]> git.lyx.org Git - lyx.git/blobdiff - config/lyxinclude.m4
#5502 add binding for full screen toggle on mac
[lyx.git] / config / lyxinclude.m4
index 61ea48ddf38ccb63d7cf8448d8779c69bf602147..aa53e9a6d14f7211466a5ee0b5f2405bf0f41a03 100644 (file)
@@ -8,9 +8,10 @@ dnl Usage LYX_CHECK_VERSION   Displays version of LyX being built and
 dnl sets variable "build_type"
 AC_DEFUN([LYX_CHECK_VERSION],[
 echo "configuring LyX version" AC_PACKAGE_VERSION
+
+AC_MSG_CHECKING([for build type])
 lyx_devel_version=no
 lyx_prerelease=no
-AC_MSG_CHECKING([for build type])
 AC_ARG_ENABLE(build-type,
   AC_HELP_STRING([--enable-build-type=TYPE],[set build setting according to TYPE=rel(ease), pre(release), dev(elopment), prof(iling), gprof]),
   [case $enableval in
@@ -61,6 +62,18 @@ AC_MSG_RESULT([$withval])
 ])
 
 
+dnl Check whether to configure for Qt5. Default is Qt4.
+dnl
+AC_DEFUN([LYX_CHECK_QT5],[
+AC_MSG_CHECKING([whether Qt5 is requested])
+AC_ARG_ENABLE([qt5],
+  [  --enable-qt5            use Qt5 for building],
+  USE_QT5=$enableval, USE_QT5=no)
+AC_MSG_RESULT([$USE_QT5])
+AC_SUBST([USE_QT5])
+])
+
+
 dnl Usage: LYX_WARNING(message)  Displays the warning "message" and sets the
 dnl flag lyx_warning to yes.
 AC_DEFUN([LYX_WARNING],[
@@ -78,7 +91,7 @@ AC_MSG_ERROR([cannot find $1. Please check that the $2 library
 
 
 dnl Usage: LYX_CHECK_WARNINGS  Displays a warning message if a LYX_WARNING
-dnl   has occured previously.
+dnl   has occurred previously.
 AC_DEFUN([LYX_CHECK_WARNINGS],[
 if test x$lyx_warning = xyes; then
 cat <<EOF
@@ -120,37 +133,48 @@ done
 ])dnl
 
 
-AC_DEFUN([LYX_PROG_CXX_WORKS],
-[rm -f conftest.C
-cat >conftest.C <<EOF
-class foo {
-   // we require the mutable keyword
-   mutable int bar;
- };
- // we require namespace support
- namespace baz {
-   int bar;
- }
- int main() {
-   return(0);
- }
-EOF
-$CXX -c $CXXFLAGS $CPPFLAGS conftest.C >&5 || CXX=
-rm -f conftest.C conftest.o conftest.obj || true
+dnl Usage: LYX_PROG_CLANG: set lyx_cv_prog_clang to yes if the compiler is clang.
+AC_DEFUN([LYX_PROG_CLANG],
+[AC_CACHE_CHECK([whether the compiler is clang],
+               [lyx_cv_prog_clang],
+[AC_TRY_COMPILE([], [
+#ifndef __clang__
+           this is not clang
+#endif
+],
+[lyx_cv_prog_clang=yes ; CLANG=yes], [lyx_cv_prog_clang=no ; CLANG=no])])
 ])
 
 
-AC_DEFUN([LYX_PROG_CXX],
-[AC_MSG_CHECKING([for a good enough C++ compiler])
-LYX_SEARCH_PROG(CXX, $CXX $CCC g++ gcc c++ CC cxx xlC cc++, [LYX_PROG_CXX_WORKS])
+dnl Usage: LYX_LIB_STDCXX: set lyx_cv_lib_stdcxx to yes if the STL library is libstdc++.
+AC_DEFUN([LYX_LIB_STDCXX],
+[AC_CACHE_CHECK([whether STL is libstdc++],
+               [lyx_cv_lib_stdcxx],
+[AC_TRY_COMPILE([#include<vector>], [
+#if ! defined(__GLIBCXX__) && ! defined(__GLIBCPP__)
+           this is not libstdc++
+#endif
+],
+[lyx_cv_lib_stdcxx=yes], [lyx_cv_lib_stdcxx=no])])
+])
 
-if test -z "$CXX" ; then
-  AC_MSG_ERROR([Unable to find a good enough C++ compiler])
-fi
-AC_MSG_RESULT($CXX)
 
-AC_PROG_CXX
-AC_PROG_CXXCPP
+AC_DEFUN([LYX_PROG_CXX],
+[AC_REQUIRE([AC_PROG_CXX])
+AC_REQUIRE([AC_PROG_CXXCPP])
+
+AC_LANG_PUSH(C++)
+LYX_PROG_CLANG
+LYX_LIB_STDCXX
+AC_LANG_POP(C++)
+
+if test $lyx_cv_lib_stdcxx = "yes" ; then
+  AC_DEFINE(STD_STRING_USES_COW, 1, [std::string uses copy-on-write])
+else
+  if test $lyx_cv_prog_clang = "yes" ; then
+    AC_DEFINE(USE_LLVM_LIBCPP, 1, [use libc++ provided by llvm instead of GNU libstdc++])
+  fi
+fi
 
 ### We might want to get or shut warnings.
 AC_ARG_ENABLE(warnings,
@@ -180,6 +204,9 @@ AC_ARG_ENABLE(concept-checks,
   AC_HELP_STRING([--enable-concept-checks],[enable concept checks]),,
   [AS_CASE([$build_type], [dev*|pre*], [enable_concept_checks=yes], 
          [enable_concept_checks=no])]
+  if test x$USE_QT5 = xyes ; then
+      enable_concept_checks=no
+  fi
 )
 
 ### set up optimization
@@ -189,12 +216,12 @@ AC_ARG_ENABLE(optimization,
 case $enable_optimization in
     yes)
         if test $lyx_devel_version = yes ; then
-            lyx_opt=-O
+            lyx_optim=-O
         else
-            lyx_opt=-O2
+            lyx_optim=-O2
         fi;;
-    no) lyx_opt=;;
-    *) lyx_opt=${enable_optimization};;
+    no) lyx_optim=;;
+    *) lyx_optim=${enable_optimization};;
 esac
 
 AC_ARG_ENABLE(pch,
@@ -218,54 +245,57 @@ if test "x$enable_assertions" = xyes ; then
 fi
 
 # set the compiler options correctly.
+lyx_std_regex=no
 if test x$GXX = xyes; then
-  dnl Useful for global version info
-  gxx_version=`${CXX} -dumpversion`
-  CXX_VERSION="($gxx_version)"
-
-  if test "$ac_test_CXXFLAGS" = set; then
-    CXXFLAGS="$ac_save_CXXFLAGS"
+  dnl clang++ pretends to be g++ 4.2.1; this is not useful
+  if test x$CLANG = xno; then
+    dnl Useful for global version info
+    gxx_version=`${CXX} -dumpversion`
+    CXX_VERSION="($gxx_version)"
   else
-    CFLAGS="$lyx_opt"
-    CXXFLAGS="$lyx_opt"
-    if test x$enable_debug = xyes ; then
-      CFLAGS="-g $CFLAGS"
-      CXXFLAGS="-g $CXXFLAGS"
-    fi
-    if test $build_type = gprof ; then
-      CFLAGS="-pg $CFLAGS"
-      CXXFLAGS="-pg $CXXFLAGS"
-      LDFLAGS="-pg $LDFLAGS"
-    fi
-    if test $build_type = profiling ; then
-      CFLAGS="$CFLAGS -fno-omit-frame-pointer"
-      CXXFLAGS="$CXXFLAGS -fno-omit-frame-pointer"
-    fi
+    gxx_version=clang
   fi
-  if test "$ac_env_CPPFLAGS_set" != set; then
-    if test x$enable_warnings = xyes ; then
-        case $gxx_version in
-            3.1*|3.2*|3.3*)
-                CPPFLAGS="-W -Wall $CPPFLAGS"
-                ;;
-            *)
-                CPPFLAGS="-Wextra -Wall $CPPFLAGS "
-                ;;
-        esac
-    fi
+
+  AM_CXXFLAGS="$lyx_optim"
+  if test x$enable_debug = xyes ; then
+      AM_CXXFLAGS="-g $AM_CXXFLAGS"
+  fi
+  if test $build_type = gprof ; then
+    AM_CXXFLAGS="$AM_CXXFLAGS -pg"
+    AM_LDFLAGS="$AM_LDFLAGS -pg"
+  fi
+  if test $build_type = profiling ; then
+    AM_CXXFLAGS="$AM_CXXFLAGS -fno-omit-frame-pointer"
+  fi
+
+  if test x$USE_QT5 = xyes ; then
+      AS_CASE([$host], [*mingw*|*cygwin*], [], [AM_CXXFLAGS="-fPIC $AM_CXXFLAGS"])
+  fi
+  dnl Warnings are for preprocessor too
+  if test x$enable_warnings = xyes ; then
+      case $gxx_version in
+          3.1*|3.2*|3.3*)
+              AM_CPPFLAGS="$AM_CPPFLAGS -Wall -W"
+              ;;
+          3.4*|4.0*|4.1*|4.2*|4.3*|4.4*|4.5*|4.6*|4.7*|4.8*|clang)
+              AM_CPPFLAGS="$AM_CPPFLAGS -Wall -Wextra"
+              ;;
+          *)
+              AM_CPPFLAGS="$AM_CPPFLAGS -Wall -Wextra -Wfloat-conversion"
+              ;;
+      esac
   fi
   case $gxx_version in
-      3.1*)    AM_CXXFLAGS="-finline-limit=500 ";;
-      3.2*|3.3*)    AM_CXXFLAGS="";;
-      3.4*|4.*)
-          AM_CXXFLAGS=""
-          test $enable_pch = yes && lyx_pch_comp=yes
-          ;;
-      *)       AM_CXXFLAGS="";;
+      3.1*)    AM_CXXFLAGS="$AM_CXXFLAGS -finline-limit=500";;
+      3.2*|3.3*) ;;
+      *)  test $enable_pch = yes && lyx_pch_comp=yes ;;
   esac
   if test x$enable_stdlib_debug = xyes ; then
+    dnl FIXME: for clang/libc++, one should define _LIBCPP_DEBUG2=0
+    dnl See http://clang-developers.42468.n3.nabble.com/libc-debug-mode-td3336742.html
     case $gxx_version in
-      3.4*|4.*)
+      3.1*|3.2*|3.3*) ;;
+      *)
         lyx_flags="$lyx_flags stdlib-debug"
        AC_DEFINE(_GLIBCXX_DEBUG, 1, [libstdc++ debug mode])
        AC_DEFINE(_GLIBCXX_DEBUG_PEDANTIC, 1, [libstdc++ pedantic debug mode])
@@ -276,6 +306,7 @@ if test x$GXX = xyes; then
     case $gxx_version in
       3.3*)
         lyx_flags="$lyx_flags concept-checks"
+       dnl FIXME check whether this makes sense with clang/libc++
         AC_DEFINE(_GLIBCPP_CONCEPT_CHECKS, 1, [libstdc++ concept checking])
        ;;
       3.4*|4.*)
@@ -285,18 +316,41 @@ if test x$GXX = xyes; then
     esac
   fi
   if test x$enable_cxx11 = xyes ; then
+    case $gxx_version in
+      3.*|4.0*|4.1*|4.2*) AC_ERROR([There is no C++11 support in gcc 3.x]);;
+      4.3*|4.4*|4.5*|4.6*)
+        lyx_flags="$lyx_flags c++11-mode"
+       AM_CXXFLAGS="$AM_CXXFLAGS -std=gnu++0x";;
+      clang)
+        dnl presumably all clang version support c++11.
+        lyx_flags="$lyx_flags c++11-mode"
+       dnl the deprecated-register warning is very annoying with Qt4.x right now.
+        AM_CXXFLAGS="$AM_CXXFLAGS -std=c++11 -Wno-deprecated-register";;
+      *)
+       lyx_flags="$lyx_flags c++11-mode"
+       AM_CXXFLAGS="$AM_CXXFLAGS -std=gnu++11"
+       ;;
+    esac
+    if test x$CLANG = xno || test $lyx_cv_lib_stdcxx = yes; then
+      dnl <regex> in gcc is unusable in versions less than 4.9.0
+      dnl see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53631
       case $gxx_version in
-         4.3*|4.4*|4.5*|4.6*)
-             lyx_flags="$lyx_flags c++11-mode"
-             CXXFLAGS="-std=gnu++0x $CXXFLAGS"
-             ;;
-         4.7*|4.8*)
-             lyx_flags="$lyx_flags c++11-mode"
-             CXXFLAGS="-std=gnu++11 $CXXFLAGS"
-             ;;
+        3.*|4.0*|4.1*|4.2*|4.3*|4.4*|4.5*|4.6*|4.7*|4.8*) ;;
+       *) lyx_flags="$lyx_flags stdregex"
+          lyx_std_regex=yes
+           ;;
       esac
+    else
+      lyx_flags="$lyx_flags stdregex"
+      lyx_std_regex=yes
+    fi
+
+    if test $lyx_std_regex = yes ; then
+      AC_DEFINE([LYX_USE_STD_REGEX], 1, [define to 1 if std::regex should be preferred to boost::regex])
+    fi
   fi
 fi
+AM_CONDITIONAL([LYX_USE_STD_REGEX], test $lyx_std_regex = yes)
 test "$lyx_pch_comp" = yes && lyx_flags="$lyx_flags pch"
 AM_CONDITIONAL(LYX_BUILD_PCH, test "$lyx_pch_comp" = yes)
 ])dnl
@@ -311,28 +365,66 @@ AC_DEFUN([LYX_USE_INCLUDED_BOOST],[
            [lyx_cv_with_included_boost=yes])
        AM_CONDITIONAL(USE_INCLUDED_BOOST, test x$lyx_cv_with_included_boost = xyes)
        AC_MSG_RESULT([$lyx_cv_with_included_boost])
-       if test x$lyx_cv_with_included_boost != xyes ; then
-               AC_LANG_PUSH(C++)
-               save_LIBS=$LIBS
-
-               LIBS="$save_LIBS -lboost_signals -lm"
-               AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <boost/signal.hpp>], [boost::signal<void ()> s;])], [lyx_boost_plain=yes], [])
-               LIBS="$save_LIBS -lboost_signals-mt -lm $LIBTHREAD"
-               AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <boost/signal.hpp>], [boost::signal<void ()> s;])], [lyx_boost_mt=yes], [])
+       if test x$lyx_cv_with_included_boost = xyes ; then
+           BOOST_INCLUDES='-I$(top_srcdir)/boost'
+           BOOST_LIBS='$(top_builddir)/boost/liblyxboost.a'
+       else
+           AC_LANG_PUSH(C++)
+           save_LIBS=$LIBS
+
+           AC_MSG_CHECKING([for multithreaded boost libraries])
+           LIBS="$save_LIBS -lboost_signals-mt -lm $LIBTHREAD"
+           AC_LINK_IFELSE(
+               [AC_LANG_PROGRAM([#include <boost/signal.hpp>],
+                       [boost::signal<void ()> s;])],
+               [AC_MSG_RESULT([yes])
+                BOOST_MT="-mt"],
+               [AC_MSG_RESULT([no])
+                AC_MSG_CHECKING([for plain boost libraries])
+                LIBS="$save_LIBS -lboost_signals -lm"
+                AC_LINK_IFELSE(
+                    [AC_LANG_PROGRAM([#include <boost/signal.hpp>],
+                            [boost::signal<void ()> s;])],
+                    [AC_MSG_RESULT([yes])
+                     BOOST_MT=""],
+                    [AC_MSG_RESULT([no])
+                     AC_MSG_ERROR([cannot find suitable boost library (do not use --without-included-boost)])
+                ])
+           ])
+           LIBS=$save_LIBS
+           AC_LANG_POP(C++)
+           BOOST_INCLUDES=
+           if test $lyx_std_regex = yes ; then
+             BOOST_LIBS="-lboost_signals${BOOST_MT}"
+           else
+             BOOST_LIBS="-lboost_regex${BOOST_MT} -lboost_signals${BOOST_MT}"
+           fi
+       fi
+       AC_SUBST(BOOST_INCLUDES)
+       AC_SUBST(BOOST_LIBS)
+])
 
-               LIBS=$save_LIBS
-               AC_LANG_POP(C++)
 
-               if test x$lyx_boost_mt = xyes ; then
-                       BOOST_MT="-mt"
-               else
-                       BOOST_MT=""
-                       if test x$lyx_boost_plain != xyes ; then
-                               AC_MSG_ERROR([cannot find suitable boost library (do not use --without-included-boost)])
-                       fi
-               fi
-               AC_SUBST(BOOST_MT)
-       fi
+dnl Usage: LYX_CHECK_CALLSTACK_PRINTING: define LYX_CALLSTACK_PRINTING if the
+dnl        necessary APIs are available to print callstacks.
+AC_DEFUN([LYX_CHECK_CALLSTACK_PRINTING],
+[AC_CACHE_CHECK([whether printing callstack is possible],
+               [lyx_cv_callstack_printing],
+[AC_TRY_COMPILE([
+#include <execinfo.h>
+#include <cxxabi.h>
+], [
+       void* array[200];
+       size_t size = backtrace(array, 200);
+       backtrace_symbols(array, size);
+       int status = 0;
+       abi::__cxa_demangle("abcd", 0, 0, &status);
+],
+[lyx_cv_callstack_printing=yes], [lyx_cv_callstack_printing=no])])
+if test x"$lyx_cv_callstack_printing" = xyes; then
+  AC_DEFINE([LYX_CALLSTACK_PRINTING], 1,
+            [Define if callstack can be printed])
+fi
 ])