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comparison aclocal.m4 @ 2831:19c45d29f177

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[project @ 1997-03-26 04:17:16 by jwe]
author jwe
date Wed, 26 Mar 1997 04:18:15 +0000
parents d45d48b3dcde
children 8b262e771614
comparison
equal deleted inserted replaced
2830:10a8198b1733 2831:19c45d29f177
56 else 56 else
57 $3 57 $3
58 fi 58 fi
59 fi 59 fi
60 fi]) 60 fi])
61 dnl
62 dnl
63 dnl See what libraries are used by the C++ compiler. Need this for
64 dnl dynamic linking.
65 dnl
66 dnl Write a minimal program and compile it with -v. I don't know what
67 dnl to do if your compiler doesn't have -v...
68 dnl
69 dnl OCTAVE_CXXLIBS()
70 AC_DEFUN(OCTAVE_CXXLIBS,
71 [AC_REQUIRE([AC_PROG_CXXCPP])
72 AC_REQUIRE([AC_PROG_CXX])
73 AC_MSG_CHECKING([for C++ libraries])
74 AC_CACHE_VAL(octave_cv_cxxlibs,
75 [AC_LANG_SAVE
76 AC_LANG_CPLUSPLUS
77 XCXXFLAGS="$CXXFLAGS"
78 CXXFLAGS="$XCXXFLAGS -v"
79 export CXXFLAGS
80 dnl
81 dnl This may be too tricky and break with future autoconf releases,
82 dnl but it works with version 2.3, even with the Ultrix /bin/sh.
83 dnl
84 dnl I don't think that stripping commas out of this will ever hurt.
85 dnl
86 coutput=`( AC_TRY_LINK([], [], []) ) AC_FD_CC>&1 | sed 's/,/ /g'`
87 CXXFLAGS="$XCXXFLAGS"
88 AC_LANG_RESTORE
89 changequote(, )dnl
90 dnl
91 octave_cv_cxxlibs=
92 lflags=
93 want_arg=
94 dnl
95 for arg in $coutput; do
96 if test x$want_arg = x; then
97 want_arg=
98 case $arg in
99 /*.a)
100 exists=false
101 for f in $lflags; do
102 if test x$arg = x$f; then
103 exists=true
104 fi
105 done
106 if $exists; then
107 arg=
108 else
109 lflags="$lflags $arg"
110 fi
111 ;;
112 -[LR]*)
113 exists=false
114 for f in $lflags; do
115 if test x$arg = x$f; then
116 exists=true
117 fi
118 done
119 ;;
120 -l*)
121 if test x$arg = x-lang-c++; then
122 arg=
123 else
124 lflags="$lflags $arg"
125 fi
126 ;;
127 -u)
128 want_arg=$arg
129 ;;
130 *)
131 arg=
132 ;;
133 esac
134 else
135 want_arg=
136 fi
137 if test x$arg != x; then
138 octave_cv_cxxlibs="$octave_cv_cxxlibs $arg"
139 fi
140 done
141 dnl
142 changequote([, ])])
143 AC_MSG_RESULT([$octave_cv_cxxlibs])
144 CXXLIBS="$octave_cv_cxxlibs"
145 AC_SUBST(CXXLIBS)])
146 dnl 61 dnl
147 dnl See what libraries are used by the Fortran compiler. 62 dnl See what libraries are used by the Fortran compiler.
148 dnl 63 dnl
149 dnl Write a minimal program and compile it with -v. I don't know what 64 dnl Write a minimal program and compile it with -v. I don't know what
150 dnl to do if your compiler doesn't have -v... 65 dnl to do if your compiler doesn't have -v...