<div dir="ltr"><div>Can you post the full error log please?</div><div><br></div><div><div>/Eric</div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Mar 14, 2016 at 3:10 AM, Oza, Hiral via llvm-dev <span dir="ltr"><<a href="mailto:llvm-dev@lists.llvm.org" target="_blank">llvm-dev@lists.llvm.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Greetings!<br>
<br>
I have been building llvm-3.6.x, 3.7.1 and 3.7.2 with (glibc-2.12.1, binutils-2.24, gcc-4.9.2) almost same set if CMake flags.<br>
However while building LLVM-3.8.0 using same CMake flags I am observing projects/libcxx/include/cmath errors...<br>
        ...'::signbit' has not been declared<br>
        ...'::fpclassify' has not been declared<br>
        ...'::isfinite' has not been declared<br>
        ...<br>
<br>
My environment is...<br>
        Glibc-2.12.1<br>
        Binutils-2.24<br>
        Gcc-4.92.<br>
        Llvm-3.8.0<br>
<br>
Cmake flags...<br>
        -DBUILD_SHARED_LIBS=ON \<br>
        -DCMAKE_BUILD_TYPE="Release" \<br>
        -DCMAKE_CXX_COMPILER=$GCC_ROOT/bin/g++ \<br>
        -DCMAKE_CXX_FLAGS="$CXXFLAGS" \<br>
        -DCMAKE_CXX_LINK_FLAGS="$LDFLAGS" \<br>
        -DCMAKE_C_COMPILER=$GCC_ROOT/bin/gcc \<br>
        -DCMAKE_C_FLAGS="$CFLAGS" \<br>
       -DCMAKE_C_LINK_FLAGS="$LDFLAGS" \<br>
        -DCMAKE_INSTALL_PREFIX=$PREFIX_DIR \<br>
        -DCMAKE_LIBRARY_PATH=${BASE_DIR}/lib \<br>
        -DCMAKE_SKIP_INSTALL_RPATH=OFF \<br>
        -DCMAKE_SKIP_RPATH=OFF \<br>
        -DCMAKE_SYSTEM_INCLUDE_PATH=$myincpath \<br>
        -DCMAKE_SYSTEM_LIBRARY_PATH=$mylibpath \<br>
        -DCMAKE_VERBOSE_MAKEFILE=ON \<br>
        -DCURSES_NEED_NCURSES=TRUE \<br>
        -DFFI_INCLUDE_DIR=$DESTROOT/lib/libffi-3.0.11/include \<br>
        -DFFI_LIBRARY_DIR=$DESTROOT/lib \<br>
        -DGCC_INSTALL_PREFIX=$GCC_ROOT \<br>
        -DLLVM_BINUTILS_INCDIR=${DESTROOT}/include \<br>
        -DLLVM_BUILD_32_BITS=OFF \<br>
        -DLLVM_BUILD_EXAMPLES=ON \<br>
        -DLLVM_ENABLE_CXX1Y=ON \<br>
        -DLLVM_ENABLE_EH=ON \<br>
        -DLLVM_ENABLE_FFI=ON \<br>
        -DLLVM_ENABLE_LIBCXX=ON \<br>
        -DLLVM_ENABLE_RTTI=ON \<br>
        -DLLVM_ENABLE_THREADS=ON \<br>
        -DLLVM_ENABLE_ZLIB=ON \<br>
        -DLLVM_INCLUDE_EXAMPLES=ON \<br>
        -DLLVM_INCLUDE_UTILS=ON \<br>
        -DLLVM_OPTIMIZED_TABLEGEN=ON \<br>
        -DLLVM_PARALLEL_COMPILE_JOBS=15 \<br>
        -DLLVM_PARALLEL_LINK_JOBS=15 \<br>
        -DLLVM_TARGETS_TO_BUILD="X86" \<br>
        -DLLVM_TARGETS_WITH_JIT="X86"<br>
<br>
Any suggestions?<br>
<br>
Thank you in advance.<br>
-H<br>
<br>
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</blockquote></div><br></div>