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[lilypond.git] / stepmake / aclocal.m4
index 3786968be37961ffde0fdf15a9a6aa21b4dd50ab..682b6b1bd15e22504106c520493900346a541f34 100644 (file)
@@ -32,9 +32,13 @@ AC_DEFUN(STEPMAKE_GET_VERSION, [
     ## for compatibility reasons.
     
     ## grab the first version number in  --version output.
-    eval _ver=\"\`("$1" --version || "$1" -V) 2>&1 | grep '\(^\| \)[0-9][0-9]*\.[0-9]' \
-        | head -n 1 \
-       | tr ' ' '\n' | sed 's/\([0-9][0-9]*\.[0-9][0-9.]*\).*/\1/g' | grep '\(^\| \)[0-9][0-9]*\.[0-9]' | head -n 1\`\"
+    eval _ver=\"\`("$1" --version || "$1" -V) 2>&1 |
+               grep -E '(^| )[0-9][0-9]*\.[0-9]' |
+               head -n 1 |
+               tr ' ' '\n' |
+               sed 's/\([0-9][0-9]*\.[0-9][0-9.]*\).*/\1/g' |
+               grep -E '(^| )[0-9][0-9]*\.[0-9]' |
+               head -n 1\`\"
 
     if test -z "$_ver"; then
         ## If empty, try date [fontforge]
@@ -163,8 +167,7 @@ AC_DEFUN(STEPMAKE_BISON, [
     fi
 ])
 
-
-AC_DEFUN(STEPMAKE_COMPILE, [
+AC_DEFUN(STEPMAKE_COMPILE_BEFORE, [
     # -O is necessary to get inlining
     CFLAGS=${CFLAGS-""}
     CXXFLAGS=${CXXFLAGS-$CFLAGS}
@@ -175,19 +178,23 @@ AC_DEFUN(STEPMAKE_COMPILE, [
     pipe_b=yes
 
     AC_ARG_ENABLE(debugging,
-    [  --enable-debugging      compile with debugging info.  Default: on],
+    [AS_HELP_STRING([--enable-debugging],
+                    [compile with debugging info.  Default: on])],
     [debug_b=$enableval])
 
     AC_ARG_ENABLE(optimising,
-    [  --enable-optimising     compile with optimising.  Default: on],
+    [AS_HELP_STRING([--enable-optimising],
+                    [compile with optimising.  Default: on])],
     [optimise_b=$enableval])
 
     AC_ARG_ENABLE(profiling, 
-    [  --enable-profiling      compile with gprof support.  Default: off],
+    [AS_HELP_STRING([--enable-profiling],
+                    [compile with gprof support.  Default: off])],
     [profile_b=$enableval])
     
     AC_ARG_ENABLE(pipe, 
-    [  --enable-pipe           compile with -pipe.  Default: on],
+    [AS_HELP_STRING([--enable-pipe],
+                    [compile with -pipe.  Default: on])],
     [pipe_b=$enableval])
 
     if test "$optimise_b" = yes; then
@@ -204,7 +211,13 @@ AC_DEFUN(STEPMAKE_COMPILE, [
     if test $debug_b = yes; then
        OPTIMIZE="$OPTIMIZE -g"
     fi
+])
+
+AC_DEFUN(STEPMAKE_COMPILE, [
+
+    AC_REQUIRE([STEPMAKE_COMPILE_BEFORE])
+    AC_REQUIRE([AC_PROG_CC])
+
     STEPMAKE_OPTIONAL_REQUIRED(CC, cc, $1)
     LD='$(CC)'
     AC_SUBST(LD)
@@ -249,7 +262,6 @@ AC_DEFUN(STEPMAKE_COMPILE, [
 ])
 
 AC_DEFUN(STEPMAKE_CXX, [
-    AC_LANG([C++])
     AC_PROG_CXX
     STEPMAKE_OPTIONAL_REQUIRED(CXX, c++, $1)
 
@@ -274,6 +286,22 @@ AC_DEFUN(STEPMAKE_CXXTEMPLATE, [
     fi
 ])
 
+AC_DEFUN(STEPMAKE_GXXCODEGENBUG, [
+    AC_MSG_CHECKING([options for known g++ bugs])
+    case "$GXX:$CXX_VERSION" in
+       yes:400600[[0-2]])
+           AC_MSG_RESULT([-fno-optimize-sibling-calls (tail call bug)])
+           CXXFLAGS="$CXXFLAGS -fno-optimize-sibling-calls"
+           ;;
+       yes:400700?)
+           AC_MSG_RESULT([-fno-tree-vrp (comparison bug)])
+           CXXFLAGS="$CXXFLAGS -fno-tree-vrp"
+           ;;
+       *) AC_MSG_RESULT([none])
+    esac
+    AC_SUBST(CXXFLAGS)
+])
+
 
 AC_DEFUN(STEPMAKE_DATADIR, [
     if test "$datadir" = "\${prefix}/share"; then
@@ -393,9 +421,22 @@ EOF
            exit 2
        fi
 
-       for d in 2 3 4 ; do
-           for mf in `cd $srcdir ; find -maxdepth $d -mindepth $d -name GNUmakefile`; do
-               mkdir -p $(dirname $mf)
+       abssrcdir="`cd $srcdir; pwd`"
+       absbuilddir="`pwd`"
+       for d in 2 3 4 5 ; do
+           for mf in `cd $srcdir ; find . -maxdepth $d -mindepth $d -name GNUmakefile`; do
+               case "$abssrcdir" in
+                   "$absbuilddir"/*)
+# source is below build directory, always copy
+                       ;;
+                   *)
+                       case "$abssrcdir/${mf#./}" in
+                           "$absbuilddir"/*)
+# find descended into build directory, don't copy
+                               continue
+                       esac
+               esac
+               mkdir -p ${mf%/*}
                cat <<EOF | $PYTHON -  > $mf
 print 'depth=' + ('../' * ( $d-1 ) )
 print 'include \$(depth)/config\$(if \$(conf),-\$(conf),).make'
@@ -403,8 +444,19 @@ print 'include \$(configure-srcdir)/$mf'
 print 'MODULE_INCLUDES += \$(src-dir)/\$(outbase)'
 EOF
            done
-           for mf in `cd $srcdir ; find -maxdepth $d -mindepth $d -name '*.make' | grep -v config.make `; do
-               mkdir -p $(dirname $mf)
+           for mf in `cd $srcdir ; find . -maxdepth $d -mindepth $d -name '*.make' | grep -v config.make `; do
+               case "$abssrcdir" in
+                   "$absbuilddir"/*)
+# source is below build directory, always copy
+                       ;;
+                   *)
+                       case "$abssrcdir/${mf#./}" in
+                           "$absbuilddir"/*)
+# find descended into build directory, don't copy
+                               continue
+                       esac
+               esac
+               mkdir -p ${mf%/*}
                cat <<EOF | $PYTHON -  > $mf
 print 'include \$(depth)/config\$(if \$(conf),-\$(conf),).make'
 print 'include \$(configure-srcdir)/$mf'
@@ -412,12 +464,13 @@ EOF
            done
        done
 
-       
+       rm -f GNUmakefile
        cat <<EOF > GNUmakefile
-depth = ./
+depth = .
 include config\$(if \$(conf),-\$(conf),).make
 include \$(configure-srcdir)/GNUmakefile.in
 EOF
+       chmod 444 GNUmakefile
        AC_SUBST(VPATH)
     fi
 ])
@@ -443,7 +496,6 @@ AC_DEFUN(STEPMAKE_FLEXLEXER, [
     fi
     # check for yyFlexLexer.yy_current_buffer,
     # in 2.5.4 <= flex < 2.5.29
-    AC_LANG_PUSH(C++)
     AC_CACHE_CHECK([for yyFlexLexer.yy_current_buffer],
        [stepmake_cv_flexlexer_yy_current_buffer],
        AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
@@ -463,7 +515,6 @@ class yy_flex_lexer: public yyFlexLexer
     if test $stepmake_cv_flexlexer_yy_current_buffer = yes; then
        AC_DEFINE(HAVE_FLEXLEXER_YY_CURRENT_BUFFER, 1, [Define to 1 if yyFlexLexer has yy_current_buffer.])
     fi
-    AC_LANG_POP(C++)
 ])
   
 
@@ -484,13 +535,17 @@ EOF
         AC_MSG_RESULT($FLEXLEXER_FILE)
 ])
 
-AC_DEFUN(STEPMAKE_GCC, [
-    if test "$GCC" = "yes"; then
-        STEPMAKE_CHECK_VERSION(CC, $1, $2)
-    else
-       warn="$CC (Please install *GNU* cc)"
-       STEPMAKE_ADD_ENTRY($1, $warn)
+AC_DEFUN(STEPMAKE_GCC_OR_CLANG, [
+    STEPMAKE_HAS_CLANG()
+    if test "$HAS_CLANG" = "no"; then
+        if test "$GCC" = "yes"; then
+            STEPMAKE_CHECK_VERSION(CC, $1, $2)
+        else
+           warn="$CC (Please install *GNU* cc)"
+           STEPMAKE_ADD_ENTRY($1, $warn)
+        fi
     fi
+    # no else, we're fine with any clang
 ])
 
 AC_DEFUN(STEPMAKE_GETTEXT, [
@@ -502,29 +557,13 @@ AC_DEFUN(STEPMAKE_GETTEXT, [
     
     AC_SUBST(localedir)
     AC_DEFINE_UNQUOTED(LOCALEDIR, ["${LOCALEDIR}"])
-    # ouch.  autoconf <= 2.57's gettext check fails for
-    # g++ >= 3.3 (with -std=gnu++98, the default).
-    # While the check is OK for g++ -std=c++98,
-    # LilyPond needs GNU g++, so who is to blame here?
-    # Use a workaround until this is resolved:
-    # for g++ >= 3.3, select C language.
-    GCC_UNSUPPORTED=
-    STEPMAKE_CHECK_VERSION_UNSUPPORTED(CXX, GCC_UNSUPPORTED, 3.3)
-    if test -n "$GCC_UNSUPPORTED"; then
-       AC_MSG_WARN([autoconf <= 2.59 with g++ >= 3.3 gettext test broken.])
-       AC_MSG_WARN([Trying gcc, cross fingers.])
-       AC_LANG_PUSH(C)
-    fi
     AC_CHECK_LIB(intl, gettext)
     AC_CHECK_FUNCS(gettext)
-    if test -n "$GCC_UNSUPPORTED"; then
-       AC_LANG_POP(C)
-    fi
 ])
 
 
 AC_DEFUN(STEPMAKE_GUILE, [
-    STEPMAKE_PATH_PROG(GUILE, guile, $1)
+    STEPMAKE_PATH_PROG(GUILE, guile guile1, $1)
 ])
 
 
@@ -566,7 +605,7 @@ AC_DEFUN(STEPMAKE_GUILE_DEVEL, [
     test -n "$target_alias" && target_guile_config=$target_alias-guile-config
     test -n "$host_alias" && host_guile_config=$host_alias-guile-config
     AC_MSG_CHECKING([for guile-config])
-    for guile_config in $GUILE_CONFIG $target_guile_config $host_guile_config $build_guile_config guile-config; do
+    for guile_config in $GUILE_CONFIG $target_guile_config $host_guile_config $build_guile_config guile-config guile1-config; do
        AC_MSG_RESULT([$guile_config])
        if ! $guile_config --version > /dev/null 2>&1 ; then
            AC_MSG_WARN([cannot execute $guile_config])
@@ -579,7 +618,7 @@ AC_DEFUN(STEPMAKE_GUILE_DEVEL, [
     done
     STEPMAKE_OPTIONAL_REQUIRED(GUILE_CONFIG, $guile_config, $1)
     if test $? -ne 0; then
-        STEPMAKE_ADD_ENTRY($1, 'guile-config (guile-devel, guile-dev or libguile-dev package)')
+        STEPMAKE_ADD_ENTRY($1, 'guile-config (guile-devel, guile-dev or libguile-dev package) or guile1-config (guile1-devel package)')
     fi 
 
     STEPMAKE_CHECK_SEARCH_RESULT(GUILE_CONFIG)
@@ -622,19 +661,30 @@ AC_DEFUN(STEPMAKE_DLOPEN, [
     AC_CHECK_FUNCS(dlopen)
 ])
 
-AC_DEFUN(STEPMAKE_GXX, [
-    if test "$GXX" = "yes"; then
-        STEPMAKE_CHECK_VERSION(CXX, $1, $2)
-    else
-       warn="$CXX (Please install *GNU* c++)"
-       STEPMAKE_ADD_ENTRY($1, $warn)
+AC_DEFUN(STEPMAKE_HAS_CLANG, [
+    AC_EGREP_CPP(yes,
+      [#ifdef __clang__
+       yes
+       #endif
+      ], HAS_CLANG=yes, HAS_CLANG=no)
+])
+
+AC_DEFUN(STEPMAKE_GXX_OR_CLANG, [
+    STEPMAKE_HAS_CLANG()
+    if test "$HAS_CLANG" = "no"; then
+        if test "$GXX" = "yes"; then
+            STEPMAKE_CHECK_VERSION(CXX, $1, $2)
+        else
+           warn="$CXX (Please install *GNU* c++)"
+           STEPMAKE_ADD_ENTRY($1, $warn)
+        fi
     fi
+    # no else, we're fine with any clang
 ])
 
 
 AC_DEFUN(STEPMAKE_INIT, [
 
-    AC_PREREQ(2.50)
     . $srcdir/VERSION
     FULL_VERSION=$MAJOR_VERSION.$MINOR_VERSION.$PATCH_LEVEL
     MICRO_VERSION=$PATCH_LEVEL
@@ -756,8 +806,9 @@ AC_DEFUN(STEPMAKE_INIT, [
 
     CONFIGSUFFIX=
     AC_ARG_ENABLE(config,
-    [  --enable-config=CONF    put settings in config-CONF.make and config-CONF.h;
-                            do `make conf=CONF' to get output in ./out-CONF],
+    [AS_HELP_STRING([--enable-config=CONF],
+                    [put settings in config-CONF.make and config-CONF.h;
+                   do `make conf=CONF' to get output in ./out-CONF])],
     [CONFIGURATION=$enableval])
 
     ##'`#
@@ -848,12 +899,14 @@ AC_DEFUN(STEPMAKE_LOCALE, [
 
     # with/enable ??
     AC_ARG_WITH(localedir,
-    [  --with-localedir=DIR    location of locales.  Default: PREFIX/share/locale ],
+    [AS_HELP_STRING([--with-localedir=DIR],
+                    [location of locales.  Default: PREFIX/share/locale])],
     localedir=$with_localedir,
     localedir='${prefix}/share/locale')
 
     AC_ARG_WITH(lang,
-    [  --with-lang=LANG        use LANG as language to emit messages],
+    [AS_HELP_STRING([--with-lang=LANG],
+                    [use LANG as language to emit messages])],
     language=$with_lang,
     language=English)
 
@@ -903,7 +956,7 @@ AC_DEFUN(STEPMAKE_PATH_PROG, [
     AC_CHECK_PROGS($1, $2, no)
     STEPMAKE_OPTIONAL_REQUIRED($1, $2, $3)
     if test $? -eq 0; then
-       AC_PATH_PROG($1, $2)
+       AC_PATH_PROGS($1, $2)
        if test -n "$4"; then
            STEPMAKE_CHECK_VERSION($1, $3, $4)
        fi
@@ -957,30 +1010,36 @@ AC_DEFUN(STEPMAKE_PYTHON, [
 
 AC_DEFUN(STEPMAKE_PYTHON_DEVEL, [
     AC_ARG_WITH(python-include,
-       [  --with-python-include=DIR
-                         location of the python include dir],[
-           if test "$withval" = "yes" -o "$withval" = "no"; then
-               AC_MSG_WARN(Usage: --with-python-include=includedir)
-           else
-               PYTHON_CFLAGS="-I${withval}"
-           fi
-           ])
+       [AS_HELP_STRING([--with-python-include=DIR],
+                       [location of the python include dir])],[
+       if test "$withval" = "yes" -o "$withval" = "no"; then
+           AC_MSG_WARN(Usage: --with-python-include=includedir)
+       else
+           PYTHON_CFLAGS="-I${withval}"
+       fi
+    ])
     
     AC_ARG_WITH(python-lib,
-       [  --with-python-lib=NAME  name of the python lib],[
-           if test "$withval" = "yes" -o "$withval" = "no"; then
-               AC_MSG_WARN(Usage: --with-python-lib=name)
-           else
-               LDFLAGS="$LDFLAGS -l${withval}"
-           fi
-           ])
+       [AS_HELP_STRING([--with-python-lib=NAME],
+                       [name of the python lib])],[
+       if test "$withval" = "yes" -o "$withval" = "no"; then
+           AC_MSG_WARN(Usage: --with-python-lib=name)
+       else
+           LDFLAGS="$LDFLAGS -l${withval}"
+       fi
+    ])
     
     AC_CHECK_PROGS(PYTHON_CONFIG, python-config, no)
 
     if test -z "$PYTHON_CFLAGS" -a "$PYTHON_CONFIG" != "no"; then
         # Clean out junk: http://bugs.python.org/issue3290
        # Python headers may need some -f* flags, leave them in.
-       PYTHON_CFLAGS=`$PYTHON_CONFIG --cflags | sed -e 's/ -\(W\|D\|O\|m\)\(\w\|-\|=\|,\)\+//g'`
+       # We want the sed commands to look like 's/-[WDOm][[:alnum:][:punct:]][[:alnum:][:punct:]]*//g' and 's/-arch [^[:space:]]*//g', but automake eats brackets.
+        #PYTHON_CFLAGS=`$PYTHON_CONFIG --cflags | sed -e 's/-[[WDOm]][[[:alnum:][:punct:]]][[[:alnum:][:punct:]]]*//g' | sed -e 's/-arch @<:@^@<:@:space:@:>@@:>@*//g'`
+        # The above sed BRE matches parts of legal options, stipping down part of that option, resulting in invalid gcc arguments. Gentoo Bug #415793
+        # For instance, '-floop-stip-mime' becomes '-floop-strip', and '-fvect-cost-model' becomes '-fvect-cost'.
+        # Tentative fix to require a non alphanumeric character before the initial hyphen of the BRE or the hyphen being the first character in the string.
+        PYTHON_CFLAGS=`$PYTHON_CONFIG --cflags | sed -e 's/\(^\|[[^[:alnum:]]]\)-[[WDOm]][[[:alnum:][:punct:]]][[[:alnum:][:punct:]]]*//g' | sed -e 's/-arch @<:@^@<:@:space:@:>@@:>@*//g'`
        PYTHON_LDFLAGS=`$PYTHON_CONFIG --ldflags`
     fi
     
@@ -1007,7 +1066,6 @@ AC_DEFUN(STEPMAKE_PYTHON_DEVEL, [
 
 
 AC_DEFUN(STEPMAKE_STL_DATA_METHOD, [
-    AC_LANG_PUSH(C++)
     AC_CACHE_CHECK([for stl.data () method],
        [stepmake_cv_stl_data_method],
        AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
@@ -1021,7 +1079,6 @@ void *p = v.data ();
     if test $stepmake_cv_stl_data_method = yes; then
        AC_DEFINE(HAVE_STL_DATA_METHOD, 1, [define if stl classes have data () method])
     fi
-    AC_LANG_POP(C++)
 ])
 
 
@@ -1033,7 +1090,6 @@ AC_DEFUN(STEPMAKE_TEXMF_DIRS, [
 AC_DEFUN(STEPMAKE_TEXMF, [
     STEPMAKE_PROGS(METAFONT, mf-nowin mf mfw mfont, $1)
     STEPMAKE_PROGS(METAPOST, mpost, $1)
-    # STEPMAKE_PROGS(INIMETAFONT, inimf inimfont "$METAFONT -ini", $1)
 
     AC_MSG_CHECKING(for working metafont mode)
     modelist='ljfour lj4 lj3 lj2 ljet laserjet'
@@ -1130,28 +1186,6 @@ AC_DEFUN(STEPMAKE_FREETYPE2, [
     fi
 ])
 
-AC_DEFUN(STEPMAKE_GTK2, [
-    PKG_CHECK_MODULES(GTK2, $1 >= $3, have_gtk2=yes, true)
-    if test "$have_gtk2" = yes ; then
-       AC_DEFINE(HAVE_GTK2)
-       # Do not pollute user-CPPFLAGS with configure-CPPFLAGS
-        save_CPPFLAGS="$CPPFLAGS"
-        save_LIBS="$LIBS"
-       CPPFLAGS="$GTK2_CFLAGS $CPPFLAGS"
-       LIBS="$GTK2_LIBS $LIBS"
-       AC_SUBST(GTK2_CFLAGS)
-       AC_SUBST(GTK2_LIBS)
-       CPPFLAGS="$save_CPPFLAGS"
-       LIBS="$save_LIBS"
-    else
-       # UGR
-       # r="lib$1-dev or $1-devel"
-       r="libgtk2.0-dev or gtk2-devel"
-       ver="`pkg-config --modversion $1`"
-       STEPMAKE_ADD_ENTRY($2, ["$r >= $3 (installed: $ver)"])
-    fi
-])
-
 AC_DEFUN(STEPMAKE_PANGO, [
     PKG_CHECK_MODULES(PANGO, $1 >= $3, have_pango16=yes, true)
     if test "$have_pango16" = yes ; then