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At least. ignore ignorable
[simgrid.git] / src / Makefile.am
index a99e461..8611ddf 100644 (file)
@@ -1,17 +1,22 @@
-AM_CFLAGS+= -g @GTNETS_CFLAGS@
+# Copyright (c) 2004-2007. The SimGrid team. All right reserved.
+
+# This file is part of the SimGrid project. This is free software:
+# You can redistribute and/or modify it under the terms of the
+# GNU LGPL (v2.1) licence.
+
+
 #AM_CFLAGS= -DNDEBUG 
 
 # -DNLOG   cuts absolutely all logs at compilation time.
 # -DNDEBUG cuts asserts and logs at "trace" and "debug" levels.
 
-# -g -ffast-math -funroll-loops -O3 -fno-strict-aliasing
-# Those should be added by configure when using gcc
-# fast-math is nasty when using IEEE floating point semantic
-# strict-aliasing breaks my type-punning bad habit.
 
 
 MAINTAINERCLEANFILES=Makefile.in
 INCLUDES= -I$(top_srcdir)/include -I$(top_srcdir)/src/include
+
+bin_SCRIPTS= smpi/smpicc smpi/smpirun
+
 EXTRA_DIST= \
         \
        portable.h \
@@ -26,8 +31,11 @@ EXTRA_DIST= \
        xbt/graphxml.l \
        xbt/graphxml.c \
        xbt/graphxml.dtd \
-        xbt/context_private.h \
+        xbt/xbt_context_private.h \
+        xbt/xbt_context_java.h \
+       xbt/log_private.h \
        xbt/ex_interface.h \
+        xbt/backtrace_linux.c xbt/backtrace_windows.c xbt/backtrace_dummy.c \
         \
        surf/maxmin_private.h \
        surf/trace_mgr_private.h \
@@ -36,31 +44,42 @@ EXTRA_DIST= \
        surf/workstation_private.h \
        surf/surf_timer_private.h \
        surf/surfxml_parse.c \
-       surf/surfxml.l \
-       surf/surfxml.c \
-       surf/surfxml.dtd \
+       surf/simgrid_dtd.l \
+       surf/simgrid_dtd.c \
+       surf/simgrid.dtd \
        surf/network_private.h \
-       surf/network_dassf_private.h \
-       surf/workstation_KCCFLN05_private.h \
+       surf/network_common.h \
+       surf/network_gtnets_private.h \
        \
        include/surf/maxmin.h \
        include/surf/trace_mgr.h \
        include/surf/surf.h \
        include/surf/surfxml_parse_private.h \
+       include/surf/random_mgr.h \
        \
-       include/xbt/xbt_portability.h \
-       include/xbt/xbt_os_thread.h \
+       include/xbt/wine_dbghelp.h \
        include/xbt/context.h \
+       include/xbt/xbt_os_time.h \
+       include/xbt/xbt_os_thread.h \
        \
        msg/private.h \
+       msg/mailbox.h \
        \
        simdag/private.h \
        \
+       gras/DataDesc/ddt_parse.yy.l \
+       gras/Virtu/virtu_rl.h \
+       gras/Virtu/virtu_sg.h \
+       gras/Virtu/virtu_interface.h \
+       gras/Virtu/virtu_private.h \
+       gras/Transport/transport_interface.h \
        amok/Bandwidth/bandwidth_private.h \
-       amok/amok_modinter.h
+       amok/amok_modinter.h \
+       \
+       include/simix/simix.h include/simix/datatypes.h \
+       simix/private.h \
        \
-       include/simix/simix.h include/simix/datatypes.h \
-       simix/msg_simix_private.h
+       smpi/private.h
 
 #LIBRARY_VERSION= 0:0:0
 #                 | | |
@@ -107,13 +126,13 @@ VERSION_INFO= -version-info 2:0:0
 
 XBT_SRC=\
   \
-  xbt/snprintf.c    xbt/xbt_str.c                                            \
+  xbt/snprintf.c    xbt/xbt_str.c xbt/xbt_strbuff.c  xbt/xbt_sha.c           \
   xbt/ex.c                                                                   \
   \
   xbt_modinter.h    gras_modinter.h                                          \
   xbt/xbt_virtu.c                                                            \
   \
-  xbt/sysdep.c                                                               \
+  xbt/xbt_os_time.c                                                          \
   xbt/asserts.c                                                              \
   xbt/log.c                    xbt/xbt_log_appender_file.c                   \
   xbt/xbt_log_layout_simple.c  xbt/xbt_log_layout_format.c                   \
@@ -127,28 +146,42 @@ XBT_SRC=\
   xbt/graph.c                                                                \
   xbt/set.c                                                                  \
   xbt/xbt_matrix.c                                                           \
+  \
+  xbt/xbt_queue.c                                                            \
+  \
   xbt/xbt_peer.c                                                             \
+  \
   xbt/xbt_main.c                                                             \
+  \
   xbt/config.c                                                               \
   xbt/cunit.c                                                                \
   xbt/graphxml_parse.c
 
 XBT_RL_SRC = \
-  xbt/xbt_rl_synchro.c
-
+  xbt/xbt_rl_synchro.c         \
+  xbt/xbt_rl_time.c
 XBT_SG_SRC = \
-  xbt/xbt_sg_synchro.c
+  xbt/xbt_sg_synchro.c         \
+  xbt/xbt_sg_time.c     
 
 SURF_SRC= \
   surf/maxmin.c                                                              \
+  surf/fair_bottleneck.c                                                              \
   surf/lagrange.c                                                            \
   surf/trace_mgr.c                                                           \
+  surf/random_mgr.c                                                           \
   surf/surf.c                                                                \
   surf/surfxml_parse.c                                                       \
-  surf/cpu.c   surf/network.c   surf/workstation.c                           \
+  surf/cpu.c   surf/network.c surf/network_constant.c surf/workstation.c     \
   surf/surf_timer.c                                                          \
-  surf/network_dassf.c                                                       \
-  surf/workstation_KCCFLN05.c
+  surf/workstation_ptask_L07.c                                               \
+  xbt/xbt_sg_stubs.c
+
+if CONTEXT_THREADS
+  SURF_SRC +=  xbt/xbt_os_thread.c xbt/xbt_context_thread.c  
+else  
+  SURF_SRC += xbt/xbt_context_sysv.c
+endif
 
 GTNETS_SRC= \
   surf/gtnets/gtnets_simulator.cc \
@@ -156,9 +189,9 @@ GTNETS_SRC= \
   surf/gtnets/gtnets_interface.cc \
   surf/network_gtnets.c
 
-# Separated because we don't want it in libsimgrid4java
-CTX_SRC= xbt/context.c
-JCTX_SRC= java/jxbt_context.c java/jxbt_context.h xbt/xbt_os_thread.c
+# Separated because src/gras/rl_stubs also define the function xbt_context_mod_init() and xbt_context_mod_exit()
+# so there is an implementation of these functions in the simgrid library and an implementatin in the gras library 
+CTX_SRC= xbt/xbt_context.c
 
 SIMIX_SRC= \
   simix/smx_global.c \
@@ -170,18 +203,28 @@ SIMIX_SRC= \
   simix/smx_action.c \
   simix/smx_synchro.c
 
+SMPI_SRC= \
+  smpi/smpi_base.c \
+  smpi/smpi_bench.c \
+  smpi/smpi_global.c \
+  smpi/smpi_mpi.c \
+  smpi/smpi_sender.c \
+  smpi/smpi_receiver.c \
+  smpi/smpi_util.c
+
 MSG_SRC=  msg/msg_config.c \
   msg/task.c msg/host.c msg/m_process.c msg/gos.c \
-  msg/global.c msg/environment.c msg/deployment.c 
+  msg/global.c msg/environment.c msg/deployment.c msg/msg_mailbox.c
 
 JMSG_C_SRC = \
+  xbt/xbt_context_java.c \
   java/jxbt_utilities.c     java/jxbt_utilities.h      \
   java/jmsg.c               java/jmsg.h                \
   java/jmsg_channel.c       java/jmsg_channel.h        \
   java/jmsg_host.c          java/jmsg_host.h           \
-  java/jmsg_parallel_task.c java/jmsg_parallel_task.h  \
   java/jmsg_process.c       java/jmsg_process.h        \
-  java/jmsg_task.c          java/jmsg_task.h
+  java/jmsg_task.c          java/jmsg_task.h           \
+  java/jmsg_application_handler.c java/jmsg_application_handler.h
 
 JMSG_JAVA_SRC = \
   java/simgrid/msg/MsgException.java                 \
@@ -190,21 +233,27 @@ JMSG_JAVA_SRC = \
   java/simgrid/msg/HostNotFoundException.java        \
   java/simgrid/msg/ProcessNotFoundException.java     \
   \
+  java/simgrid/msg/Msg.java                          \
   java/simgrid/msg/Process.java                      \
-  java/simgrid/msg/ApplicationHandler.java           \
-  java/simgrid/msg/Channel.java                      \
   java/simgrid/msg/Host.java                         \
-  java/simgrid/msg/Msg.java                          \
   java/simgrid/msg/Task.java                         \
-  java/simgrid/msg/ParallelTask.java                 
+  \
+  java/simgrid/msg/MsgNative.java                    \
+  java/simgrid/msg/DTDResolver.java                  \
+  java/simgrid/msg/ApplicationHandler.java           \
+  \
+  java/simgrid/msg/Sem.java
+
 
 SIMDAG_SRC= simdag/sd_global.c simdag/sd_link.c simdag/sd_task.c simdag/sd_workstation.c
 
 GRAS_COMMON_SRC= \
   gras/gras.c  \
   gras/Transport/transport.c          gras/Transport/transport_private.h  \
-  gras/Msg/msg.c                      gras/Msg/rpc.c                       gras/Msg/timer.c                 \
-  gras/Msg/msg_interface.h            gras/Msg/msg_private.h           \
+  gras/Msg/gras_msg_mod.c             gras/Msg/gras_msg_types.c           \
+  gras/Msg/gras_msg_exchange.c        gras/Msg/gras_msg_listener.c        \
+  gras/Msg/rpc.c                      gras/Msg/timer.c                    \
+  gras/Msg/msg_interface.h            gras/Msg/msg_private.h              \
   \
   gras/Virtu/process.c gras/Virtu/gras_module.c  \
   \
@@ -221,17 +270,17 @@ GRAS_RL_SRC= \
   gras/Transport/transport_plugin_file.c   gras/Transport/transport_plugin_tcp.c  \
   \
   gras/Virtu/rl_emul.c \
-  gras/Virtu/rl_process.c        gras/Virtu/rl_time.c \
+  gras/Virtu/rl_process.c \
   gras/Virtu/rl_dns.c\
   \
   gras/Msg/rl_msg.c
-  
+
 GRAS_RL_SRC+=$(XBT_RL_SRC)
 
 GRAS_SG_SRC= gras/Transport/sg_transport.c  gras/Transport/transport_plugin_sg.c        \
   \
   gras/Virtu/sg_emul.c \
-  gras/Virtu/sg_process.c        gras/Virtu/sg_time.c     \
+  gras/Virtu/sg_process.c   \
   gras/Virtu/sg_dns.c\
   \
   gras/Msg/sg_msg.c
@@ -247,7 +296,7 @@ AMOK_SRC= \
 # Deal with optional modules #
 ##############################
 
-if USE_GTNETS
+if HAVE_GTNETS
   GTNETS_USED=$(GTNETS_SRC)
 else
   GTNETS_USED=
@@ -265,42 +314,54 @@ endif
 ### Declare the library content
 ###
 
-lib_LTLIBRARIES= libsimgrid.la libgras.la 
+lib_LTLIBRARIES= libsimgrid.la libgras.la libsmpi.la
 
 libgras_la_SOURCES=  $(XBT_SRC) $(GRAS_COMMON_SRC) $(GRAS_RL_SRC) $(AMOK_SRC)
-libgras_la_LDFLAGS = -no-undefined $(VERSION_INFO)                     @GRAS_DEP@ @LD_DYNAMIC_FLAGS@ -lm 
+libgras_la_LDFLAGS = -no-undefined $(VERSION_INFO) @GRAS_DEP@ @LD_DYNAMIC_FLAGS@ -lm 
 
 libsimgrid_la_SOURCES = $(XBT_SRC) $(SURF_SRC) $(GTNETS_USED) $(SDP_SRC) \
                         $(SIMIX_SRC) $(CTX_SRC) \
                         $(MSG_SRC) $(SIMDAG_SRC) \
                        $(GRAS_COMMON_SRC) $(GRAS_SG_SRC) $(AMOK_SRC)
-libsimgrid_la_LDFLAGS = -no-undefined $(VERSION_INFO) @GTNETS_LDFLAGS@ @SIMGRID_DEP@ @LD_DYNAMIC_FLAGS@ -lm
+libsimgrid_la_LDFLAGS = -no-undefined $(VERSION_INFO) @SIMGRID_DEP@ @LD_DYNAMIC_FLAGS@ -lm
+# -Wl,--entry -Wl,simgrid_version
+
+# Please do not add -no-undefined to libsmpi_la_LDFLAGS:
+# smpi_simulated_main is indeed defined in user code, and undef in the
+# library (no idea why it works under linux, but it fails under windows)
+libsmpi_la_LIBADD = libsimgrid.la
+libsmpi_la_SOURCES = $(SMPI_SRC)
+libsmpi_la_LDFLAGS = $(VERSION_INFO) @SMPI_DEP@ @LD_DYNAMIC_FLAGS@ -lm
+
+# Windows users (at least, MSVC ones) need a def file.
+if IS_WINDOWS
+libgras_la_LDFLAGS    += -Wl,--output-def,libgras.def
+libsimgrid_la_LDFLAGS += -Wl,--output-def,libsimgrid.def
+libsmpi_la_LDFLAGS    += -Wl,--output-def,libsmpi.def
+endif
 
 ##
 ## Java cruft
 
-if HAVE_JAVA
-lib_LTLIBRARIES += libsimgrid4java.la
+EXTRA_DIST+=$(JMSG_JAVA_SRC)
 
-libsimgrid4java_la_SOURCES = $(XBT_SRC) $(SURF_SRC) $(GTNETS_USED) $(SDP_SRC) \
-                             $(SIMIX_SRC) $(JCTX_SRC) \
-                             $(JMSG_C_SRC) $(MSG_SRC) \
-                            $(GRAS_COMMON_SRC) $(GRAS_SG_SRC) $(AMOK_SRC)
-libsimgrid4java_la_LDFLAGS = -no-undefined $(VERSION_INFO) @GTNETS_LDFLAGS@ @SIMGRID_DEP@ @LD_DYNAMIC_FLAGS@ -lm
-libsimgrid4java_la_GCJFLAGS = -fjni
+if HAVE_JAVA
+libsimgrid_la_SOURCES += $(JMSG_C_SRC) # add the binding support to the library
 
 clean-local:
        -rm -rf .classes
 
-jardir = $(prefix)/jar 
+jardir = $(prefix)/jar
 jar_DATA =  simgrid.jar
 
-simgrid.jar: $(JMSG_JAVA_SRC)
+simgrid.jar: $(JMSG_JAVA_SRC) $(srcdir)/surf/simgrid.dtd
        [ -e .classes ] || mkdir .classes
-       $(JAVAC) -sourcepath java -d .classes $(JMSG_JAVA_SRC)
-       $(JAR) cvf simgrid.jar -C .classes .;
+       $(JAVAC) -d .classes $(foreach file,$(JMSG_JAVA_SRC),$(srcdir)/$(file))
+       [ -e .classes/surf ] || mkdir .classes/surf
+       cp $(srcdir)/surf/simgrid.dtd .classes/surf
+       $(JAR) cvf simgrid.jar -C .classes .
 else
-EXTRA_DIST += $(JCTX_SRC) $(JMSG_C_SRC) $(MSG_SRC)
+EXTRA_DIST+=$(JMSG_C_SRC) $(MSG_SRC)
 endif
 
 if GRAMINE_MODE
@@ -321,19 +382,19 @@ else
 noinst_PROGRAMS=testall
 TEST_CFILES=xbt/cunit.c  xbt/ex.c          \
             xbt/dynar.c xbt/dict.c xbt/set.c xbt/swag.c \
-           xbt/xbt_str.c                      \
+           xbt/xbt_str.c  xbt/xbt_sha.c                \
             xbt/config.c 
-TEST_UNITS= ./cunit_unit.c ./ex_unit.c         \
-            ./dynar_unit.c ./dict_unit.c ./set_unit.c ./swag_unit.c \
-           ./xbt_str_unit.c \
-            ./config_unit.c 
+TEST_UNITS= @builddir@/cunit_unit.c   @builddir@/ex_unit.c         \
+            @builddir@/dynar_unit.c   @builddir@/dict_unit.c @builddir@/set_unit.c @builddir@/swag_unit.c \
+           @builddir@/xbt_str_unit.c @builddir@/xbt_strbuff_unit.c @builddir@/xbt_sha_unit.c\
+            @builddir@/config_unit.c 
 
-BUILT_SOURCES=../include/surf/surfxml.h surf/surfxml.c \
+BUILT_SOURCES=../include/surf/simgrid_dtd.h surf/simgrid_dtd.c \
               ../include/xbt/graphxml.h xbt/graphxml.c \
               gras/DataDesc/ddt_parse.yy.c \
-              $(TEST_UNITS) simgrid_units_main.c
+             $(TEST_UNITS) @builddir@/simgrid_units_main.c
 
-testall_SOURCES= $(TEST_UNITS) simgrid_units_main.c
+testall_SOURCES= $(TEST_UNITS) @builddir@/simgrid_units_main.c
 testall_LDADD=libgras.la
 TESTS=testall
 TESTS_ENVIRONMENT=$(SG_TEST_EXENV)
@@ -341,37 +402,35 @@ TESTS_ENVIRONMENT=$(SG_TEST_EXENV)
 EXTRA_DIST+=$(testall_SOURCES)
 
 if MAINTAINER_MODE
-./cunit_unit.c: xbt/cunit.c
-       @top_srcdir@/tools/sg_unit_extractor.pl $^
-./ex_unit.c: xbt/ex.c
-       @top_srcdir@/tools/sg_unit_extractor.pl $^
-./xbt_str_unit.c: xbt/xbt_str.c
-       @top_srcdir@/tools/sg_unit_extractor.pl $^
-./dynar_unit.c: xbt/dynar.c
-       @top_srcdir@/tools/sg_unit_extractor.pl $^
-./dict_unit.c: xbt/dict.c
-       @top_srcdir@/tools/sg_unit_extractor.pl $^
-./set_unit.c: xbt/set.c
-       @top_srcdir@/tools/sg_unit_extractor.pl $^
-./swag_unit.c: xbt/swag.c
-       @top_srcdir@/tools/sg_unit_extractor.pl $^
-./config_unit.c: xbt/config.c
+CLEANFILES=$(TEST_UNITS)
+
+$(TEST_UNITS): xbt/cunit.c xbt/ex.c xbt/xbt_str.c xbt/xbt_strbuff.c xbt/xbt_sha.c\
+               xbt/dynar.c xbt/dict.c xbt/set.c xbt/swag.c xbt/config.c
        @top_srcdir@/tools/sg_unit_extractor.pl $^
 
-simgrid_units_main.c: $(TEST_UNITS)
-       @top_srcdir@/tools/sg_unit_extractor.pl xbt/cunit.c
+@builddir@/simgrid_units_main.c: $(TEST_UNITS)
+       @top_srcdir@/tools/sg_unit_extractor.pl @srcdir@/xbt/cunit.c
 
 clean-units:
-       rm -f simgrid_units_main.c *_unit.c
-
+       rm -f simgrid_units_main.c *_unit.c @srcdir@/simgrid_units_main.c @srcdir@/*_unit.c
+       for n in $(TEST_UNITS) ; do \
+         dep=`echo $$n|sed -e 's|.c$$|.Po|' -e 's|[^/]*/||' -e 's|^|.deps/|'`; \
+          echo "Removing dependency tracker of $$n ($$dep @srcdir@/$$dep)"; \
+         rm -vf $$dep @srcdir@/$$dep; touch $$dep; \
+        done
 else
 
+if BOTBUILD_MODE
+$(TEST_UNITS) simgrid_units_main.c clean-units: 
+       @echo "WARNING: Test units not generated, but touched instead since this is a bot build."
+       touch $@
+else 
 $(TEST_UNITS) simgrid_units_main.c clean-units: 
        @echo "ERROR: Test units not generated."
-       @echo "ERROR: If you are using a CVS checkout, configure with the --enable-maintainer-mode flag"
+       @echo "ERROR: If you are using a SVN checkout, configure with the --enable-maintainer-mode flag"
        @echo "ERROR: If not, please report the bug to the simgrid-devel mailing list."
        @exit 1
-
+endif
 endif
 
 ###
@@ -383,27 +442,35 @@ gras/DataDesc/ddt_parse.yy.c: gras/DataDesc/ddt_parse.yy.l
        set -e;@LEX@ -o$@ -Pgras_ddt_parse_ --noline $^
 
 if MAINTAINER_MODE
-surf/surfxml.c: surf/surfxml.l
+surf/simgrid_dtd.c: surf/simgrid_dtd.l
        set -e;mkdir -p `dirname $@`; @LEX@ -o$@ -Psurf_parse_ --noline $^
+       sed 's/#include <unistd.h>/#if defined(_WIN32) || defined(__WIN32__) || defined(WIN32) || defined(__TOS_WIN__)\n#  ifndef __STRICT_ANSI__\n#    include <io.h>\n#    include <process.h>\n#  endif\n#else\n#  include <unistd.h>\n#endif/g' -i $@
 xbt/graphxml.c: xbt/graphxml.l
        set -e;mkdir -p `dirname $@`; @LEX@ -o$@ -Pxbt_graph_parse_ --noline $^
+       sed 's/#include <unistd.h>/#if defined(_WIN32) || defined(__WIN32__) || defined(WIN32) || defined(__TOS_WIN__)\n#  ifndef __STRICT_ANSI__\n#    include <io.h>\n#    include <process.h>\n#  endif\n#else\n#  include <unistd.h>\n#endif/g' -i $@
 
 if HAVE_FLEXML
-surf/surfxml.l: $(srcdir)/surf/surfxml.dtd
-       set -e; mkdir -p surf; flexml -b 1000000 -P surfxml --sysid=surfxml.dtd -S $@ -L $^
-$(top_srcdir)/include/surf/surfxml.h: $(srcdir)/surf/surfxml.dtd
-       set -e;                flexml            -P surfxml --sysid=surfxml.dtd -H $@ -L $^
+surf/simgrid_dtd.l: $(srcdir)/surf/simgrid.dtd
+       set -e; mkdir -p surf; flexml --root-tags platform -b 1000000 -P surfxml --sysid=simgrid.dtd -S $@ -L $^ 
+$(top_srcdir)/include/surf/simgrid_dtd.h: $(srcdir)/surf/simgrid.dtd
+       rm -f $(top_srcdir)/include/surf/simgrid.h 
+       set -e;                flexml --root-tags platform            -P surfxml --sysid=simgrid.dtd -H $@ -L $^ 
+       if test -e $(top_srcdir)/include/surf/simgrid.h ; then mv $(top_srcdir)/include/surf/simgrid.h $@ ; fi
+       sed 's/extern  *\([^ ]*[ \*]*\)/XBT_PUBLIC_DATA(\1) /' -i $@
+       sed 's/XBT_PUBLIC_DATA(\([^)]*\)) *\([^(]*\)(/XBT_PUBLIC(\1) \2(/' -i $@
 
 xbt/graphxml.l: $(srcdir)/xbt/graphxml.dtd
        set -e; flexml -b 1000000 -P graphxml --sysid=graphxml.dtd -S $@ -L $^
 $(top_srcdir)/include/xbt/graphxml.h: $(srcdir)/xbt/graphxml.dtd
        set -e; flexml            -P graphxml --sysid=graphxml.dtd -H $@ -L $^
+       sed 's/extern  *\([^ ]*[ \*]*\)/XBT_PUBLIC_DATA(\1) /' -i $@
+       sed 's/XBT_PUBLIC_DATA(\([^)]*\)) *\([^(]*\)(/XBT_PUBLIC(\1) \2(/' -i $@
 else
 
-$(top_srcdir)/include/surf/surfxml.h surf/surfxml.l: $(top_srcdir)/src/surf/surfxml.dtd
-       @echo "ERROR: src/surf/surfxml.dtd was modified, but the flexml program was not detected"
+$(top_srcdir)/include/surf/simgrid_dtd.h surf/simgrid_dtd.l: $(top_srcdir)/src/surf/simgrid.dtd
+       @echo "ERROR: src/surf/simgrid.dtd was modified, but the flexml program was not detected"
        @echo "ERROR: Please install it, or if you didn't modify this file, try this:"
-       @echo "ERROR:   touch include/surf/surfxml.h src/surf/surfxml.l"
+       @echo "ERROR:   touch include/surf/simgrid_dtd.h src/surf/simgrid_dtd.l"
        @exit 1
 $(top_srcdir)/include/xbt/graphxml.h xbt/graphxml.l: $(top_srcdir)/src/xbt/graphxml.dtd
        @echo "ERROR: src/xbt/graphxml.dtd was modified, but the flexml program was not detected"