlmalloc_ext_2_8_6.c:1125:11: note: uninitialized use
 occurs here
    return ret;
           ^~~
 libs/container/src/dlmalloc_ext_2_8_6.c:1097:4: note: remove the 'if' if
 its condition is always true
    if (!PREACTION(m)) {
    ^~~~~~~~~~~~~~~~~~~
 libs/container/src/dlmalloc_ext_2_8_6.c:1095:4: note: variable 'ret' is
 declared here
    boost_cont_malloc_stats_t ret;
    ^
 1 error generated.
     "/usr/local/opt/android-ndk/android-ndk-r16-beta1//
 toolchains/llvm/prebuilt/darwin-x86_64/bin/clang++"
 "-DBOOST_AC_USE_PTHREADS" "-DBOOST_SP_USE_PTHREADS" "-fvisibility=hidden"
 "-fvisibility-inlines-hidden" "-Wno-unused-local-typedef" -x c -O0 -g -O0
 -fno-inline -Wall -g --target=i686-none-linux-android
 --gcc-toolchain=/usr/local/opt/android-ndk/android-ndk-
 r16-beta1//toolchains/x86-4.9/prebuilt/darwin-x86_64
 --sysroot=/usr/local/opt/android-ndk/android-ndk-r16-beta1//sysroot
 -isystem /usr/local/opt/android-ndk/android-ndk-r16-beta1//
 sources/cxx-stl/llvm-libc++/include -isystem /usr/local/opt/android-ndk/
 android-ndk-r16-beta1//sources/cxx-stl/llvm-libc++abi/include -isystem
 /usr/local/opt/android-ndk/android-
 ndk-r16-beta1//sources/android/support/include
 -isystem /usr/local/opt/android-ndk/android-
 ndk-r16-beta1//sysroot/usr/include
 -isystem /usr/local/opt/android-ndk/android-ndk-r16-beta1//
 sysroot/usr/include/i686-linux-android -DANDROID -D__ANDROID_API__=21
 -ffunction-sections -funwind-tables -fstack-protector-strong
 -fno-limit-debug-info -fPIC -no-canonical-prefixes -mstackrealign
 -Wa,--noexecstack -Wformat -Werror=format-security -Wall -Werror -Wshadow
 -march=i686 -DBOOST_ALL_NO_LIB=1 -DBOOST_CONTAINER_STATIC_LINK=1
 -D_LITTLE_ENDIAN -I"." -c -o "android-build/boost/bin.v2/
 libs/container/build/clang-darwin-5.0~x86/debug/address-
 model-32/link-static/target-os-android/threading-multi/alloc_lib.o"
 "libs/container/src/alloc_lib.c"
 }}}

-- 
Ticket URL: <https://svn.boost.org/trac10/boost/ticket/13271>
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