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configure.in
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configure.in
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# NOTE1: to do a proper Win64 cross compile from Linux use ./configure --host=x86_64-w64-mingw32
#
# NOTE2: $build refers to the platform where this script is running
# $host refers to the platform where the final code will run
dnl Process this file with autoconf to produce a configure script.
dnl
dnl OPP_CHECK_LIB( -- macro to check availability of a library
dnl $1: LIBRARY-NAME, -- descriptive name (only for printout)
dnl $2: HEADER, -- optional: header file to #include
dnl $3: FUNCTION, -- optional: function WITH ARG LIST, e.g. floor(0.5)
dnl $4: CFLAGS, -- optional: compiler flags
dnl $5: LDFLAGS, -- optional: linker flags
dnl $6: RESULT-VAR -- will contain "yes" or "no"
dnl $7: ACTION-IF-FOUND
dnl $8: ACTION-IF-NOT-FOUND
dnl )
dnl
AC_DEFUN(OPP_CHECK_LIB,[
save_CXXFLAGS=$CXXFLAGS
save_LIBS=$LIBS
CXXFLAGS="$4"
LIBS="$5"
AC_MSG_CHECKING(for $1 with CFLAGS="$4" LIBS="$5")
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[#include <$2>]], [[$3;]])],
[AC_MSG_RESULT(yes); $6=yes; $7],
[AC_MSG_RESULT(no); $6=no; $8])
CXXFLAGS=$save_CXXFLAGS
LIBS=$save_LIBS
])
dnl
dnl Same as OPP_CHECK_LIB(), but also tries to run the program (uses
dnl AC_RUN_IFELSE instead of AC_LINK_IFELSE).
dnl
dnl OPP_CHECK_AND_RUN_LIB( -- macro to check availability of a library
dnl $1: LIBRARY-NAME, -- descriptive name (only for printout)
dnl $2: HEADER, -- optional: header file to #include
dnl $3: FUNCTION, -- optional: function WITH ARG LIST, e.g. floor(0.5)
dnl $4: CFLAGS, -- optional: compiler flags
dnl $5: LDFLAGS, -- optional: linker flags
dnl $6: RESULT-VAR -- will contain "yes" or "no"
dnl $7: ACTION-IF-FOUND
dnl $8: ACTION-IF-NOT-FOUND
dnl )
dnl
AC_DEFUN(OPP_CHECK_AND_RUN_LIB,[
save_CXXFLAGS=$CXXFLAGS
save_LIBS=$LIBS
CXXFLAGS="$4"
LIBS="$5"
AC_MSG_CHECKING(for $1 with CFLAGS="$4" LIBS="$5")
AC_RUN_IFELSE(
[AC_LANG_PROGRAM([[#include <$2>]], [[$3;]])],
[AC_MSG_RESULT(yes); $6=yes; $7],
[AC_MSG_RESULT(no); $6=no; $8])
CXXFLAGS=$save_CXXFLAGS
LIBS=$save_LIBS
])
dnl
dnl OPP_CHECK_LIB_NOLINK( -- macro to check availability of a library
dnl $1: LIBRARY-NAME, -- descriptive name (only for printout)
dnl $2: HEADER, -- optional: header file to #include
dnl $3: FUNCTION, -- optional: function WITH ARG LIST, e.g. floor(0.5)
dnl $4: CFLAGS, -- optional: compiler flags
dnl $5: RESULT-VAR -- will contain "yes" or "no"
dnl $6: ACTION-IF-FOUND
dnl $7: ACTION-IF-NOT-FOUND
dnl )
dnl
AC_DEFUN(OPP_CHECK_LIB_NOLINK,[
save_CXXFLAGS=$CXXFLAGS
CXXFLAGS="$4"
AC_MSG_CHECKING(for $1 with CFLAGS="$4")
AC_TRY_COMPILE(
[#include <$2>], [$3;],
[AC_MSG_RESULT(yes); $5=yes; $6],
[AC_MSG_RESULT(no); $5=no; $7])
CXXFLAGS=$save_CXXFLAGS
])
# usage: AC_PROG_CXX_OPTION(--compiler-option, if-supported, if-unsupported)
AC_DEFUN([AC_PROG_CXX_OPTION], [
AC_MSG_CHECKING([whether $CXX supports $1])
ac_save_CXX="$CXX"
CXX="$CXX $1"
AC_LINK_IFELSE([AC_LANG_PROGRAM()],[
AC_MSG_RESULT([yes])
CXX="$ac_save_CXX"
$2
], [
AC_MSG_RESULT([no])
CXX="$ac_save_CXX"
$3
])
])
#
# Autoconf initialization
#
AC_INIT
#
# OMNeT++/OMNEST version number
#
OMNETPP_PRODUCT="OMNeT++"
OMNETPP_RELEASE=`cat Version`
OMNETPP_VERSION=`cat Version | sed 's/^.*-//'`
OMNETPP_BUILDID="internal"
#
# Edition identifier in banner: Academic / Commercial / Evaluation
OMNETPP_EDITION="Academic Public License -- NOT FOR COMMERCIAL USE"
# IDE executable name
if test "$OMNETPP_PRODUCT" = "OMNeT++"; then
OMNETPP_IDE_EXECUTABLE="omnetpp"
else
OMNETPP_IDE_EXECUTABLE="omnest"
fi
# We'll collect in this variable the components we've detected problems with
OPP_PROBLEM_PACKAGES=
# determine OMNETPP_ROOT
OMNETPP_ROOT=$(cd $(dirname "$0"); pwd)
#----------------------
# Read user settings (and allow override the above settings)
#----------------------
AC_MSG_NOTICE(-----------------------------------------------)
AC_MSG_NOTICE(reading configure.user for your custom settings)
AC_MSG_NOTICE(-----------------------------------------------)
. ./configure.user
# force MS-ABI / x64 compatible target if requested by the user
if test "$USE_MS_ABI" = "yes"; then
CFLAGS="$CFLAGS --target=x86_64-windows-msvc"
CXXFLAGS="$CXXFLAGS --target=x86_64-windows-msvc"
LDFLAGS="$LDFLAGS --target=x86_64-windows-msvc"
fi
AC_CONFIG_SRCDIR(include/omnetpp.h)
AC_LANG(C++)
AC_CONFIG_AUX_DIR(src/utils)
AC_CANONICAL_HOST()
# check command line arguments and override the values set in configure.user with them
for arg in $ac_configure_args
do
stripped_arg=$(echo $arg | sed "s/^\([']\)\(.*\)\1\$/\2/g")
case $stripped_arg in
-* ) continue ;;
*=* ) eval $stripped_arg ;;
esac
done
#------------------------------------
# set default library suffixes. May be already defined
# with system/arch specific values
#------------------------------------
A_LIB_SUFFIX=${A_LIB_SUFFIX:-".a"}
SO_LIB_SUFFIX=${SO_LIB_SUFFIX:-".so"}
DLL_LIB_SUFFIX=${DLL_LIB_SUFFIX:-".dll"}
IMPLIB_SUFFIX=${IMPLIB_SUFFIX:-".dll.a"}
IMPDEF_SUFFIX=${IMPDEF_SUFFIX:-".def"}
EXE_SUFFIX=
SHARED_LIB_SUFFIX='$(SO_LIB_SUFFIX)'
LIB_PREFIX="lib"
#----------------------
# Default flags for values for other variables that come from configure.user.
#----------------------
#----------------------
# Set variables to defaults if not already set.
# Note: ${VAR:-defaultvalue} used below appears to be a POSIX syntax.
#----------------------
SANITIZE_FLAGS=${SANITIZE_FLAGS:- -fsanitize=leak,address,undefined}
CFLAGS_DEBUG=${CFLAGS_DEBUG:- -O0 -Wall}
CFLAGS_RELEASE=${CFLAGS_RELEASE:- -O3 -DNDEBUG=1}
CFLAGS=${CFLAGS:-}
DEPENDFLAGS=${DEPENDFLAGS:- -MMD -MP -MF \[email protected]}
CXXFLAGS=${CXXFLAGS:-}
DEFINES=${DEFINES:-}
PREFER_CLANG=${PREFER_CLANG:-yes}
PREFER_LLD=${PREFER_LLD:-yes}
USE_MS_ABI=${USE_MS_ABI:-no}
WITH_QTENV=${WITH_QTENV:-yes}
MSGC=${MSGC:-opp_msgc}
NEDTOOL=${NEDTOOL:-opp_nedtool}
SMC=${SMC:-opp_smc}
LN=${LN:-ln -f}
MKPATH=${MKPATH:-mkdir -p}
SHLIB_POSTPROCESS=${SHLIB_POSTPROCESS:-opp_shlib_postprocess}
JNI_LIB_SUFFIX=${JNI_LIB_SUFFIX:-$SHARED_LIB_SUFFIX}
# Build shared library by default
SHARED_LIBS=${SHARED_LIBS:-yes}
# No SystemC support by default
WITH_SYSTEMC=${WITH_SYSTEMC:-no}
LDFLAG_LIBPATH=${LDFLAG_LIBPATH:--L}
LDFLAG_INCLUDE=${LDFLAG_INCLUDE:--Wl,-u,}
LDFLAG_LIB=${LDFLAG_LIB:--l}
LDFLAG_IMPLIB=${LDFLAG_IMPLIB:--Wl,--out-implib,}
LDFLAG_IMPDEF=${LDFLAG_IMPDEF:--Wl,--output-def,}
ARFLAG_OUT=${ARFLAG_OUT:-}
WHOLE_ARCHIVE_ON=
WHOLE_ARCHIVE_OFF=
#----------------------
# Check compiler
#----------------------
if test "$TOOLCHAIN" = "mingw"; then
cc_candidates="i586-mingw32msvc-gcc"
cxx_candidates="i586-mingw32msvc-g++"
else
# icc, icpc: Intel compiler (further ones: Sun Studio: cxx, IBM: xlC)
cc_candidates="icc gcc clang cc xlc"
cxx_candidates="icpc g++ clang++ clang c++ cxx xlC"
if test "$PREFER_CLANG" = "yes"; then
# if we prefer clang over gcc put it at the beginning so it will be detected first
cc_candidates="clang $cc_candidates"
cxx_candidates="clang++ clang $cxx_candidates"
fi
fi
# the below macros should be present only ONCE in the whole file (otherwise bad things will happen)
AC_PROG_CC($cc_candidates)
AC_PROG_CXX($cxx_candidates)
AC_CHECK_PROG(tmp_CXX, $CXX, $CXX, not found)
if test "$tmp_CXX" = "not found"; then
OPP_PROBLEM_PACKAGES="$OPP_PROBLEM_PACKAGES g++"
AC_MSG_ERROR([No C++ compiler found -- one is required to build OMNeT++/OMNEST, and also for model development.])
fi
#------------------------------------
# check whether compiler supports c++14 mode by default and try to enforce if it does not
#------------------------------------
AC_MSG_CHECKING([for c++14 support])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[
#if __cplusplus < 201402L
#error
#endif]])],
[AC_MSG_RESULT(yes)],
[CXXFLAGS="-std=c++14 $CXXFLAGS";
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[
#if __cplusplus < 201402L
#error
#endif]])],
AC_MSG_RESULT(yes (forced by -std=c++14)),
AC_MSG_RESULT(no); AC_MSG_ERROR([Please adjust CXXFLAGS in configure.user to enable C++14 compilation or install a C++14-capable compiler (e.g. clang 3.4+ or gcc 6.1+)]))]
)
if test "$TOOLCHAIN" = "mingw"; then
AS=${AS:-i586-mingw32msvc-as}
AR=${AR:-i586-mingw32msvc-ar cr}
SHLIB_LD=${SHLIB_LD:-$CXX -shared}
DLLTOOL=${DLLTOOL:-i586-mingw32msvc-dlltool}
STRIP=${STRIP:-i586-mingw32msvc-strip}
RANLIB=${RANLIB:-i586-mingw32msvc-ranlib}
else
if test "$CXX" = "icpc"; then
# disable useless warnings and 'remarks' with the Intel compiler:
#
# warning #654: overloaded virtual function "NEDElement::setAttribute" is only partially overridden
# warning #177: label "yyerrlab1" was declared but never referenced
# remark #869: parameter "node" was never referenced
# remark #981: operands are evaluated in unspecified order
# remark #279: controlling expression is constant (occurs in unfinished cppmsggenerator.cc code)
# remark #1572: floating-point equality and inequality comparisons are unreliable
# remark #424: extra ";" ignored
# remark #1682: implicit conversion of a 64-bit integral type to a smaller integral type (potential portability..
# remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability..
# remark #810: conversion from "unsigned int" to "char" may lose significant bits
# remark #810: conversion from "long" to "double" may lose significant bits
# remark #1418: external definition with no prior declaration
# remark #1419: external declaration in primary source file
# remark #383: value copied to temporary, reference to temporary used
#
#CFLAGS="$CFLAGS -wd654 -wd177 -wd869 -wd981 -wd279 -wd1572 -wd424 -wd1682 -wd1683 -wd810 -wd1418 -wd1419"
# -w1 disables all remarks
CFLAGS_ARCH="$CFLAGS_ARCH -w1 -wd654 -wd177"
fi
AS=${AS:-${ac_tool_prefix}as}
AR=${AR:-${ac_tool_prefix}ar cr}
if test "$PLATFORM" = "macosx"; then
SHLIB_LD=${SHLIB_LD:-$CXX -dynamiclib}
else
SHLIB_LD=${SHLIB_LD:-$CXX -shared}
fi
DLLTOOL=${DLLTOOL:-${ac_tool_prefix}dlltool}
STRIP=${STRIP:-${ac_tool_prefix}strip}
AC_PROG_RANLIB
fi
# toolchain name: compiler ($CC) without path
# note: doubling the brackets is needed, otherwise M4 swallows them!
TOOLCHAIN_NAME=`echo $CC | sed 's!^.*/!!g' | sed 's![[ :]]!_!'g`
#-------------------------------
# Figure out the host platform
#-------------------------------
if test "$TOOLCHAIN" = "mingw"; then
# cross compiling for mingw
mingw=yes
jni_platform=win32
PLATFORM=win32.x86
EXE_SUFFIX=".exe"
SHARED_LIB_SUFFIX='$(DLL_LIB_SUFFIX)'
LDFLAGS_ARCH="$LDFLAGS_ARCH -shared-libgcc"
else
jni_platform=$host_os
case $host in
x86_64-*-mingw*)
OMNETPP_TOOLS_DIR="$OMNETPP_ROOT/tools/win64"
mingw=yes
jni_platform=win32
PLATFORM=win32.x86_64
EXE_SUFFIX=".exe"
SHARED_LIB_SUFFIX='$(DLL_LIB_SUFFIX)'
# sepcial values for MS ABI compatible build is selected and clang is used
if test "$TOOLCHAIN_NAME" = "clang" -a "$USE_MS_ABI" = "yes"; then
TOOLCHAIN_NAME="clang-msabi"
echo "checking whether we are using MS ABI compatible libraries... yes"
DEFINES="$DEFINES -D_MT -D_WINDOWS -D_WIN32 -DWIN32 -DWIN64 -D_USRDLL -D_WINDLL -D_DLL"
CFLAGS_ARCH="$CFLAGS_ARCH -Wno-deprecated-declarations -isystem /visualc/include"
CXXFLAGS="-fcxx-exceptions"
LDFLAG_LIBPATH="-Wl,-libpath:"
LDFLAG_INCLUDE="-Wl,-include:"
LDFLAG_LIB="-Wl,-wholearchive:"
LDFLAG_IMPLIB="-Wl,-implib:"
LDFLAG_IMPDEF="-Wl,-impdef:"
LDFLAGS_ARCH="$LDFLAGS_ARCH -Wl,-DEBUG -Wl,-libpath:/visualc/lib -Wl,-nodefaultlib:libcmt -lmsvcrt -loldnames -lmsvcprt"
AR="lib -nologo"
ARFLAG_OUT="-out:"
RANLIB="test"
A_LIB_SUFFIX=".lib"
IMPLIB_SUFFIX=".lib"
LIB_PREFIX=""
else # mingw compiler (clang or gcc) with GCC compatible ABI
# on MinGW dll auto importing MUST be used with shared gcc and stdc++
# otherwise exceptions can't be thrown across dll boundaries
LDFLAGS_ARCH="$LDFLAGS_ARCH -L/usr/bin"
# If we are building on windows (native compile) we have to add the /usr/lib and
# /usr/include directories as they are not added by default, but they are needed
# to properly find the LibXML2 libraries.
if test "$cross_compiling" = no ; then
CFLAGS_ARCH="$CFLAGS_ARCH -isystem /mingw64/include -isystem /opt/mingw64/include"
LDFLAGS_ARCH="$LDFLAGS_ARCH -L/mingw64/lib -L/opt/mingw64/lib"
fi
# NOTE: if we are cross-compiling we may need to add the lib and include path
# to the cross-compiled Xml libs here. They should NOT reside in the default
# /usr/lib directory as that would interfere with the native build.
fi
;;
x86_64-*-linux*)
OMNETPP_TOOLS_DIR="\$(OMNETPP_TOOLS_DIR)/linux64"
jni_platform=linux
PLATFORM=linux.x86_64
;;
*darwin*)
OMNETPP_TOOLS_DIR="$OMNETPP_ROOT/tools/macosx"
CFLAGS_ARCH="$CFLAGS_ARCH -isystem \$(OMNETPP_TOOLS_DIR)/include"
CFLAGS_TOOLS_MACOSX="-isystem $OMNETPP_TOOLS_DIR/include"
LDFLAGS_ARCH="$LDFLAGS_ARCH -L/usr/lib -L\$(OMNETPP_TOOLS_DIR)/lib -F\$(OMNETPP_TOOLS_DIR)/lib"
LDFLAGS_TOOLS_MACOSX="-L$OMNETPP_TOOLS_DIR/lib -F$OMNETPP_TOOLS_DIR/lib"
jni_platform=
PLATFORM=macosx
SO_LIB_SUFFIX=".dylib"
JNI_LIB_SUFFIX=".jnilib"
;;
*)
;;
esac
fi
#----------------------
# Check whether LLD linker is available and preferred as it is a much faster than the system one.
#----------------------
if test "$PREFER_LLD" = "yes"; then
AC_MSG_CHECKING(whether LLD linker is available)
LDFLAGS_SAVE="$LDFLAGS"
LDFLAGS="$LDFLAGS -fuse-ld=lld"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM()],
[AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no); LDFLAGS="$LDFLAGS_SAVE"])
fi
# test if we are running on mingw using gcc as we have to force the use of shared libgcc
if test "$mingw" = yes -a "$CC" = "gcc"; then
LDFLAGS_ARCH="$LDFLAGS_ARCH -shared-libgcc"
fi
#----------------------
# check if clang is used as we want to avoid warnings from generated code
#----------------------
if test "$CC" = "clang"; then
CFLAGS_ARCH="$CFLAGS_ARCH -Wno-deprecated-register -Wno-unused-function"
fi
#----------------------
# check and disable frame pointer omission for better debugging support
#----------------------
AC_PROG_CXX_OPTION(-fno-omit-frame-pointer, CFLAGS_ARCH="$CFLAGS_ARCH -fno-omit-frame-pointer")
#----------------------
# check for debugger specific debug info generation for better debugging support
#----------------------
AC_PROG_CXX_OPTION(-glldb, CFLAGS_DEBUG="$CFLAGS_DEBUG -glldb",
AC_PROG_CXX_OPTION(-ggdb3, CFLAGS_DEBUG="$CFLAGS_DEBUG -ggdb3", CFLAGS_DEBUG="$CFLAGS_DEBUG -g")
)
# if supported, generate debug info for standallone debugging (i.e. typeinfo for std:: classes)
AC_PROG_CXX_OPTION(-fstandalone-debug, CFLAGS_DEBUG="$CFLAGS_DEBUG -fstandalone-debug",
AC_PROG_CXX_OPTION(-fno-limit-debug-info, CFLAGS_DEBUG="$CFLAGS_DEBUG -fno-limit-debug-info")
)
#----------------------
# check for support of --no-as-needed linker option. GCC 4.6 has changed not to link with a shared lib
# if the program does not reference a symbol from the lib. The MS linker does not support this, but accept it
# so we exclude it from testing.
#----------------------
if test "$TOOLCHAIN_NAME" != "clang-msabi"; then
AS_NEEDED_OFF=-Wl,--no-as-needed
AC_PROG_CXX_OPTION($AS_NEEDED_OFF, ,AS_NEEDED_OFF="")
AS_NEEDED_ON=-Wl,--as-needed
AC_PROG_CXX_OPTION($AS_NEEDED_ON, ,AS_NEEDED_ON="")
fi
#----------------------
# check if swapcontext() call is available (used for coroutines)
# NOTE: we should explicitly exclude MAC OS because AC_CHECK_FUNC reports that swapcontext()
# is present, but it is uninmplemented (and deprecated) on OS X 10.6 and later. We use the
# original 'portable' implementation on MAC.
#----------------------
if test "$PLATFORM" != "macosx"; then
AC_CHECK_FUNCS(swapcontext, [DEFINES="$DEFINES -DHAVE_SWAPCONTEXT"])
fi
#----------------------
# Test if "-fPIC" is needed for shared libs (there's a performance penalty if we use it unnecessarily)
#----------------------
# To test, we try to compile the following code into a shared library:
# int x;
# int getX() {return x;}
#
AC_MSG_CHECKING(if shared libs need -fPIC)
echo 'int x;' >conftest.cc
echo 'int getX() {return x;}' >>conftest.cc
fpic="x"
if echo $CFLAGS | grep -i -- "-fPIC" >/dev/null 2>/dev/null; then
AC_MSG_RESULT([skip (already in CFLAGS)])
fpic=""
PIC_FLAGS=-fPIC
fi
if test "$fpic" = "x" && \
$CXX $CFLAGS -c conftest.cc >/dev/null 2>/dev/null && \
$SHLIB_LD $LDFLAGS -o conftest.so conftest.o >/dev/null 2>/dev/null; \
then
AC_MSG_RESULT(no)
fpic=""
fi
if test "$fpic" = "x" && \
$CXX $CFLAGS -fPIC -c conftest.cc >/dev/null 2>/dev/null && \
$SHLIB_LD $LDFLAGS -fPIC -o conftest.so conftest.o >/dev/null 2>/dev/null; \
then
AC_MSG_RESULT(yes)
fpic="-fPIC"
fi
if test "$fpic" = "x" && \
$CXX $CFLAGS -fpic -c conftest.cc >/dev/null 2>/dev/null && \
$SHLIB_LD $LDFLAGS -fpic -o conftest.so conftest.o >/dev/null 2>/dev/null; \
then
AC_MSG_RESULT(-fpic)
fpic="-fpic"
fi
if test "$fpic" = "x"; then
AC_MSG_RESULT(failure)
AC_MSG_WARN([COULD NOT FIGURE OUT HOW TO BUILD SHARED LIBRARY -- reverting to static libs])
SHARED_LIBS="no"
else
CFLAGS="$CFLAGS $fpic"
SHLIB_LD="$SHLIB_LD $fpic"
PIC_FLAGS="$fpic"
fi
rm -f conftest.*
#----------------------
# Test if --export-dynamic or -E linker option is accepted and/or needed
#----------------------
# We want to be able to dynamically load extensions into simulation executables,
# so we need to ensure that all symbols in the executable are visible to
# dynamically loaded libraries. 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 <dlfcn.h>
# 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]
OPP_CHECK_LIB(dlopen, dlfcn.h, dlopen("",0), , , ldl_not_needed, ldl="", ldl="-ldl")
# then go ahead
AC_MSG_CHECKING(if --export-dynamic linker option is supported/needed)
echo 'void func_from_main();' >conftest_a.cc
echo 'void some_func() {func_from_main();}' >>conftest_a.cc
echo '#include <dlfcn.h>' >conftest_m.cc
echo '#include <stdio.h>' >>conftest_m.cc
echo 'void func_from_main() {}' >>conftest_m.cc
echo 'int main() {if (dlopen("./libconftest_a.so",RTLD_NOW)!=0) return 0; printf("%s",dlerror()); return 1;}' >>conftest_m.cc
if $CXX -c conftest_a.cc >/dev/null 2>/dev/null && \
$CXX -c conftest_m.cc >/dev/null 2>/dev/null && \
$SHLIB_LD -o libconftest_a.so conftest_a.o >/dev/null 2>/dev/null; \
then
silly_ok="no"
# 1st try.
if $CXX -o conftest conftest_m.o $ldl >/dev/null 2>/dev/null; then
if ./conftest >/dev/null 2>/dev/null; then
AC_MSG_RESULT(not needed)
silly_ok="yes"
fi
fi
# 2nd try.
if test $silly_ok = "no" && \
$CXX -o conftest -Wl,--export-dynamic conftest_m.o $ldl >/dev/null 2>/dev/null; \
then
if ./conftest >/dev/null 2>/dev/null; then
AC_MSG_RESULT(both)
LDFLAGS_ARCH="$LDFLAGS_ARCH -Wl,--export-dynamic"
silly_ok="yes"
fi
fi
# no solution found
if test $silly_ok = "no"; then
AC_MSG_RESULT(no solution found)
AC_MSG_WARN([No way was detected to export symbols from executables to shared])
AC_MSG_WARN([libraries. You probably will not be able to dynamically load])
AC_MSG_WARN([simple modules or other extensions written in C++ into simulation])
AC_MSG_WARN([programs like INET.])
fi
else
# note: expected failure on MinGW, because there's no dlopen().
# fixing this would mean overturning and re-testing the whole configure script
AC_MSG_RESULT(test failed)
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 <stdio.h>
# 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.
#
AC_MSG_CHECKING(for flags needed to link with static libs containing simple modules)
echo '#include <stdio.h>' >conftest_a.cc
# NOTE: do not write "=WORKS=\n" because sh on OS X resolves it
echo 'class A { public: A() {printf("=WORKS=");} };' >>conftest_a.cc
echo 'static A a;' >> conftest_a.cc
echo 'int main() {return 0;}' >> conftest_m.cc
if $CXX -c conftest_a.cc >/dev/null 2>/dev/null && \
$CXX -c conftest_m.cc >/dev/null 2>/dev/null && \
$AR libconftest_a.a conftest_a.o >/dev/null 2>/dev/null && \
$RANLIB libconftest_a.a >/dev/null 2>/dev/null; \
then
silly_ok="no"
# 1st try.
if $CXX -o conftest conftest_m.o libconftest_a.a >/dev/null 2>/dev/null; then
if ./conftest 2>/dev/null | grep '=WORKS=' >/dev/null; then
AC_MSG_RESULT(none)
silly_ok="yes"
fi
fi
# 2nd try.
silly1=-Wl,--whole-archive
silly2=-Wl,--no-whole-archive
if test $silly_ok = "no" && \
$CXX -o conftest conftest_m.o $silly1 libconftest_a.a $silly2 >/dev/null 2>/dev/null && \
./conftest 2>/dev/null | grep '=WORKS=' >/dev/null; \
then
AC_MSG_RESULT(--whole-archive)
AC_MSG_NOTICE([NOTE: Use the following syntax when linking with static libraries])
AC_MSG_NOTICE([containing simple modules and other dynamically registered components:])
AC_MSG_NOTICE([ $CXX ... $silly1 <libs> $silly2 ...])
silly_ok="yes"
WHOLE_ARCHIVE_ON=$silly1
WHOLE_ARCHIVE_OFF=$silly2
fi
# 3rd try.
silly1=-Wl,-z,allextract
silly2=-Wl,-z,defaultextract
if test $silly_ok = "no" && \
$CXX -o conftest conftest_m.o $silly1 libconftest_a.a $silly2 >/dev/null 2>/dev/null && \
./conftest 2>/dev/null | grep '=WORKS=' >/dev/null; \
then
AC_MSG_RESULT([-z,allextract])
AC_MSG_NOTICE([NOTE: Use the following syntax when linking with static libraries])
AC_MSG_NOTICE([containing simple modules and other dynamically registered components:])
AC_MSG_NOTICE([ $CXX ... $silly1 <libs> $silly2 ...])
silly_ok="yes"
WHOLE_ARCHIVE_ON=$silly1
WHOLE_ARCHIVE_OFF=$silly2
fi
# 4th try.
silly1=-Wl,-all_load
silly2=
if test $silly_ok = "no" && \
$CXX -o conftest conftest_m.o $silly1 libconftest_a.a $silly2 >/dev/null 2>/dev/null && \
./conftest 2>/dev/null | grep '=WORKS=' >/dev/null; \
then
AC_MSG_RESULT([-all_load])
AC_MSG_NOTICE([NOTE: Use the following syntax when linking with static libraries])
AC_MSG_NOTICE([containing simple modules and other dynamically registered components:])
AC_MSG_NOTICE([ $CXX ... $silly1 <libs> $silly2 ...])
silly_ok="yes"
WHOLE_ARCHIVE_ON=$silly1
WHOLE_ARCHIVE_OFF=$silly2
fi
# no solution found
if test $silly_ok = "no"; then
AC_MSG_RESULT(no solution found)
AC_MSG_WARN([Avoid linking with static libraries containing simple modules])
AC_MSG_WARN([and other dynamically registered components. Those components])
AC_MSG_WARN([will not be found by the simulation program, because the linker])
AC_MSG_WARN([leaves them out from the executable.])
fi
else
AC_MSG_RESULT(test failed)
fi
rm -f conftest_a.* conftest_m.* libconftest_a.a conftest
#----------------------
# Check for rpath
#----------------------
# add RUNTIME_PATH option if supported, so that setting LD_LIBRARY_PATH is no longer needed when using shared libs.
# Also, we add "." to rpath so that opp_run -L option does not need full path of the library
AC_MSG_CHECKING(whether linker supports -rpath)
LDFLAGS_SAVE="$LDFLAGS"
LDFLAGS="$LDFLAGS -Wl,-rpath,\$(OMNETPP_LIB_DIR) -Wl,-rpath,\$(OMNETPP_TOOLS_DIR)/lib -Wl,-rpath,."
AC_LINK_IFELSE(
[AC_LANG_PROGRAM()],
[AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no); RPATH_UNSUPPORTED="true"; LDFLAGS="$LDFLAGS_SAVE"])
#----------------------
# Checks for programs.
#----------------------
AC_PROG_YACC
if test "$YACC" = "yacc"; then
AC_MSG_ERROR([Bison not found, needed to build OMNeT++/OMNEST -- please install it!])
fi
BISON_VER_LINE=`$YACC --version | grep "bison.* [[34]]\\."`
if test -z "$BISON_VER_LINE"; then
AC_MSG_ERROR([At least bison version 3.0 required -- type '$YACC --version' to see the version number])
fi
# disable some bison warnings
YACC="$YACC -Wno-yacc"
AC_PROG_LEX
if test "$LEX" != "flex"; then
AC_MSG_ERROR([Flex not found, needed to build OMNeT++/OMNEST -- please install it!])
fi
FLEX_VER_LINE=`$LEX --version | grep "flex.* 2\\.[[5-9]]"`
if test -z "$FLEX_VER_LINE"; then
AC_MSG_ERROR([At least flex version 2.5 required -- type '$LEX --version' to see the version number])
fi
# make must be GNU make
AC_CHECK_PROG(MAKE, make , make, not found)
if test "$MAKE" = "not found"; then
OPP_PROBLEM_PACKAGES="$OPP_PROBLEM_PACKAGES make"
AC_MSG_ERROR(make program not found -- it is required to build OMNeT++/OMNEST, and also for model development.)
else
if "$MAKE" --version 2>/dev/null | grep -i GNU >/dev/null; then :; else
AC_MSG_ERROR(GNU Make is required to build OMNeT++/OMNEST.)
fi
fi
# perl is needed for opp_makemake and some other scripts
AC_ARG_VAR(PERL, The Perl interpreter)
AC_CHECK_PROG(PERL, perl, perl, not found)
if test "$PERL" = "not found"; then
OPP_PROBLEM_PACKAGES="$OPP_PROBLEM_PACKAGES perl"
AC_MSG_ERROR(Perl not found -- please install it! Perl is required by opp_makemake and some other programs.)
fi
# swig is used for building the ui support libs
AC_ARG_VAR(SWIG, The Swig interface generator)
AC_CHECK_PROG(SWIG, swig, swig, not found)
#---------------------------
# Check for python3 and its modules
#---------------------------
# Python 3 is used for many command line tools, and in the IDE for result analysis
AC_ARG_VAR(PYTHON3, The Python 3 interpreter)
AC_CHECK_PROG(PYTHON3, python3, python3, not found)
if test "$PYTHON3" = "not found"; then
AC_MSG_ERROR(Python (python3) not found -- please install it! Python is required by many command-line tools and by the Analysis Tool in the IDE.)
fi
AC_MSG_CHECKING(if all necessary Python modules are available)
PYTHON_PACKAGE_CHECK_CODE=$(cat <<-EOT
# These should always be available by default, but just as a sanity check:
import argparse, pickle, math, io, sys, os, platform, mmap, pprint, json, \
re, itertools, importlib, inspect, glob, functools, csv, string, \
struct, socket, subprocess, time, traceback, threading, types, copy, \
tempfile, select, shlex, unittest, weakref, logging, multiprocessing, xml
failed = list()
def try_import(name):
global failed
try:
importlib.import_module(name)
except:
failed.append(name)
try_import("difflib") # for opp_test and scave python tester
# for the Analysis Tool:
try_import("numpy")
try_import("scipy")
try_import("pandas")
try_import("matplotlib")
if os.name == 'posix':
try_import("posix_ipc")
try_import("fcntl")
else:
try_import("msvcrt")
if failed:
print("Failed to import: " + ", ".join(failed))
exit(1)
# The utils module checks the versions of some Python packages when imported
from omnetpp.scave import utils
EOT
)
if output=$(python3 -c "$PYTHON_PACKAGE_CHECK_CODE") ; then
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
if test -d ide; then
AC_MSG_ERROR([Some Python modules required by the IDE were not found: $output])
else
OPP_PROBLEM_PACKAGES="$OPP_PROBLEM_PACKAGES Python modules ($output)"
AC_MSG_WARN([Some Python modules required by the IDE were not found: $output])
fi
fi
# The following ones are optional, and are used only by some sample ANF scripts:
# import pylab
# import prettyplotlib
# import seaborn
#----------------------
# Checks for standard libraries.
#----------------------
SYS_LIBS=""
if test "$TOOLCHAIN_NAME" != "clang-msabi"; then
# math functions
OPP_CHECK_LIB(math, math.h, floor(0), $CFLAGS, , math_ok)
if test $math_ok = no; then
OPP_CHECK_LIB(math, math.h, floor(0), $CFLAGS, -lm, math_ok, SYS_LIBS="-lm $SYS_LIBS")
fi
if test $math_ok = no; then
AC_MSG_ERROR([Standard C math library -lm not found])
fi
# Check for standard C++ library
OPP_CHECK_LIB(standard C++ lib, iostream, /**/, $CFLAGS, -lstdc++, stdcpp_ok, SYS_LIBS="-lstdc++ $SYS_LIBS")
# standard C++ library for clang on Mac
if test $stdcpp_ok = no; then
OPP_CHECK_LIB(standard C++ lib, iostream, /**/, $CFLAGS, -lc++, stdcpp_ok, SYS_LIBS="-lc++ $SYS_LIBS")
fi
# standard C++ library for the intel compiler
if test $stdcpp_ok = no; then
OPP_CHECK_LIB(standard C++ lib, iostream, /**/, $CFLAGS, -lcxa, stdcpp_ok, SYS_LIBS="-lcxa $SYS_LIBS")
fi
if test $stdcpp_ok = no; then
AC_MSG_ERROR([Standard C++ library -lstdc++_s or -lstdc++ or -lcxx or -lcxa or -lc++ not found])
fi
fi # end clang-msabi
# dlopen()
OPP_CHECK_LIB(dlopen, dlfcn.h, dlopen("",0), $CFLAGS, , dl_ok)
if test $dl_ok = no; then
OPP_CHECK_LIB(dlopen, dlfcn.h, dlopen("",0), $CFLAGS, -ldl, dl_ok, SYS_LIBS="-ldl $SYS_LIBS")
fi
if test $dl_ok = yes; then
HAVE_DLOPEN=1
else
HAVE_DLOPEN=0
AC_MSG_WARN([no dlopen(): dynamic loading of libs not possible])
fi
#-----------------------------
# Check for Qt cflags and libs
#-----------------------------
if test "$WITH_QTENV" = "yes"; then
# Check for qmake.
AC_PATH_PROGS(QMAKE, qmake qmake-qt5 qmake5, nope, path = $QT_PATH$PATH_SEPARATOR$PATH )
if test "$QMAKE" = nope; then
AC_MSG_ERROR([Qtenv cannot find qmake -- maybe it is not in the PATH or has some exotic name (tested names were: qmake qmake-qt5 qmake5) - You can disable Qtenv by setting the WITH_QTENV variable to "no" in configure.user, or try setting the QT_PATH variable to a valid location.])
else
AC_PATH_PROGS(MOC, moc moc-qt5 moc5, nope, path = $QT_PATH$PATH_SEPARATOR$PATH )
AC_PATH_PROGS(UIC, uic uic-qt5 uic5, nope, path = $QT_PATH$PATH_SEPARATOR$PATH )
AC_PATH_PROGS(RCC, rcc rcc-qt5 rcc5, nope, path = $QT_PATH$PATH_SEPARATOR$PATH )
QT_INSTALL_HEADERS=`$QMAKE -query QT_INSTALL_HEADERS`
QT_INSTALL_LIBS=`$QMAKE -query QT_INSTALL_LIBS`
QT_CFLAGS=${QT_CFLAGS:-"-isystem $QT_INSTALL_HEADERS -isystem $QT_INSTALL_HEADERS/QtCore -isystem $QT_INSTALL_HEADERS/QtGui -isystem $QT_INSTALL_HEADERS/QtWidgets -isystem $QT_INSTALL_HEADERS/QtOpenGL -isystem $QT_INSTALL_HEADERS/QtPrintSupport"}
QT_LIBS=${QT_LIBS:-"-lQt5Gui -lQt5Core -lQt5Widgets -lQt5PrintSupport -lQt5OpenGL $LDFLAG_LIBPATH$QT_INSTALL_LIBS"}
if test -z "$RPATH_UNSUPPORTED"; then
QTENV_LDFLAGS="-Wl,-rpath-link=$QT_INSTALL_LIBS"
fi
QT_VERSIONCHECK_CODE=$(cat <<-EOT
qVersion();
#if QT_VERSION < QT_VERSION_CHECK(5,6,0)
#error
#endif
EOT
)
OPP_CHECK_LIB(Qt5, QtGlobal, $QT_VERSIONCHECK_CODE, $CXXFLAGS $CFLAGS $QT_CFLAGS, $QT_LIBS, qt_ok)
# Test on Windows/MinGW toolchain
if test $qt_ok = no; then
QT_LIBS="-lQtGui5 -lQtCore5 -lQtWidgets5 -lQtPrintSupport5 -lQtOpenGL5"
QTENV_LDFLAGS=""
OPP_CHECK_LIB(Qt5, QtGlobal, $QT_VERSIONCHECK_CODE, $CXXFLAGS $CFLAGS $QT_CFLAGS, $QT_LIBS, qt_ok)
fi
# Test on Mac OS X using the local Qt framework
if test $qt_ok = no; then
QT_LIBS="-framework QtGui -framework QtCore -framework QtWidgets -framework QtPrintSupport -framework QtOpenGL"
QTENV_LDFLAGS=""
OPP_CHECK_LIB(Qt5, QtGlobal, $QT_VERSIONCHECK_CODE, $CXXFLAGS $CFLAGS $QT_CFLAGS, $LDFLAGS_TOOLS_MACOSX $QT_LIBS, qt_ok)
fi
if test $qt_ok = no; then
AC_MSG_ERROR([Cannot build Qt apps, probably due to missing or too old Qt packages. Make sure Qt development packages are installed and newer than Qt 5.6. You can disable Qtenv by setting the WITH_QTENV variable to "no" in configure.user, or try setting the QT_PATH variable to a valid location.])
fi
fi
fi # WITH_QTENV
#-----------------------------
# Detecting OpenSceneGraph (libopenscenegraph-dev)
# and osgEarth (openscenegraph-plugin-osgearth and libosgearth-dev)
#-----------------------------
OSG_VERSIONCHECK_CODE=$(cat <<-EOT
#if OSG_VERSION_LESS_THAN(3, 2, 0)
#error Requires OpenSceneGraph 3.2 or later
#else
osgGetVersion();
#endif
EOT
)
OSGEARTH_VERSIONCHECK_CODE=$(cat <<-EOT
#if OSGEARTH_VERSION_LESS_THAN(2, 7, 0)
#error Requires osgEarth 2.7 or later
#else
osgEarthGetVersion();
#endif
EOT
)
if test "$WITH_OSG" = "yes"; then
OSG_LIBS=${OSG_LIBS:-"-losg -losgDB -losgGA -losgViewer -losgUtil -lOpenThreads"}
OPP_CHECK_LIB(OpenSceneGraph, osg/Version, $OSG_VERSIONCHECK_CODE, $CFLAGS $CFLAGS_ARCH $OSG_CFLAGS $CFLAGS_TOOLS_MACOSX, $LDFLAGS_ARCH $LDFLAGS_TOOLS_MACOSX $OSG_LIBS, osg_ok)
if test $osg_ok = no; then
AC_MSG_ERROR([Cannot find OpenSceneGraph 3.2 or later - 3D view in Qtenv will not be available. Set WITH_OSG=no in configure.user to disable this feature or install the development package for OpenSceneGraph.])
else
# detect osgEarth, too
if test "$WITH_OSGEARTH" = "yes"; then
OSGEARTH_LIBS=${OSGEARTH_LIBS:-"-losgEarth -losgEarthUtil"}
OPP_CHECK_LIB(osgEarth, osgEarth/Version, $OSGEARTH_VERSIONCHECK_CODE, $CFLAGS $CFLAGS_ARCH $OSGEARTH_CFLAGS $CFLAGS_TOOLS_MACOSX, $LDFLAGS_ARCH $LDFLAGS_TOOLS_MACOSX $OSGEARTH_LIBS, osgearth_ok)
if test $osgearth_ok = no; then
AC_MSG_ERROR([Cannot find osgEarth 2.7 or later. Set WITH_OSGEARTH=no in configure.user to disable this feature or install an up to date version of osgEarth.])
fi
fi # WITH_OSGEARTH
fi
fi # WITH_OSG
#--------------------------------------------------
# Check for JDK - needed for building the IDE only.
#--------------------------------------------------
if test "$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
AC_MSG_WARN(JAVA_HOME variable not set.)
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
OPP_CHECK_LIB_NOLINK(JNI, jni.h, JNI_GetCreatedJavaVMs(0,0,0), $CFLAGS $JAVA_CFLAGS, jni_ok)
if test "$jni_ok" = "no" -o "$SWIG" = "not found"; then
JNILIBS_IF_POSSIBLE=missing-dependency
else
JNILIBS_IF_POSSIBLE=jnilibs
fi
#----------------------
# Check for optional OpenMP compiler/linker flag.
#----------------------
AC_OPENMP()
#----------------------
# Check for MPI.
#----------------------
if test "$WITH_PARSIM" = "yes"; then
if test -n "$MPI_LIBS"; then
OPP_CHECK_LIB(MPI, mpi.h, MPI_Init(0,0), $CFLAGS $MPI_CFLAGS, $LDFLAGS $MPI_LIBS, mpi_ok)
else
mpi_ok=no
# LAM and OpenMPI support mpic++ -showme
# NOTE: on some systems (e.g. RHEL and Fedora), "module load openmpi_i386" or similar command may be additionally needed to make MPI accessible
AC_CHECK_PROG(MPICPP, mpic++, mpic++, not found)
if test "$MPICPP" != "not found"; then
MPI_CFLAGS=`mpic++ -showme:compile`
MPI_LIBS=`mpic++ -showme:link`
OPP_CHECK_LIB(MPI, mpi.h, MPI_Init(0,0), $CFLAGS $MPI_CFLAGS, $LDFLAGS $MPI_LIBS, mpi_ok)
fi
if test $mpi_ok = no; then
# MPICH2 has mpicxx -compile-info and -link-info, slightly broken
# (both print the same string, which includes the compiler name too)
AC_CHECK_PROG(MPICXX, mpicxx, mpicxx, not found)
if test "$MPICXX" != "not found"; then