solve: Compile error when g++ version is less than 5

[qq624758472]

Compile error when g++ version is less than 5

log:
[root@localhost lshw]# make make -C src all make[1]: 进入目录“/root/lshw/src” make -C core all make[2]: 进入目录“/root/lshw/src/core” g++ -g -Wall -g -I./core/ -DPREFIX=\"/usr\" -DSBINDIR=\"/usr/sbin\" -DMANDIR=\"/usr/share/man\" -DDATADIR=\"/usr/share\" -DVERSION=\"B.02.19.60\" -c hw.cc -o hw.o hw.cc: 在成员函数‘long long int hw::value::asInteger() const’中: hw.cc:2462:38: 错误：不能将‘long long int strtoll(const char*, char**, int)’的实参‘1’从‘std::string {aka std::basic_string<char>}’转换到‘const char*’ return strtoll(This->s, NULL, 0); ^ make[2]: *** [hw.o] 错误 1 make[2]: 离开目录“/root/lshw/src/core” make[1]: *** [core] 错误 2 make[1]: 离开目录“/root/lshw/src” make: *** [all] 错误 2

[qq624758472]

Compile ok.

[root@localhost lshw]# g++ -v
使用内建 specs。
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-redhat-linux/4.8.5/lto-wrapper
目标：x86_64-redhat-linux
配置为：../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=release --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-linker-build-id --with-linker-hash-style=gnu --enable-languages=c,c++,objc,obj-c++,java,fortran,ada,go,lto --enable-plugin --enable-initfini-array --disable-libgcj --with-isl=/builddir/build/BUILD/gcc-4.8.5-20150702/obj-x86_64-redhat-linux/isl-install --with-cloog=/builddir/build/BUILD/gcc-4.8.5-20150702/obj-x86_64-redhat-linux/cloog-install --enable-gnu-indirect-function --with-tune=generic --with-arch_32=x86-64 --build=x86_64-redhat-linux
线程模型：posix
gcc 版本 4.8.5 20150623 (Red Hat 4.8.5-44) (GCC)
[root@localhost lshw]# make
make -C src all
make[1]: 进入目录“/root/lshw/src”
make -C core all
make[2]: 进入目录“/root/lshw/src/core”
make[2]: 对“all”无需做任何事。
make[2]: 离开目录“/root/lshw/src/core”
g++ -L./core/ -g -Wl,--as-needed -o lshw lshw.o -llshw -lresolv
make[1]: 离开目录“/root/lshw/src”
[root@localhost lshw]# ls
COPYING docs lshw.spec.in Makefile README.md src
[root@localhost lshw]# ls src/
core gui jedec.ods lshw lshw.1 lshw.cc lshw.o lshw.sgml mac-prefixes Makefile manuf.txt oui.txt pci.ids pnp.ids pnpid.txt po usb.ids
[root@localhost lshw]#

[ffontaine]

I can confirm that this PR is needed to fix the following build failure with gcc 4.8.3:

hw.cc: In member function 'long long int hw::value::asInteger() const':
hw.cc:2462:36: error: 'stoll' was not declared in this scope
       return stoll(This->s, NULL, 0);
                                    ^

Full build log: http://autobuild.buildroot.org/results/162/162e438e3f9aab9310fdbc3cf7529144ce7cb50e/build-end.log