--- rpl/configure.ac	2016/02/04 15:12:30	1.144
+++ rpl/configure.ac	2017/06/20 15:39:11	1.188
@@ -1,5 +1,5 @@
 dnl Process this file with autoconf to produce a configure script.
-AC_INIT([rpl],[4.1.24])
+AC_INIT([rpl],[4.1.26])
 AC_CANONICAL_TARGET
 AC_CANONICAL_TARGET
 AM_INIT_AUTOMAKE(silent-rules)
@@ -9,26 +9,26 @@ AC_CONFIG_HEADERS([rplconfig.h])
 
 dnl Libraries
 NCURSES=ncurses-6.0
-READLINE=readline-6.3
-UNITS=units-2.12
-GSL=gsl-2.1
+READLINE=readline-7.0
+UNITS=units-2.13
+GSL=gsl-2.4
 GPP=gpp-3.0
-GNUPLOT=gnuplot-5.0.1
-FILE=file-5.11
+GNUPLOT=gnuplot-5.0.5
+FILE=file-5.29
 ICONV=libiconv-1.14
-SQLITE=sqlite-3.9.2
-OPENSSL=openssl-1.0.2f
-OPENMOTIF=openmotif-2.3.4
-LIBXPM=libXpm-3.5.9
+SQLITE=sqlite-3.16.2
+OPENSSL=openssl-1.1.0f
+OPENMOTIF=openmotif-2.3.7
+LIBXPM=libXpm-3.5.11
 SIGSEGV=libsigsegv-2.11
 ZLIB=zlib-1.2.8
 
-GMP=gmp-6.1.0
-MPFR=mpfr-3.1.3
+GMP=gmp-6.1.1
+MPFR=mpfr-3.1.5
 MPFI=mpfi-1.5.1
-NTL=ntl-5.5.2
-COCOA=CoCoALib-0.9950
-PARI=pari-2.5.4
+NTL=ntl-9.11.0
+COCOA=CoCoALib-0.99542
+PARI=pari-2.7.6
 GIAC=giac-1.2.2
 
 dnl 32 bits ABI
@@ -211,7 +211,7 @@ AC_SUBST(INCRPLCAS)
 
 dnl Options
 AC_ARG_ENABLE(optimization,
-[  --enable-optimization   set compiler flags [[default=environment variables -O3]]], [
+[  --enable-optimization   set compiler flags [[default=environment variables -O2, enable=environment variables -O3]]], [
 if test "$enableval" = "no"; then
 	CFLAGS=$ABI
 	FFLAGS=$ABI
@@ -223,10 +223,10 @@ else
 	CXXFLAGS="$CXXFLAGS $ABI $OPTIMISATION_CXX"
 	FCFLAGS="$FCFLAGS $ABI $OPTIMISATION_F"
 fi],[
-	CFLAGS="$CFLAGS $ABI $OPTIMISATION_C" 
-	FFLAGS="$FFLAGS $ABI $OPTIMISATION_F"
-	CXXFLAGS="$CXXFLAGS $ABI $OPTIMISATION_CXX"
-	FCFLAGS="$FCFLAGS $ABI $OPTIMISATION_F"
+	CFLAGS="$CFLAGS $ABI -O2" 
+	FFLAGS="$FFLAGS $ABI -O2"
+	CXXFLAGS="$CXXFLAGS $ABI -O2"
+	FCFLAGS="$FCFLAGS $ABI -O2"
 	]
 )
 
@@ -249,27 +249,6 @@ if test "$ac_cv_c_inline" != no ; then
     AC_SUBST(HAVE_INLINE)
 fi
 
-AC_MSG_CHECKING([for pselect])
-AC_COMPILE_IFELSE(
-	[AC_LANG_PROGRAM([#include <sys/select.h>
-	 #include <unistd.h>
-	 #include <sys/time.h>
-	 #include <sys/types.h>
-	 ],
-	[
-	 struct timespec tv;
-	 fd_set s1, s2, s3;
-	 tv.tv_sec=1;
-	 tv.tv_nsec=0;
-	 FD_SET(1, &s1); FD_SET(2, &s2); FD_SET(3, &s3);
-	 pselect(5, &s1, &s2, &s3, &tv, NULL);
-	 return(0);
-	])],
-[PSELECT=-DPSELECT; AC_MSG_RESULT(yes)],
-[PSELECT=-UPSELECT; AC_MSG_RESULT(no)]
-	)
-AC_SUBST(PSELECT)
-
 AC_ARG_ENABLE(sysv-ipcs,
 [  --enable-sysv-ipcs      use SystemV IPC functions [[default=guessed]]], [
 if test "$enableval" = "no"; then
@@ -766,7 +745,7 @@ AC_ARG_WITH(mysql,
 [  --with-mysql=PATH         specify directory for installed mysql],
 [], [with_mysql=check])
 
-if test "x$with_mysql" = xcheck -o "x$with_mysql" = yes; then
+if test "x$with_mysql" = xcheck -o "x$with_mysql" = xyes; then
 	libMySQLinc="-I/usr/include"
 	libMySQLlib="/usr/lib"
 
@@ -1196,6 +1175,7 @@ esac
 AC_SUBST(OS)
 
 MALLOC=
+NO_EXPORT_DYNAMIC=-Wl,--no-export-dynamic
 
 case $OS in
     Darwin)
@@ -1344,6 +1324,16 @@ case $OS in
 	break ;;
 esac
 
+BROKEN_SIGSEGV=-UBROKEN_SIGSEGV
+BUILD_SIGSEGV=$SIGSEGV
+if test x"$LIB_PREFIX" = x"lib"; then
+	LIBSIGSEGV=\$\(top_builddir\)/tools/$SIGSEGV/src/.libs/libsigsegv.a
+else
+	LIBSIGSEGV=\$\(top_builddir\)/tools/$SIGSEGV/src/.libs/sigsegv.a
+fi
+INCSIGSEGV="-I\$(top_builddir)/tools/$SIGSEGV/src"
+CYGWIN_LDFLAGS=
+
 case $HOST in
 	x86_64-*-linux-gnu)
 		ARCH=amd64
@@ -1361,17 +1351,31 @@ case $HOST in
 		ARCH=mipsel
 	break;;
 
+	x86_64-*-cygwin)
+		BROKEN_SIGSEGV=-DBROKEN_SIGSEGV
+		BUILD_SIGSEGV=
+		INCSIGSEGV=
+		LIBSIGSEGV=
+		ARCH=$(echo $HOST | cut -f1 -d-)
+		CYGWIN_LDFLAGS=-Wl,--allow-multiple-definition \
+				-Wl,--out-implib,rpl.exe.a
+	break;;
+
 	*)
 		ARCH=$(echo $HOST | cut -f1 -d-)
 	break ;;
 esac
 
+AC_SUBST(INCSIGSEGV)
+AC_SUBST(LIBSIGSEGV)
 AC_SUBST(WHOLE_LIB1)
 AC_SUBST(WHOLE_LIB2)
 AC_SUBST(LIB_PREFIX)
+AC_SUBST(CYGWIN_LDFLAGS)
 
 AC_SUBST(C_STANDARD)
 AC_SUBST(EXPORT_DYNAMIC)
+AC_SUBST(NO_EXPORT_DYNAMIC)
 AC_SUBST(NESTED_FUNCTIONS)
 AC_SUBST(SEMAPHORES_NOMMES)
 AC_SUBST(IPCS_SYSV)
@@ -1410,6 +1414,8 @@ AC_SUBST(GIAC)
 AC_SUBST(INCMOTIF)
 AC_SUBST(LIBMOTIF)
 AC_SUBST(ZLIB)
+AC_SUBST(BUILD_SIGSEGV)
+AC_SUBST(BROKEN_SIGSEGV)
 
 AC_SUBST(CFLAGS)
 AC_SUBST(CXXFLAGS)
@@ -1432,7 +1438,9 @@ if test $RECURSIVE = yes; then
 	AC_CONFIG_SUBDIRS(tools/$ICONV)
 	AC_CONFIG_SUBDIRS(tools/$SQLITE)
 	AC_CONFIG_SUBDIRS(tools/$UNITS)
-	AC_CONFIG_SUBDIRS(tools/$SIGSEGV)
+	if test x$BUILD_SIGSEGV = x$SIGSEGV; then
+		AC_CONFIG_SUBDIRS(tools/$SIGSEGV)
+	fi
 fi
 
 AC_CONFIG_FILES(Makefile)