diff options
Diffstat (limited to 'bootstrap')
| -rwxr-xr-x | bootstrap | 51 |
1 files changed, 19 insertions, 32 deletions
@@ -1004,58 +1004,45 @@ fi # Check if C++ compiler works TMPFILE=`cmake_tmp_file` echo ' -#if defined(TEST1) -# include <iostream> -#else -# include <iostream.h> -#endif +#include <iostream> +#include <memory> #if __cplusplus >= 201103L && defined(__SUNPRO_CC) && __SUNPRO_CC < 0x5140 #error "SunPro <= 5.13 C++ 11 mode not supported due to bug in move semantics." #endif -class NeedCXX +class Class { public: - NeedCXX() { this->Foo = 1; } - int GetFoo() { return this->Foo; } + int Get() const { return this->Member; } private: - int Foo; + int Member = 1; }; int main() { - NeedCXX c; -#ifdef TEST3 - cout << c.GetFoo() << endl; -#else - std::cout << c.GetFoo() << std::endl; -#endif + auto const c = std::unique_ptr<Class>(new Class); + std::cout << c->Get() << std::endl; return 0; } ' > "${TMPFILE}.cxx" -for a in ${cmake_cxx_compilers}; do - for b in 1 2 3; do - if [ -z "${cmake_cxx_compiler}" ] && \ - cmake_try_run "${a}" "${cmake_cxx_flags} -DTEST${b}" "${TMPFILE}.cxx" >> cmake_bootstrap.log 2>&1; then - cmake_cxx_compiler="${a}" - fi - done -done -for std in 14 11 98; do +for std in 17 14 11; do try_flags="`cmake_extract_standard_flags \"${cmake_toolchain}\" CXX \"${std}\"`" - for flag in $try_flags; do - echo "Checking for wheter ${cmake_cxx_flags} supports ${flag}" >> cmake_bootstrap.log 2>&1 - if cmake_try_run "${cmake_cxx_compiler}" "${cmake_cxx_flags} ${flag} -DTEST1" \ - "${TMPFILE}.cxx" >> cmake_bootstrap.log 2>&1; then - cmake_cxx_flags="${cmake_cxx_flags} ${flag} " - break 2 - fi + for compiler in ${cmake_cxx_compilers}; do + for flag in '' $try_flags; do + echo "Checking whether '${compiler} ${cmake_cxx_flags} ${flag}' works." >> cmake_bootstrap.log 2>&1 + if cmake_try_run "${compiler}" "${cmake_cxx_flags} ${flag}" \ + "${TMPFILE}.cxx" >> cmake_bootstrap.log 2>&1; then + cmake_cxx_compiler="${compiler}" + cmake_cxx_flags="${cmake_cxx_flags} ${flag} " + break 3 + fi + done done done rm -f "${TMPFILE}.cxx" if [ -z "${cmake_cxx_compiler}" ]; then - cmake_error 7 "Cannot find appropriate C++ compiler on this system. +cmake_error 7 "Cannot find a C++ compiler supporting C++11 on this system. Please specify one using environment variable CXX. See cmake_bootstrap.log for compilers attempted." fi |