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@ -272,8 +272,8 @@ if(UNIX OR MINGW)
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execute_process(COMMAND ${CMAKE_CXX_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
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message(STATUS "Using GCC version ${GCC_VERSION}")
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if(GCC_VERSION VERSION_LESS 4.9)
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if(GCC_VERSION VERSION_LESS 4.3)
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message(FATAL_ERROR "gcc >= 4.3 is required.")
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if(GCC_VERSION VERSION_LESS 4.6)
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message(FATAL_ERROR "gcc >= 4.6 is required.")
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endif()
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# <regex> in gcc is unusable in versions less than 4.9.0
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# see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53631
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2
INSTALL
2
INSTALL
@ -49,7 +49,7 @@ Requirements
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First of all, you will need a recent C++ compiler, where recent means
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that the compilers are close to C++11 standard conforming like gcc (at
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least 4.3) or clang.
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least 4.6) or clang.
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LyX makes great use of the C++ Standard Template Library (STL).
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This means that gcc users will have to install the relevant libstdc++
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@ -209,7 +209,7 @@ AC_DEFUN([LYX_CXX_USE_REGEX],
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dnl <regex> in gcc is unusable in versions less than 4.9.0
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dnl see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53631
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case $gxx_version in
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4.3*|4.4*|4.5*|4.6*|4.7*|4.8*) lyx_std_regex=no ;;
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4.6*|4.7*|4.8*) lyx_std_regex=no ;;
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*) ;;
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esac
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fi
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@ -355,8 +355,8 @@ if test x$GXX = xyes; then
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AM_CPPFLAGS="$AM_CPPFLAGS -Wall -Wextra"
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fi
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case $gxx_version in
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2.*|3.*) AC_ERROR([gcc >= 4.3 is required]);;
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4.0*|4.1*|4.2*) AC_ERROR([gcc >= 4.3 is required]);;
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2.*|3.*) AC_ERROR([gcc >= 4.6 is required]);;
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4.0*|4.1*|4.2*|4.3*|4.4*|4.5*) AC_ERROR([gcc >= 4.6 is required]);;
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esac
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if test x$enable_stdlib_debug = xyes ; then
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dnl FIXME: for clang/libc++, one should define _LIBCPP_DEBUG2=0
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@ -370,7 +370,7 @@ if test x$GXX = xyes; then
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esac
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fi
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case $gxx_version in
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4.3*|4.4*|4.5*|4.6*)
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4.6*)
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dnl Note that this will define __GXX_EXPERIMENTAL_CXX0X__.
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dnl The source code relies on that.
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cxx11_flags="-std=c++0x";;
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