sync with TeXLive revision cp -v source/doc/README.solaris...

sync with TeXLive revision cp -v source/doc/README.solaris /home/luigisvn/projects/luatex/trunk/source/doc/README.solaris; (trunk).

source/doc/README.solaris

@@ -124,18 +124,27 @@ Asymptote has been built with the following flags:
 export CC=/opt/csw/bin/gcc-5.2
 export CXX=/opt/csw/bin/g++-5.2
 ./configure --prefix=/tmp/asyinst --enable-texlive-build \
-    --disable-fftw --disable-offscreen \
+    --disable-fftw --disable-offscreen --disable-sigsegv \
     --disable-gl --disable-gsl --disable-readline
 
 Even though GL, GSL and readline should generally not be disabled,
 the resulting binaries would not be portable enough otherwise.
 
 Because a newer gcc compiler was used we had to link statically against stdlib.
-In the last command that builds the asy binary the following part:
-    -lnsl -lrt -lz -lm gc-7.4.2/.libs/libgc.a
-was replaced by:
-    gc-7.4.2/.libs/libgc.a -nodefaultlibs -Wl,-Bstatic -lstdc++ \
-    -Wl,-Bdynamic -lnsl -lrt -lz -lm -lgcc_eh -lgcc -lc
+The following patch/hack took care of this:
+
+--- Makefile.in.orig
++++ Makefile.in
+@@ -11,7 +11,7 @@
+ GCPPLIB = @GCPPLIB@
+ GCLIBS = $(GCPPLIB) $(GCLIB)
+ LFLAGS = @LDFLAGS@
+-LIBS = $(LFLAGS) @PTHREAD_LIBS@ @LIBS@ $(GCLIBS)
++LIBS = $(LFLAGS) $(GCLIBS) -nodefaultlibs -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic @PTHREAD_LIBS@ @LIBS@ -lgcc_eh -lgcc -lc
+ DOSLIBS = $(subst -lncurses, -ltermcap, $(LIBS)) -s -static
+ 
+ PERL = perl
+------
 
 The resulting binary depends on:
 
@@ -165,17 +174,6 @@ Additional notes:
   and put into gc-7.4.2
   Running ./autogen.sh was needed before proceeding
 
-* Workarounds were needed for:
-  * https://github.com/vectorgraphics/asymptote/issues/19
-    CC and CXX env variables are not respected when building GC
-  * https://github.com/vectorgraphics/asymptote/issues/20
-    Provide a configure-time option to disable sigsegv
-  * https://github.com/vectorgraphics/asymptote/pull/21
-    Makefile.in: replace 'test ! -e' => 'test ! -s'
-  * https://github.com/vectorgraphics/asymptote/issues/22
-    Wrong expansion of revision in Bourne Shell
-
-* Patches used are listed below.
 
 Building texlive
 ================
@@ -198,58 +196,3 @@ For that reason binaries were compiled twice, once without those flags
 and --disable-upmendex and the second time with those two flags,
 but taking just 'upmendex'.
 
-Patches for Asymptote
-=====================
-
---- Makefile.in (revision 40918)
-+++ Makefile.in (working copy)
-@@ -114,7 +114,7 @@
-        fi
- 
- version: $(GCLIB) $(FILES:=.o)
--       if test ! -e revision.cc -o "$(revision)" != "$(last)"; then     \
-+       if test ! -s revision.cc -o "$(revision)" != "$(last)"; then     \
-          echo $(REVISION)\"$(revision)\"\; > revision.cc; \
-        fi
-        $(CXX) $(OPTS) $(INCL) -o revision.o -c revision.cc;
-@@ -160,7 +160,7 @@
-          mv gc-7.2 gc-7.2d; \
-        fi
-        cd $(GC) && \
--       ./configure $(GCOPTIONS); \
-+       ./configure CC="$(CC)" CXX="$(CXX)" $(GCOPTIONS); \
-        $(MAKE) check
-
- $(GCPPLIB): $(GCLIB)
---- configure.ac        (revision 40918)
-+++ configure.ac        (working copy)
-@@ -223,15 +223,15 @@
- AC_SUBST(OPTIONS)
- 
- # Checks for libraries.
--AC_CHECK_LIB([ncurses], [setupterm], [AC_DEFINE(HAVE_LIBCURSES)
--                        LIBS=$LIBS"-lncurses "],
--                        AC_CHECK_LIB([curses], [setupterm]))
-+#AC_CHECK_LIB([ncurses], [setupterm], [AC_DEFINE(HAVE_LIBCURSES)
-+#                       LIBS=$LIBS"-lncurses "],
-+#                       AC_CHECK_LIB([curses], [setupterm]))
- AC_CHECK_LIB([m], [sqrt],,
- AC_MSG_ERROR([*** Please install libm on your system ***]))
- AC_CHECK_LIB([z], [deflate],,
- AC_MSG_ERROR([*** Please install libz or zlib-devel on your system ***]))
- AX_PTHREAD
--AC_CHECK_LIB([sigsegv], [stackoverflow_install_handler])
-+#AC_CHECK_LIB([sigsegv], [stackoverflow_install_handler])
- AC_CHECK_LIB([rt], [sched_yield])
- 
- AC_ARG_ENABLE(readline,
-@@ -254,7 +254,7 @@
- # Checks for header files.
- AC_HEADER_SYS_WAIT
- AC_CHECK_HEADERS([fenv.h stddef.h libintl.h])
--AC_CHECK_HEADERS([ncurses/curses.h ncurses.h curses.h], [break])
-+#AC_CHECK_HEADERS([ncurses/curses.h ncurses.h curses.h], [break])
- AC_CHECK_HEADERS(fpu_control.h)
- 
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include "xstream.h"])],
-