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However, not all linkers need or support # --export-dynamic. # Strategy: we'll compile the following program into a shared library: # void function_from_main(); # void some_func() {func_from_main();} # Then we *independently* compile with the following program: # #include # void func_from_main() {} # int main() {return dlopen("libconftest_a.so",RTLD_NOW)==0;} # And we expect to be able to run the program successfully. # # first check if we need "-ldl" for dlopen() [Laura Marie Feeney suggests it's not needed for FreeBSD] save_CXXFLAGS=$CXXFLAGS save_LIBS=$LIBS CXXFLAGS="" LIBS="" { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen with CFLAGS=\"\" LIBS=\"\"" >&5 $as_echo_n "checking for dlopen with CFLAGS=\"\" LIBS=\"\"... 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You probably will not be able to dynamically load" >&5 $as_echo "$as_me: WARNING: libraries. You probably will not be able to dynamically load" >&2;} { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: simple modules or other extensions written in C++ into simulation" >&5 $as_echo "$as_me: WARNING: simple modules or other extensions written in C++ into simulation" >&2;} { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: programs like INET." >&5 $as_echo "$as_me: WARNING: programs like INET." >&2;} fi else # note: expected failure on MinGW, because there's no dlopen(). # fixing this would mean overturning and re-testing the whole configure script { $as_echo "$as_me:${as_lineno-$LINENO}: result: test failed" >&5 $as_echo "test failed" >&6; } fi rm -f conftest_a.* conftest_m.* libconftest_a.so conftest #---------------------- # Test for "-z allextract" (Sun) or "--whole-archive" (GNU) linker option, #---------------------- # Goal: to eliminate "silly linker problem", that is, to convince the linker # to include constructors of static C++ objects in statically linked libraries. # To test, we'll compile the following code into a static library: # #include # class A { public: A() {printf("=WORKS=");} }; # static A a; # Then we link it with the following program: # int main() {return 0;} # And check if the executable prints '=WORKS=' when run. # { $as_echo "$as_me:${as_lineno-$LINENO}: checking for flags needed to link with static libs containing simple modules" >&5 $as_echo_n "checking for flags needed to link with static libs containing simple modules... 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"cannot use X directory names containing '" "$LINENO" 5;; #( *,NONE | NONE,*) if ${ac_cv_have_x+:} false; then : $as_echo_n "(cached) " >&6 else # One or both of the vars are not set, and there is no cached value. ac_x_includes=no ac_x_libraries=no rm -f -r conftest.dir if mkdir conftest.dir; then cd conftest.dir cat >Imakefile <<'_ACEOF' incroot: @echo incroot='${INCROOT}' usrlibdir: @echo usrlibdir='${USRLIBDIR}' libdir: @echo libdir='${LIBDIR}' _ACEOF if (export CC; ${XMKMF-xmkmf}) >/dev/null 2>/dev/null && test -f Makefile; then # GNU make sometimes prints "make[1]: Entering ...", which would confuse us. for ac_var in incroot usrlibdir libdir; do eval "ac_im_$ac_var=\`\${MAKE-make} $ac_var 2>/dev/null | sed -n 's/^$ac_var=//p'\`" done # Open Windows xmkmf reportedly sets LIBDIR instead of USRLIBDIR. for ac_extension in a so sl dylib la dll; do if test ! -f "$ac_im_usrlibdir/libX11.$ac_extension" && test -f "$ac_im_libdir/libX11.$ac_extension"; then ac_im_usrlibdir=$ac_im_libdir; break fi done # Screen out bogus values from the imake configuration. They are # bogus both because they are the default anyway, and because # using them would break gcc on systems where it needs fixed includes. case $ac_im_incroot in /usr/include) ac_x_includes= ;; *) test -f "$ac_im_incroot/X11/Xos.h" && ac_x_includes=$ac_im_incroot;; esac case $ac_im_usrlibdir in /usr/lib | /usr/lib64 | /lib | /lib64) ;; *) test -d "$ac_im_usrlibdir" && ac_x_libraries=$ac_im_usrlibdir ;; esac fi cd .. rm -f -r conftest.dir fi # Standard set of common directories for X headers. # Check X11 before X11Rn because it is often a symlink to the current release. ac_x_header_dirs=' /usr/X11/include /usr/X11R7/include /usr/X11R6/include /usr/X11R5/include /usr/X11R4/include /usr/include/X11 /usr/include/X11R7 /usr/include/X11R6 /usr/include/X11R5 /usr/include/X11R4 /usr/local/X11/include /usr/local/X11R7/include /usr/local/X11R6/include /usr/local/X11R5/include /usr/local/X11R4/include /usr/local/include/X11 /usr/local/include/X11R7 /usr/local/include/X11R6 /usr/local/include/X11R5 /usr/local/include/X11R4 /usr/X386/include /usr/x386/include /usr/XFree86/include/X11 /usr/include /usr/local/include /usr/unsupported/include /usr/athena/include /usr/local/x11r5/include /usr/lpp/Xamples/include /usr/openwin/include /usr/openwin/share/include' if test "$ac_x_includes" = no; then # Guess where to find include files, by looking for Xlib.h. # First, try using that file with no special directory specified. cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include _ACEOF if ac_fn_cxx_try_cpp "$LINENO"; then : # We can compile using X headers with no special include directory. ac_x_includes= else for ac_dir in $ac_x_header_dirs; do if test -r "$ac_dir/X11/Xlib.h"; then ac_x_includes=$ac_dir break fi done fi rm -f conftest.err conftest.i conftest.$ac_ext fi # $ac_x_includes = no if test "$ac_x_libraries" = no; then # Check for the libraries. # See if we find them without any special options. # Don't add to $LIBS permanently. ac_save_LIBS=$LIBS LIBS="-lX11 $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main () { XrmInitialize () ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO"; then : LIBS=$ac_save_LIBS # We can link X programs with no special library path. ac_x_libraries= else LIBS=$ac_save_LIBS for ac_dir in `$as_echo "$ac_x_includes $ac_x_header_dirs" | sed s/include/lib/g` do # Don't even attempt the hair of trying to link an X program! for ac_extension in a so sl dylib la dll; do if test -r "$ac_dir/libX11.$ac_extension"; then ac_x_libraries=$ac_dir break 2 fi done done fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext fi # $ac_x_libraries = no case $ac_x_includes,$ac_x_libraries in #( no,* | *,no | *\'*) # Didn't find X, or a directory has "'" in its name. ac_cv_have_x="have_x=no";; #( *) # Record where we found X for the cache. ac_cv_have_x="have_x=yes\ ac_x_includes='$ac_x_includes'\ ac_x_libraries='$ac_x_libraries'" esac fi ;; #( *) have_x=yes;; esac eval "$ac_cv_have_x" fi # $with_x != no if test "$have_x" != yes; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_x" >&5 $as_echo "$have_x" >&6; } no_x=yes else # If each of the values was on the command line, it overrides each guess. test "x$x_includes" = xNONE && x_includes=$ac_x_includes test "x$x_libraries" = xNONE && x_libraries=$ac_x_libraries # Update the cache value to reflect the command line values. ac_cv_have_x="have_x=yes\ ac_x_includes='$x_includes'\ ac_x_libraries='$x_libraries'" { $as_echo "$as_me:${as_lineno-$LINENO}: result: libraries $x_libraries, headers $x_includes" >&5 $as_echo "libraries $x_libraries, headers $x_includes" >&6; } fi if test "$no_x" = "yes"; then opp_x11inc= opp_x11lib= else if test -n "$x_includes"; then opp_x11inc="-I$x_includes" fi if test -n "$x_libraries"; then opp_x11lib="-L$x_libraries -lX11" fi fi fi if test $tcltk_ok = no; then save_CXXFLAGS=$CXXFLAGS save_LIBS=$LIBS CXXFLAGS="$CFLAGS $opp_x11inc $TK_CFLAGS86" LIBS="$opp_x11lib -ltk86 -ltcl86" { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Tcl/Tk 8.6 with CFLAGS=\"$CFLAGS $opp_x11inc $TK_CFLAGS86\" LIBS=\"$opp_x11lib -ltk86 -ltcl86\"" >&5 $as_echo_n "checking for Tcl/Tk 8.6 with CFLAGS=\"$CFLAGS $opp_x11inc $TK_CFLAGS86\" LIBS=\"$opp_x11lib -ltk86 -ltcl86\"... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main () { Tk_MainLoop(); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO"; then : { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 $as_echo "yes" >&6; }; tcltk_ok=yes; TK_LIBS="$opp_x11lib -ltk86 -ltcl86" TK_CFLAGS="$opp_x11inc $TK_CFLAGS86" else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; }; tcltk_ok=no; fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext CXXFLAGS=$save_CXXFLAGS LIBS=$save_LIBS fi if test $tcltk_ok = no; then save_CXXFLAGS=$CXXFLAGS save_LIBS=$LIBS CXXFLAGS="$CFLAGS $opp_x11inc $TK_CFLAGS86" LIBS="$opp_x11lib -ltk8.6 -ltcl8.6" { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Tcl/Tk 8.6 with CFLAGS=\"$CFLAGS $opp_x11inc $TK_CFLAGS86\" LIBS=\"$opp_x11lib -ltk8.6 -ltcl8.6\"" >&5 $as_echo_n "checking for Tcl/Tk 8.6 with CFLAGS=\"$CFLAGS $opp_x11inc $TK_CFLAGS86\" LIBS=\"$opp_x11lib -ltk8.6 -ltcl8.6\"... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main () { Tk_MainLoop(); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO"; then : { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 $as_echo "yes" >&6; }; tcltk_ok=yes; TK_LIBS="$opp_x11lib -ltk8.6 -ltcl8.6" TK_CFLAGS="$opp_x11inc $TK_CFLAGS86" else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; }; tcltk_ok=no; fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext CXXFLAGS=$save_CXXFLAGS LIBS=$save_LIBS fi # check for 8.5 if test $tcltk_ok = no; then save_CXXFLAGS=$CXXFLAGS save_LIBS=$LIBS CXXFLAGS="$CFLAGS $opp_x11inc $TK_CFLAGS85" LIBS="$opp_x11lib -ltk85 -ltcl85" { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Tcl/Tk 8.5 with CFLAGS=\"$CFLAGS $opp_x11inc $TK_CFLAGS85\" LIBS=\"$opp_x11lib -ltk85 -ltcl85\"" >&5 $as_echo_n "checking for Tcl/Tk 8.5 with CFLAGS=\"$CFLAGS $opp_x11inc $TK_CFLAGS85\" LIBS=\"$opp_x11lib -ltk85 -ltcl85\"... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main () { Tk_MainLoop(); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO"; then : { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 $as_echo "yes" >&6; }; tcltk_ok=yes; TK_LIBS="$opp_x11lib -ltk85 -ltcl85" TK_CFLAGS="$opp_x11inc $TK_CFLAGS85" else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; }; tcltk_ok=no; fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext CXXFLAGS=$save_CXXFLAGS LIBS=$save_LIBS fi if test $tcltk_ok = no; then save_CXXFLAGS=$CXXFLAGS save_LIBS=$LIBS CXXFLAGS="$CFLAGS $opp_x11inc $TK_CFLAGS85" LIBS="$opp_x11lib -ltk8.5 -ltcl8.5" { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Tcl/Tk 8.5 with CFLAGS=\"$CFLAGS $opp_x11inc $TK_CFLAGS85\" LIBS=\"$opp_x11lib -ltk8.5 -ltcl8.5\"" >&5 $as_echo_n "checking for Tcl/Tk 8.5 with CFLAGS=\"$CFLAGS $opp_x11inc $TK_CFLAGS85\" LIBS=\"$opp_x11lib -ltk8.5 -ltcl8.5\"... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main () { Tk_MainLoop(); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO"; then : { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 $as_echo "yes" >&6; }; tcltk_ok=yes; TK_LIBS="$opp_x11lib -ltk8.5 -ltcl8.5" TK_CFLAGS="$opp_x11inc $TK_CFLAGS85" else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; }; tcltk_ok=no; fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext CXXFLAGS=$save_CXXFLAGS LIBS=$save_LIBS fi fi if test $tcltk_ok = no; then # try to give a hint in the error message about the problem if test "$no_x" = "yes"; then as_fn_error $? "Cannot build Tcl/Tk apps, probably due to misconfigured or missing X11 headers or libs. Check config.log for more info!" "$LINENO" 5 else as_fn_error $? "Tcl/Tk not found, needed for all GUI parts. Version 8.6.0+ and devel package required. Check config.log for more info!" "$LINENO" 5 fi fi # Check for wish. for ac_prog in $WISH wish wish86 wish8.6 wish85 wish8.5 do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_WISH+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$WISH"; then ac_cv_prog_WISH="$WISH" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_WISH="$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi WISH=$ac_cv_prog_WISH if test -n "$WISH"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $WISH" >&5 $as_echo "$WISH" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi test -n "$WISH" && break done test -n "$WISH" || WISH="nope" if test "$WISH" = nope; then as_fn_error $? "Cannot find wish, part of Tcl/Tk -- maybe it is not in the PATH or has some exotic name (tested names were: wish wish86 wish8.6 wish85 wish8.5)" "$LINENO" 5 fi if echo 'puts OK; exit' | $WISH | grep OK >/dev/null; then :; else as_fn_error $? "Cannot run wish (wish command \"puts OK; exit\" failed): maybe you are not running X or DISPLAY environment variable not set?" "$LINENO" 5 fi if echo 'catch {package require Tk 8.5; puts OK}; exit' | $WISH | grep OK >/dev/null; then :; else as_fn_error $? "wish command \"package require Tk 8.5\" failed: your Tcl/Tk installation is likely too old, version 8.5.0+ is required" "$LINENO" 5 fi # note: square brackets necessary otherwise M4 messes up the Tcl command tcl_library=`echo 'puts [info library]; exit' | $WISH` # if we got through until here, enable building of the following progs: fi # end of Tcl tests ($WITH_TKENV branch) #---------------------- # Check for JRE #---------------------- for ac_prog in $JRE java do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_JRE+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$JRE"; then ac_cv_prog_JRE="$JRE" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_JRE="$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi JRE=$ac_cv_prog_JRE if test -n "$JRE"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $JRE" >&5 $as_echo "$JRE" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi test -n "$JRE" && break done test -n "$JRE" || JRE="nope" if test "$JRE" = nope; then for ac_prog in $PRIVATE_JRE java do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_PRIVATE_JRE+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$PRIVATE_JRE"; then ac_cv_prog_PRIVATE_JRE="$PRIVATE_JRE" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in `pwd`/ide/jre/bin do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_PRIVATE_JRE="$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi PRIVATE_JRE=$ac_cv_prog_PRIVATE_JRE if test -n "$PRIVATE_JRE"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PRIVATE_JRE" >&5 $as_echo "$PRIVATE_JRE" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi test -n "$PRIVATE_JRE" && break done test -n "$PRIVATE_JRE" || PRIVATE_JRE="nope" if test "$PRIVATE_JRE" = nope; then OPP_PROBLEM_PACKAGES="$OPP_PROBLEM_PACKAGES JRE (recommended)" { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Cannot find a suitable Java Runtime Environment - The IDE requires JRE 1.8 or later. Please install it before configuring" >&5 $as_echo "$as_me: WARNING: Cannot find a suitable Java Runtime Environment - The IDE requires JRE 1.8 or later. Please install it before configuring" >&2;} fi fi #---------------------- # Check for JDK #---------------------- if test "$JAVA_CFLAGS" = ""; then if test "$JDK" = ""; then javahome_candidates="/usr/lib/jvm/java /usr/lib/jvm/default-java /usr/java/jdk /Library/Java/Home" for dir in $javahome_candidates; do if test "$JAVA_HOME" = "" -a -d "$dir"; then JAVA_HOME=$dir fi done else JAVA_HOME=$JDK fi if test "$JAVA_HOME" = ""; then { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: JAVA_HOME variable not set." >&5 $as_echo "$as_me: WARNING: JAVA_HOME variable not set." >&2;} else if test "$PLATFORM" = "macosx"; then JAVA_CFLAGS="-I/System/Library/Frameworks/JavaVM.framework/Headers" JAVA_LIBS="" else JAVA_CFLAGS="-fno-strict-aliasing -I$JAVA_HOME/include -I$JAVA_HOME/include/$jni_platform" JAVA_LIBS="-L$JAVA_HOME/jre/lib/i386/client -Wl,-rpath,$JAVA_HOME/jre/lib/i386/client:. -ljvm" fi fi fi save_CXXFLAGS=$CXXFLAGS CXXFLAGS="$CFLAGS $JAVA_CFLAGS" { $as_echo "$as_me:${as_lineno-$LINENO}: checking for JNI with CFLAGS=\"$CFLAGS $JAVA_CFLAGS\"" >&5 $as_echo_n "checking for JNI with CFLAGS=\"$CFLAGS $JAVA_CFLAGS\"... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main () { JNI_GetCreatedJavaVMs(0,0,0); ; return 0; } _ACEOF if ac_fn_cxx_try_compile "$LINENO"; then : { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 $as_echo "yes" >&6; }; jni_ok=yes; else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; }; jni_ok=no; fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext CXXFLAGS=$save_CXXFLAGS if test "$jni_ok" = "no" -o "$SWIG" = "not found"; then JNILIBS_IF_POSSIBLE=missing-dependency else JNILIBS_IF_POSSIBLE=jnilibs fi #---------------------- # Check for MPI. #---------------------- if test "$WITH_PARSIM" = "yes"; then if test -n "$MPI_LIBS"; then save_CXXFLAGS=$CXXFLAGS save_LIBS=$LIBS CXXFLAGS="$CFLAGS $MPI_CFLAGS" LIBS="$LDFLAGS $MPI_LIBS" { $as_echo "$as_me:${as_lineno-$LINENO}: checking for MPI with CFLAGS=\"$CFLAGS $MPI_CFLAGS\" LIBS=\"$LDFLAGS $MPI_LIBS\"" >&5 $as_echo_n "checking for MPI with CFLAGS=\"$CFLAGS $MPI_CFLAGS\" LIBS=\"$LDFLAGS $MPI_LIBS\"... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main () { MPI_Init(0,0); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO"; then : { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 $as_echo "yes" >&6; }; mpi_ok=yes; else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; }; mpi_ok=no; fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext CXXFLAGS=$save_CXXFLAGS LIBS=$save_LIBS else mpi_ok=no # LAM and OpenMPI support mpic++ -showme # NOTE: on some systems (e.g. RHEL and Fedora), "module load openmpi_i386" or similar command may be additionally needed to make MPI accessible # Extract the first word of "mpic++", so it can be a program name with args. set dummy mpic++; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_MPICPP+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$MPICPP"; then ac_cv_prog_MPICPP="$MPICPP" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_MPICPP="mpic++" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS test -z "$ac_cv_prog_MPICPP" && ac_cv_prog_MPICPP="not found" fi fi MPICPP=$ac_cv_prog_MPICPP if test -n "$MPICPP"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MPICPP" >&5 $as_echo "$MPICPP" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "$MPICPP" != "not found"; then MPI_CFLAGS=`mpic++ -showme:compile` MPI_LIBS=`mpic++ -showme:link` save_CXXFLAGS=$CXXFLAGS save_LIBS=$LIBS CXXFLAGS="$CFLAGS $MPI_CFLAGS" LIBS="$LDFLAGS $MPI_LIBS" { $as_echo "$as_me:${as_lineno-$LINENO}: checking for MPI with CFLAGS=\"$CFLAGS $MPI_CFLAGS\" LIBS=\"$LDFLAGS $MPI_LIBS\"" >&5 $as_echo_n "checking for MPI with CFLAGS=\"$CFLAGS $MPI_CFLAGS\" LIBS=\"$LDFLAGS $MPI_LIBS\"... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main () { MPI_Init(0,0); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO"; then : { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 $as_echo "yes" >&6; }; mpi_ok=yes; else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; }; mpi_ok=no; fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext CXXFLAGS=$save_CXXFLAGS LIBS=$save_LIBS fi if test $mpi_ok = no; then # MPICH2 has mpicxx -compile-info and -link-info, slightly broken # (both print the same string, which includes the compiler name too) # Extract the first word of "mpicxx", so it can be a program name with args. set dummy mpicxx; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } if ${ac_cv_prog_MPICXX+:} false; then : $as_echo_n "(cached) " >&6 else if test -n "$MPICXX"; then ac_cv_prog_MPICXX="$MPICXX" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then ac_cv_prog_MPICXX="mpicxx" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS test -z "$ac_cv_prog_MPICXX" && ac_cv_prog_MPICXX="not found" fi fi MPICXX=$ac_cv_prog_MPICXX if test -n "$MPICXX"; then { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MPICXX" >&5 $as_echo "$MPICXX" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi if test "$MPICXX" != "not found"; then MPI_CFLAGS=`mpicxx -c -compile-info | sed 's/^^ *//'` MPI_LIBS=`mpicxx -link-info | sed 's/^^ *//'` save_CXXFLAGS=$CXXFLAGS save_LIBS=$LIBS CXXFLAGS="$CFLAGS $MPI_CFLAGS" LIBS="$LDFLAGS $MPI_LIBS" { $as_echo "$as_me:${as_lineno-$LINENO}: checking for MPI with CFLAGS=\"$CFLAGS $MPI_CFLAGS\" LIBS=\"$LDFLAGS $MPI_LIBS\"" >&5 $as_echo_n "checking for MPI with CFLAGS=\"$CFLAGS $MPI_CFLAGS\" LIBS=\"$LDFLAGS $MPI_LIBS\"... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main () { MPI_Init(0,0); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO"; then : { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 $as_echo "yes" >&6; }; mpi_ok=yes; else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; }; mpi_ok=no; fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext CXXFLAGS=$save_CXXFLAGS LIBS=$save_LIBS fi fi if test $mpi_ok = no; then mpilibs="-lmpi" #SGI and mingw (on MinGW modify mpi.h and insert #include at the top of the file) save_CXXFLAGS=$CXXFLAGS save_LIBS=$LIBS CXXFLAGS="$CFLAGS $MPI_CFLAGS" LIBS="$LDFLAGS $mpilibs" { $as_echo "$as_me:${as_lineno-$LINENO}: checking for MPI with CFLAGS=\"$CFLAGS $MPI_CFLAGS\" LIBS=\"$LDFLAGS $mpilibs\"" >&5 $as_echo_n "checking for MPI with CFLAGS=\"$CFLAGS $MPI_CFLAGS\" LIBS=\"$LDFLAGS $mpilibs\"... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main () { MPI_Init(0,0); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO"; then : { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 $as_echo "yes" >&6; }; mpi_ok=yes; MPI_LIBS="$mpilibs" else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; }; mpi_ok=no; fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext CXXFLAGS=$save_CXXFLAGS LIBS=$save_LIBS fi fi if test $mpi_ok = yes; then DEFINES="$DEFINES -DWITH_MPI" else MPI_LIBS="" MPI_CFLAGS="" OPP_PROBLEM_PACKAGES="$OPP_PROBLEM_PACKAGES MPI (optional)" { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Optional package MPI (needed for parallel simulation) not found." >&5 $as_echo "$as_me: WARNING: Optional package MPI (needed for parallel simulation) not found." >&2;} fi fi #---------------------- # Check for PTHREAD. # On MinGW/gcc, add "-mthread" to PTHREAD_CFLAGS and PTHREAD_LIBS to force using # the multithreaded standard libraries. #---------------------- if test -n "$PTHREAD_LIBS"; then save_CXXFLAGS=$CXXFLAGS save_LIBS=$LIBS CXXFLAGS="$CFLAGS $PTHREAD_CFLAGS" LIBS="$PTHREAD_LIBS" { $as_echo "$as_me:${as_lineno-$LINENO}: checking for PTHREAD with CFLAGS=\"$CFLAGS $PTHREAD_CFLAGS\" LIBS=\"$PTHREAD_LIBS\"" >&5 $as_echo_n "checking for PTHREAD with CFLAGS=\"$CFLAGS $PTHREAD_CFLAGS\" LIBS=\"$PTHREAD_LIBS\"... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main () { pthread_rwlock_rdlock(0); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO"; then : { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 $as_echo "yes" >&6; }; pthread_ok=yes; else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; }; pthread_ok=no; fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext CXXFLAGS=$save_CXXFLAGS LIBS=$save_LIBS else PTHREAD_LIBS="-lpthread" save_CXXFLAGS=$CXXFLAGS save_LIBS=$LIBS CXXFLAGS="$CFLAGS $PTHREAD_CFLAGS" LIBS="$PTHREAD_LIBS" { $as_echo "$as_me:${as_lineno-$LINENO}: checking for PTHREAD with CFLAGS=\"$CFLAGS $PTHREAD_CFLAGS\" LIBS=\"$PTHREAD_LIBS\"" >&5 $as_echo_n "checking for PTHREAD with CFLAGS=\"$CFLAGS $PTHREAD_CFLAGS\" LIBS=\"$PTHREAD_LIBS\"... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main () { pthread_rwlock_rdlock(0); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO"; then : { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 $as_echo "yes" >&6; }; pthread_ok=yes; else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; }; pthread_ok=no; fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext CXXFLAGS=$save_CXXFLAGS LIBS=$save_LIBS fi if test $pthread_ok = yes; then if test "$mingw" = yes; then if test "$CC" = gcc; then PTHREAD_CFLAGS="$PTHREAD_CFLAGS -mthreads" # add mthread only for GCC but not for clang fi PTHREAD_LIBS="$PTHREAD_LIBS -mthreads" fi else PTHREAD_CFLAGS="" PTHREAD_LIBS="" fi #---------------------- # Check for XML parsers: EXPAT and/or LIBXML #---------------------- if test -n "$LIBXML_LIBS"; then save_CXXFLAGS=$CXXFLAGS save_LIBS=$LIBS CXXFLAGS="$CFLAGS $LIBXML_CFLAGS" LIBS="$LIBXML_LIBS" { $as_echo "$as_me:${as_lineno-$LINENO}: checking for LibXML XML parser with CFLAGS=\"$CFLAGS $LIBXML_CFLAGS\" LIBS=\"$LIBXML_LIBS\"" >&5 $as_echo_n "checking for LibXML XML parser with CFLAGS=\"$CFLAGS $LIBXML_CFLAGS\" LIBS=\"$LIBXML_LIBS\"... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main () { xmlInitParser(); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO"; then : { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 $as_echo "yes" >&6; }; libxml_ok=yes; else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; }; libxml_ok=no; fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext CXXFLAGS=$save_CXXFLAGS LIBS=$save_LIBS else save_CXXFLAGS=$CXXFLAGS save_LIBS=$LIBS CXXFLAGS="$CFLAGS $LIBXML_CFLAGS" LIBS="-lxml2" { $as_echo "$as_me:${as_lineno-$LINENO}: checking for LibXML XML parser with CFLAGS=\"$CFLAGS $LIBXML_CFLAGS\" LIBS=\"-lxml2\"" >&5 $as_echo_n "checking for LibXML XML parser with CFLAGS=\"$CFLAGS $LIBXML_CFLAGS\" LIBS=\"-lxml2\"... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main () { xmlInitParser(); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO"; then : { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 $as_echo "yes" >&6; }; libxml_ok=yes; LIBXML_LIBS="-lxml2" else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; }; libxml_ok=no; fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext CXXFLAGS=$save_CXXFLAGS LIBS=$save_LIBS if test $libxml_ok = no; then save_CXXFLAGS=$CXXFLAGS save_LIBS=$LIBS CXXFLAGS="$CFLAGS -I/usr/include/libxml2" LIBS="-lxml2" { $as_echo "$as_me:${as_lineno-$LINENO}: checking for LibXML XML parser with CFLAGS=\"$CFLAGS -I/usr/include/libxml2\" LIBS=\"-lxml2\"" >&5 $as_echo_n "checking for LibXML XML parser with CFLAGS=\"$CFLAGS -I/usr/include/libxml2\" LIBS=\"-lxml2\"... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main () { xmlInitParser(); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO"; then : { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 $as_echo "yes" >&6; }; libxml_ok=yes; LIBXML_CFLAGS="-I/usr/include/libxml2" LIBXML_LIBS="-lxml2" else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; }; libxml_ok=no; fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext CXXFLAGS=$save_CXXFLAGS LIBS=$save_LIBS fi # test also in the /mingw32 directory because on MSYS2 this is the default if test $libxml_ok = no; then save_CXXFLAGS=$CXXFLAGS save_LIBS=$LIBS CXXFLAGS="$CFLAGS -I/mingw32/include/libxml2" LIBS="-lxml2" { $as_echo "$as_me:${as_lineno-$LINENO}: checking for LibXML XML parser with CFLAGS=\"$CFLAGS -I/mingw32/include/libxml2\" LIBS=\"-lxml2\"" >&5 $as_echo_n "checking for LibXML XML parser with CFLAGS=\"$CFLAGS -I/mingw32/include/libxml2\" LIBS=\"-lxml2\"... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main () { xmlInitParser(); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO"; then : { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 $as_echo "yes" >&6; }; libxml_ok=yes; LIBXML_CFLAGS="-I/mingw32/include/libxml2" LIBXML_LIBS="-lxml2" else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; }; libxml_ok=no; fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext CXXFLAGS=$save_CXXFLAGS LIBS=$save_LIBS fi if test $libxml_ok = no; then save_CXXFLAGS=$CXXFLAGS save_LIBS=$LIBS CXXFLAGS="$CFLAGS -I/mingw64/include/libxml2" LIBS="-lxml2" { $as_echo "$as_me:${as_lineno-$LINENO}: checking for LibXML XML parser with CFLAGS=\"$CFLAGS -I/mingw64/include/libxml2\" LIBS=\"-lxml2\"" >&5 $as_echo_n "checking for LibXML XML parser with CFLAGS=\"$CFLAGS -I/mingw64/include/libxml2\" LIBS=\"-lxml2\"... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main () { xmlInitParser(); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO"; then : { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 $as_echo "yes" >&6; }; libxml_ok=yes; LIBXML_CFLAGS="-I/mingw64/include/libxml2" LIBXML_LIBS="-lxml2" else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; }; libxml_ok=no; fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext CXXFLAGS=$save_CXXFLAGS LIBS=$save_LIBS fi # msys/visualc version if test $libxml_ok = no; then save_CXXFLAGS=$CXXFLAGS save_LIBS=$LIBS CXXFLAGS="$CFLAGS_ARCH $CFLAGS -I/visualc/include/libxml2" LIBS="$LDFLAGS_ARCH -llibxml2" { $as_echo "$as_me:${as_lineno-$LINENO}: checking for LibXML XML parser with CFLAGS=\"$CFLAGS_ARCH $CFLAGS -I/visualc/include/libxml2\" LIBS=\"$LDFLAGS_ARCH -llibxml2\"" >&5 $as_echo_n "checking for LibXML XML parser with CFLAGS=\"$CFLAGS_ARCH $CFLAGS -I/visualc/include/libxml2\" LIBS=\"$LDFLAGS_ARCH -llibxml2\"... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main () { xmlInitParser(); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO"; then : { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 $as_echo "yes" >&6; }; libxml_ok=yes; LIBXML_CFLAGS="-I/visualc/include/libxml2" LIBXML_LIBS="-llibxml2" else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; }; libxml_ok=no; fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext CXXFLAGS=$save_CXXFLAGS LIBS=$save_LIBS fi fi expat_ok=no if test $libxml_ok = no; then if test -n "$EXPAT_LIBS"; then save_CXXFLAGS=$CXXFLAGS save_LIBS=$LIBS CXXFLAGS="$CFLAGS $EXPAT_CFLAGS" LIBS="$EXPAT_LIBS" { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Expat XML parser with CFLAGS=\"$CFLAGS $EXPAT_CFLAGS\" LIBS=\"$EXPAT_LIBS\"" >&5 $as_echo_n "checking for Expat XML parser with CFLAGS=\"$CFLAGS $EXPAT_CFLAGS\" LIBS=\"$EXPAT_LIBS\"... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main () { XML_ParserCreate(0); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO"; then : { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 $as_echo "yes" >&6; }; expat_ok=yes; else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; }; expat_ok=no; fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext CXXFLAGS=$save_CXXFLAGS LIBS=$save_LIBS else expatlibs="-lexpat" save_CXXFLAGS=$CXXFLAGS save_LIBS=$LIBS CXXFLAGS="$CFLAGS $EXPAT_CFLAGS" LIBS="$expatlibs" { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Expat XML parser with CFLAGS=\"$CFLAGS $EXPAT_CFLAGS\" LIBS=\"$expatlibs\"" >&5 $as_echo_n "checking for Expat XML parser with CFLAGS=\"$CFLAGS $EXPAT_CFLAGS\" LIBS=\"$expatlibs\"... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main () { XML_ParserCreate(0); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO"; then : { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 $as_echo "yes" >&6; }; expat_ok=yes; EXPAT_LIBS=$expatlibs else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; }; expat_ok=no; fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext CXXFLAGS=$save_CXXFLAGS LIBS=$save_LIBS fi fi if test $libxml_ok = yes; then { $as_echo "$as_me:${as_lineno-$LINENO}: Using LibXML for XML parsing" >&5 $as_echo "$as_me: Using LibXML for XML parsing" >&6;} XMLPARSER=libxml XML_CFLAGS=$LIBXML_CFLAGS XML_LIBS=$LIBXML_LIBS elif test $expat_ok = yes; then { $as_echo "$as_me:${as_lineno-$LINENO}: Using Expat for XML parsing" >&5 $as_echo "$as_me: Using Expat for XML parsing" >&6;} { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: DTD validation is not supported with Expat, only with LibXML!" >&5 $as_echo "$as_me: WARNING: DTD validation is not supported with Expat, only with LibXML!" >&2;} XMLPARSER=expat XML_CFLAGS=$EXPAT_CFLAGS XML_LIBS=$EXPAT_LIBS else XMLPARSER=none OPP_PROBLEM_PACKAGES="$OPP_PROBLEM_PACKAGES LibXML/Expat" { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: No suitable XML parser found: no support for XML input" >&5 $as_echo "$as_me: WARNING: No suitable XML parser found: no support for XML input" >&2;} fi # zlib is required by the XML parsers and also Tcl/Tk (and also the TkPNG package inside Tkenv) if test $libxml_ok = yes -o $expat_ok = yes -o "$WITH_TKENV" = "yes" ; then if test "$ZLIB_LIBS" = ""; then ZLIB_LIBS=-lz fi save_CXXFLAGS=$CXXFLAGS save_LIBS=$LIBS CXXFLAGS="$CFLAGS $ZLIB_CFLAGS" LIBS="$ZLIB_LIBS" { $as_echo "$as_me:${as_lineno-$LINENO}: checking for zlib with CFLAGS=\"$CFLAGS $ZLIB_CFLAGS\" LIBS=\"$ZLIB_LIBS\"" >&5 $as_echo_n "checking for zlib with CFLAGS=\"$CFLAGS $ZLIB_CFLAGS\" LIBS=\"$ZLIB_LIBS\"... 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