| 1 | # -*- Autoconf -*- |
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| 2 | # Process this file with autoconf to produce a configure script. |
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| 3 | |
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| 4 | AC_PREREQ(2.57) |
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| 5 | AC_INIT([Duchamp], [1.6.1], [Matthew.Whiting@csiro.au]) |
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| 6 | AC_CONFIG_SRCDIR([src/duchamp.hh]) |
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| 7 | AC_CONFIG_HEADER([src/config.h]) |
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| 8 | AC_PREFIX_DEFAULT(/usr/local) |
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| 9 | |
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| 10 | AC_CONFIG_AUX_DIR([config]) |
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| 11 | |
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| 12 | # Get the system type. |
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| 13 | AC_CANONICAL_BUILD |
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| 14 | ARCH="${build_cpu}-$build_os" |
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| 15 | AC_SUBST([ARCH]) |
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| 16 | |
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| 17 | # Checks for programs. |
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| 18 | AC_PROG_CXX |
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| 19 | AC_PROG_CC |
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| 20 | AC_PROG_CPP |
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| 21 | AC_PROG_F77 |
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| 22 | AC_PROG_LN_S |
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| 23 | AC_CHECK_PROGS(INSTALL, install) |
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| 24 | LINKER=$CXX |
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| 25 | |
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| 26 | # Check for maths library -- will add -lm to $LIBS |
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| 27 | AC_CHECK_LIB([m], [log]) |
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| 28 | |
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| 29 | # Checks for header files. |
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| 30 | AC_HEADER_STDC |
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| 31 | AC_CHECK_HEADERS([unistd.h time.h math.h values.h iostream fstream sstream iomanip vector string algorithm functional]) |
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| 32 | if test "x$ac_cv_header_stdc" = xno; then |
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| 33 | AC_MSG_ERROR([ |
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| 34 | ------------------------------------------------------------------- |
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| 35 | An ANSI standard C library is required to build Duchamp. |
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| 36 | One of the ANSI C header files it requires is missing or unusable. |
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| 37 | |
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| 38 | ERROR: Duchamp configuration failure. |
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| 39 | -------------------------------------------------------------------], [1]) |
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| 40 | fi |
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| 41 | |
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| 42 | # Checks for typedefs, structures, and compiler characteristics. |
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| 43 | AC_HEADER_STDBOOL |
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| 44 | AC_C_CONST |
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| 45 | AC_C_INLINE |
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| 46 | |
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| 47 | # Library and installation utilities. |
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| 48 | #------------------------------------ |
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| 49 | # (Taken from Mark Calabretta's wcslib package) |
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| 50 | # Static library generation. |
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| 51 | AC_PROG_RANLIB |
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| 52 | # Installation utilities. |
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| 53 | #AC_PROG_LN_S |
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| 54 | #AC_PROG_INSTALL |
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| 55 | |
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| 56 | |
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| 57 | # Shared library generation. |
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| 58 | if test "x$ac_cv_c_compiler_gnu" = xyes ; then |
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| 59 | # Note that -fPIC is on by default for Macs, this just makes it obvious. |
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| 60 | SHRFLAGS="-fPIC" |
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| 61 | SHRLD="\$(LINK) $SHRFLAGS" |
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| 62 | |
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| 63 | case "$build_os" in |
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| 64 | darwin*) |
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| 65 | AC_MSG_NOTICE([ Using darwin build option]) |
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| 66 | SHRLIB="libduchamp.$PACKAGE_VERSION.dylib" |
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| 67 | SHRLD="$SHRLD -dynamiclib -single_module" |
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| 68 | SHRLD="$SHRLD -compatibility_version $PACKAGE_VERSION -current_version $PACKAGE_VERSION" |
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| 69 | SHRLN="libduchamp.dylib" |
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| 70 | |
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| 71 | case "$build_cpu" in |
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| 72 | powerpc*) |
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| 73 | AC_MSG_NOTICE([ Using darwin build option with powerpc subcase]) |
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| 74 | # Switch off -fPIC (not applicable for Intel Macs). |
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| 75 | CFLAGS="$CFLAGS -mdynamic-no-pic" |
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| 76 | ;; |
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| 77 | esac |
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| 78 | ;; |
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| 79 | *) |
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| 80 | # Covers Linux and Solaris at least. |
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| 81 | AC_MSG_NOTICE([ Using alternative (linux) build option]) |
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| 82 | SHRLIB="libduchamp.so.$PACKAGE_VERSION" |
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| 83 | SHRLD="$SHRLD -shared -Wl,-soname,$SHRLIB" |
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| 84 | SHRLN="libduchamp.so" |
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| 85 | ;; |
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| 86 | esac |
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| 87 | |
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| 88 | else |
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| 89 | AC_MSG_NOTICE([ Not setting shared library options]) |
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| 90 | SHRLIB= |
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| 91 | SHRFLAGS= |
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| 92 | SHRLD= |
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| 93 | SHRSFX= |
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| 94 | SHRLN= |
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| 95 | fi |
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| 96 | |
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| 97 | AC_SUBST([SHRLIB]) |
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| 98 | AC_SUBST([SHRFLAGS]) |
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| 99 | AC_SUBST([SHRLD]) |
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| 100 | AC_SUBST([SHRSFX]) |
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| 101 | AC_SUBST([SHRLN]) |
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| 102 | |
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| 103 | # Checks for library functions. |
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| 104 | AC_FUNC_STRTOD |
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| 105 | AC_CHECK_FUNCS([floor pow sqrt strtol log atan fabs]) |
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| 106 | |
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| 107 | # Extra places to look for third-party include files and libraries. |
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| 108 | INCDIRS="$INCDIRS \ |
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| 109 | /usr/include \ |
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| 110 | /usr/local/include \ |
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| 111 | /usr/local/pgplot \ |
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| 112 | /usr/local/cfitsio \ |
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| 113 | /usr/local/wcslib \ |
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| 114 | /local/pgplot \ |
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| 115 | /local/cfitsio \ |
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| 116 | /opt/local/include" |
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| 117 | |
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| 118 | LIBDIRS="$LIBDIRS \ |
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| 119 | /usr/lib \ |
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| 120 | /usr/local/lib \ |
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| 121 | /usr/local/pgplot \ |
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| 122 | /usr/local/cfitsio \ |
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| 123 | /usr/local/wcslib \ |
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| 124 | /local/lib \ |
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| 125 | /local/pgplot \ |
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| 126 | /local/cfitsio \ |
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| 127 | /opt/SUNWspro/lib \ |
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| 128 | /opt/local/lib" |
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| 129 | |
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| 130 | AC_MSG_NOTICE(LIBDIRS) |
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| 131 | |
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| 132 | for LIBDIR in $LIBDIRS ; do |
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| 133 | AC_CHECK_FILE([$LIBDIR], [LDFLAGS="$LDFLAGS -L$LIBDIR"], [continue]) |
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| 134 | done |
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| 135 | |
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| 136 | ########################################################################## |
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| 137 | # Search for PGPLOT |
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| 138 | # use --with-pgplot=directory to specify a particular PGPLOT directory. |
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| 139 | # or --without-pgplot or --with-pgplot=no to do without it |
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| 140 | # else do the normal searching for libraries. |
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| 141 | |
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| 142 | AC_MSG_NOTICE([ -- PGPLOT -- ]) |
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| 143 | AC_ARG_WITH(pgplot, |
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| 144 | [ |
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| 145 | AC_HELP_STRING([--with-pgplot=no], |
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| 146 | [Compile without PGPLOT graphics capabilities.]) |
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| 147 | AC_HELP_STRING([--without-pgplot], |
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| 148 | [Compile without PGPLOT graphics capabilities.]) |
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| 149 | AC_HELP_STRING([--with-pgplot=<dir>], |
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| 150 | [Compile with PGPLOT graphics capabilities, using the directory <dir> to specify the PGPLOT library.]), |
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| 151 | ], |
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| 152 | [ |
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| 153 | if test "x$withval" != xno; then |
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| 154 | AC_MSG_NOTICE([Using directory "$withval"]) |
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| 155 | PGPLOTINCDIRS=$withval |
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| 156 | PGPLOTLIBDIRS=$withval |
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| 157 | LDFLAGS="$LDFLAGS -L$withval" |
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| 158 | fi |
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| 159 | ], |
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| 160 | [ |
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| 161 | PGPLOTINCDIRS=$INCDIRS |
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| 162 | PGPLOTLIBDIRS=$LIBDIRS |
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| 163 | ]) |
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| 164 | |
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| 165 | if test "x$PGPLOTLIBDIRS" = x; then |
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| 166 | #the argument to --with-pgplot was no, so we don't look for it. |
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| 167 | AC_MSG_NOTICE([Not enabling PGPLOT use.]) |
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| 168 | |
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| 169 | else |
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| 170 | |
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| 171 | #Set up the PGPLOT-related libraries and includes. |
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| 172 | |
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| 173 | for INCDIR in $PGPLOTINCDIRS ; do |
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| 174 | AC_CHECK_FILE([$INCDIR/cpgplot.h], [PGPLOTINC=-I$INCDIR; break]) |
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| 175 | AC_CHECK_FILE([$INCDIR/pgplot/cpgplot.h], [PGPLOTINC=-I$INCDIR/pgplot; break]) |
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| 176 | AC_CHECK_FILE([$INCDIR/include/cpgplot.h], [PGPLOTINC=-I$INCDIR/include; break]) |
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| 177 | done |
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| 178 | |
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| 179 | # PGPLOT compiled with a SUN compiler but linked with something else. |
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| 180 | AC_CHECK_LIB([sunmath], [cosd], [EXTRAPGLIB="-lsunmath $EXTRAPGLIB"], |
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| 181 | [], [$EXTRAPGLIB $LIBS]) |
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| 182 | AC_CHECK_LIB([M77], [iand_], [EXTRAPGLIB="-lM77 $EXTRAPGLIB"], |
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| 183 | [], [$EXTRAPGLIB $LIBS]) |
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| 184 | AC_CHECK_LIB([F77], [f77_init], [EXTRAPGLIB="-lF77 $EXTRAPGLIB"], |
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| 185 | [], [$EXTRAPGLIB $LIBS]) |
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| 186 | |
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| 187 | # Search for X11 includes and libraries. |
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| 188 | AC_PATH_XTRA() |
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| 189 | AC_MSG_NOTICE([X-library search yielded X_CFLAGS=$X_CFLAGS, X_LIBS=$X_LIBS, X_EXTRA_LIBS=$X_EXTRA_LIBS, X_PRE_LIBS=$X_PRE_LIBS]) |
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| 190 | # returns C compiler flags needed for X to X_CFLAGS and the X linker flags to X_LIBS |
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| 191 | if test "x$X_LIBS" != x; then |
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| 192 | LDFLAGS="$LDFLAGS $X_LIBS" |
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| 193 | EXTRAPGLIB="$X_LIBS $X_PRE_LIBS -lX11 $EXTRAPGLIB" |
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| 194 | fi |
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| 195 | |
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| 196 | # It is possible that other libraries may be required depending on what |
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| 197 | # graphics drivers were installed with PGPLOT. |
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| 198 | AC_CHECK_LIB([z], [deflate], [EXTRAPGLIB="$EXTRAPGLIB -lz"], |
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| 199 | [], [$EXTRAPGLIB $LIBS]) |
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| 200 | AC_CHECK_LIB([png], [png_error], [EXTRAPGLIB="$EXTRAPGLIB -lpng"], |
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| 201 | [], [$EXTRAPGLIB $LIBS]) |
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| 202 | |
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| 203 | AC_LANG([Fortran 77]) |
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| 204 | |
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| 205 | AC_CHECK_LIB([pgplot], [pgopen], [PGPLOTLIB="-lpgplot"], |
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| 206 | [], [$PGPLOTLIB $EXTRAPGLIB]) |
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| 207 | AC_LANG(C) |
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| 208 | # Checks for extra libraries needed by PGPLOT -- will add -lg2c -lstdc++ to $LIBS |
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| 209 | AC_CHECK_LIB([g2c], [gerror_]) |
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| 210 | AC_CHECK_LIB([stdc++], [main]) |
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| 211 | AC_CHECK_LIB([c++], [main]) |
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| 212 | |
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| 213 | # Need to link with libgfortran when we've used the gfortran |
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| 214 | # compiler for pgplot |
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| 215 | if test "x$F77" = xgfortran; then |
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| 216 | AC_CHECK_LIB([gfortran], [_gfortran_getenv], [PGPLOTLIB="$PGPLOTLIB -lgfortran"], [], []) |
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| 217 | fi |
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| 218 | |
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| 219 | AC_CHECK_LIB([cpgplot], [cpgopen], [PGPLOTLIB="-lcpgplot $PGPLOTLIB"], [], [$PGPLOTLIB $LIBS $EXTRAPGLIB]) |
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| 220 | |
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| 221 | # If PGPLOT is not present, we give a warning message but still continue. |
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| 222 | # The compilation is able to work without the PGPLOT-dependent files. |
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| 223 | if test "x$PGPLOTLIB" = x; then |
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| 224 | AC_MSG_NOTICE([ |
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| 225 | ------------------------------------------------------- |
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| 226 | WARNING! PGPLOT could not be found. |
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| 227 | Compiling Duchamp without graphics capabilities. |
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| 228 | -------------------------------------------------------]) |
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| 229 | else |
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| 230 | PGPLOTLIB="$PGPLOTLIB $EXTRAPGLIB $LIBS" |
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| 231 | AC_MSG_NOTICE([PGPLOT appears to be available.]) |
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| 232 | AC_DEFINE([HAVE_PGPLOT], [1], [Define to 1 if PGPLOT is available.]) |
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| 233 | for LIBDIR in $PGPLOTLIBDIRS ; do |
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| 234 | AC_CHECK_FILE([$LIBDIR/libcpgplot.a], [PGPLOTLIB="-L$LIBDIR $PGPLOTLIB"; break]) |
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| 235 | AC_CHECK_FILE([$LIBDIR/lib/libcpgplot.a], [PGPLOTLIB="-L$LIBDIR/lib $PGPLOTLIB"; break]) |
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| 236 | AC_CHECK_FILE([$LIBDIR/pgplot/libcpgplot.a], [PGPLOTLIB="-L$LIBDIR/pgplot $PGPLOTLIB"; break]) |
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| 237 | done |
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| 238 | |
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| 239 | fi |
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| 240 | |
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| 241 | fi |
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| 242 | |
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| 243 | |
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| 244 | AC_SUBST([LINKER]) |
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| 245 | AC_SUBST([PGPLOTINC]) |
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| 246 | AC_SUBST([PGPLOTLIB]) |
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| 247 | ########################################################################## |
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| 248 | |
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| 249 | ########################################################################## |
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| 250 | # Search for CFITSIO. |
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| 251 | # use --with-cfitsio=directory to specify a particular CFITSIO directory. |
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| 252 | # else do the normal searching for libraries. |
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| 253 | |
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| 254 | AC_MSG_NOTICE([ -- CFITSIO -- ]) |
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| 255 | AC_ARG_WITH(cfitsio, |
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| 256 | AC_HELP_STRING([--with-cfitsio=<dir>], |
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| 257 | [The CFITSIO library and include files are in directory <dir>.]), |
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| 258 | [ #if we specify a directory... |
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| 259 | if test "x$withval" = xno; then |
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| 260 | AC_MSG_NOTICE([ |
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| 261 | The CFITSIO library is required. |
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| 262 | Ignoring the "--with-cfitsio=no" and searching for the library.], [1]) |
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| 263 | CFITSIOINCDIRS=$INCDIRS |
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| 264 | CFITSIOLIBDIRS=$LIBDIRS |
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| 265 | else |
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| 266 | AC_MSG_NOTICE([Using directory "$withval"]) |
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| 267 | CFITSIOINCDIRS="$withval \ |
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| 268 | $withval/include" |
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| 269 | CFITSIOLIBDIRS="$withval \ |
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| 270 | $withval/lib" |
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| 271 | for LIBDIR in $CFITSIOLIBDIRS ; do |
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| 272 | AC_CHECK_FILE([$LIBDIR], [LDFLAGS="$LDFLAGS -L$LIBDIR"], [continue]) |
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| 273 | done |
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| 274 | for INCDIR in $CFITSIOINCDIRS ; do |
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| 275 | AC_CHECK_FILE([$INCDIR], [CPPFLAGS="$CPPFLAGS -I$INCDIR"], [continue]) |
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| 276 | done |
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| 277 | fi |
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| 278 | ], |
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| 279 | [ # if directory not specified, go searching. |
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| 280 | CFITSIOINCDIRS=$INCDIRS |
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| 281 | CFITSIOLIBDIRS=$LIBDIRS |
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| 282 | ]) |
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| 283 | |
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| 284 | for INCDIR in $CFITSIOINCDIRS ; do |
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| 285 | AC_CHECK_FILE([$INCDIR/fitsio.h], [CFITSIOINC=-I$INCDIR; break]) |
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| 286 | INCDIR=$INCDIR/cfitsio |
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| 287 | AC_CHECK_FILE([$INCDIR/fitsio.h], [CFITSIOINC=-I$INCDIR; break]) |
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| 288 | done |
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| 289 | |
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| 290 | AC_CHECK_LIB([socket], [recv], [CFITSIOLIB="$CFITSIOLIB -lsocket"], [], [$LIBS]) |
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| 291 | AC_CHECK_LIB([cfitsio], [ffopen], [CFITSIOLIB="$CFITSIOLIB -lcfitsio"], [], |
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| 292 | [$CFITSIOLIB $LIBS]) |
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| 293 | |
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| 294 | # CFITSIO is essential for Duchamp, so exit with error message if it |
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| 295 | # is not present. |
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| 296 | if test "x$CFITSIOINC" = x -o "x$CFITSIOLIB" = x; then |
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| 297 | AC_MSG_ERROR([ |
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| 298 | ------------------------------------------------------- |
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| 299 | Could not find the CFITSIO library. |
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| 300 | |
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| 301 | ERROR: Duchamp configuration failure. |
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| 302 | -------------------------------------------------------], [1]) |
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| 303 | else |
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| 304 | AC_MSG_NOTICE([CFITSIO appears to be available.]) |
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| 305 | AC_DEFINE([HAVE_CFITSIO], [1], [Define to 1 if CFITSIO is available.]) |
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| 306 | for LIBDIR in $CFITSIOLIBDIRS ; do |
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| 307 | AC_CHECK_FILE([$LIBDIR/libcfitsio.a], [CFITSIOLIB="-L$LIBDIR $CFITSIOLIB"; break]) |
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| 308 | LIBDIR=$LIBDIR/cfitsio |
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| 309 | AC_CHECK_FILE([$LIBDIR/libcfitsio.a], [CFITSIOLIB="-L$LIBDIR $CFITSIOLIB"; break]) |
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| 310 | done |
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| 311 | |
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| 312 | fi |
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| 313 | |
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| 314 | AC_SUBST([CFITSIOINC]) |
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| 315 | AC_SUBST([CFITSIOLIB]) |
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| 316 | ########################################################################## |
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| 317 | |
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| 318 | ########################################################################## |
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| 319 | # Search for WCSLIB. |
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| 320 | # use --with-wcslib=directory to specify a particular WCSLIB directory. |
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| 321 | # else do the normal searching for libraries. |
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| 322 | |
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| 323 | AC_MSG_NOTICE([ -- WCSLIB -- ]) |
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| 324 | WCSINCDIR="" |
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| 325 | AC_ARG_WITH(wcslib, |
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| 326 | AC_HELP_STRING([--with-wcslib=<dir>], |
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| 327 | [The WCSLIB library and include files are in directory <dir>.]), |
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| 328 | [ #if we specify a directory... |
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| 329 | if test "x$withval" = xno; then |
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| 330 | AC_MSG_NOTICE([ |
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| 331 | The WCSLIB library is required. |
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| 332 | Ignoring the "--with-wcslib=no" and searching for the library.], [1]) |
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| 333 | WCSINCDIRS=$INCDIRS |
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| 334 | WCSLIBDIRS=$LIBDIRS |
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| 335 | else |
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| 336 | AC_MSG_NOTICE([Using directory "$withval"]) |
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| 337 | WCSINCDIRS="$withval \ |
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| 338 | $withval/include" |
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| 339 | WCSLIBDIRS="$withval \ |
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| 340 | $withval/lib" |
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| 341 | for LIBDIR in $WCSLIBDIRS ; do |
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| 342 | AC_CHECK_FILE([$LIBDIR], [LDFLAGS="$LDFLAGS -L$LIBDIR"], [continue]) |
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| 343 | done |
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| 344 | for INCDIR in $WCSINCDIRS ; do |
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| 345 | AC_CHECK_FILE([$INCDIR/wcslib], |
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| 346 | [CPPFLAGS="$CPPFLAGS -I$INCDIR"; WCSINCDIR=$INCDIR; break], |
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| 347 | [continue]) |
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| 348 | done |
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| 349 | fi |
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| 350 | ], |
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| 351 | [ # if directory not specified, go searching. |
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| 352 | WCSINCDIRS=$INCDIRS |
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| 353 | WCSLIBDIRS=$LIBDIRS |
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| 354 | ]) |
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| 355 | |
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| 356 | |
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| 357 | if test "x$WCSINCDIR" = x; then |
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| 358 | for INCBASE in $WCSINCDIRS ; do |
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| 359 | AC_CHECK_FILE([$INCBASE/wcslib/wcs.h], [WCSINC="-I$INCBASE -I$INCBASE/wcslib $WCSINC"; break]) |
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| 360 | done |
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| 361 | else |
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| 362 | AC_CHECK_FILE([$WCSINCDIR/wcslib/wcs.h], [WCSINC="-I$WCSINCDIR -I$WCSINCDIR/wcslib $WCSINC"]) |
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| 363 | fi |
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| 364 | |
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| 365 | |
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| 366 | # Look for libwcs.a, and libpgsbox.a |
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| 367 | AC_CHECK_LIB([wcs], [wcss2p], [WCSLIB="$WCSLIB -lwcs"], [], |
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| 368 | [$WCSLIB $LIBS $CFITSIOLIB $PGPLOTLIB]) |
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| 369 | |
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| 370 | # Only use libpgsbox if we have pgplot enabled - determine this by testing the PGPLOTINCDIRS variable |
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| 371 | if test "x$PGPLOTINCDIRS" != x; then |
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| 372 | AC_CHECK_LIB([pgsbox], [cpgsbox], [WCSLIB="$WCSLIB -lpgsbox"], [], |
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| 373 | [$WCSLIB $LIBS $CFITSIOLIB $PGPLOTLIB]) |
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| 374 | fi |
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| 375 | |
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| 376 | # WCSLIB is essential for Duchamp, so exit with error message if it |
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| 377 | # is not present. Need at least libwcs to be available -- libpgsbox will |
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| 378 | # depend on PGPLOT being available, but is not critical. |
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| 379 | if test "x$WCSINC" = x -o "x$WCSLIB" = x; then |
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| 380 | AC_MSG_ERROR([ |
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| 381 | ------------------------------------------------------- |
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| 382 | Could not find the WCSLIB library. |
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| 383 | |
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| 384 | ERROR: Duchamp configuration failure. |
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| 385 | -------------------------------------------------------], [1]) |
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| 386 | else |
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| 387 | AC_MSG_NOTICE([WCSLIB appears to be available.]) |
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| 388 | AC_DEFINE([HAVE_WCSLIB], [1], [Define to 1 if WCSLIB is available.]) |
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| 389 | # Now add the -L statements to start of WCSLIB. |
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| 390 | # Search for libwcs.a, and, if we find it, search for libpgsbox in same directory and |
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| 391 | # then in other directories, keeping the appropriate order of -L calls. |
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| 392 | |
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| 393 | DIRLIST=". \ |
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| 394 | wcs \ |
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| 395 | wcslib" |
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| 396 | |
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| 397 | for LIBBASE in $WCSLIBDIRS ; do |
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| 398 | for DIR in $DIRLIST; do |
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| 399 | if test "x$DIR" = x.; then |
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| 400 | LIBDIR=$LIBBASE |
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| 401 | else |
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| 402 | LIBDIR="$LIBBASE/$DIR" |
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| 403 | fi |
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| 404 | AC_CHECK_FILE([$LIBDIR/libwcs.a], |
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| 405 | [WCSLIBFRONT="-L$LIBDIR"; |
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| 406 | AC_CHECK_FILE([$LIBDIR/libpgsbox.a], [], [ |
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| 407 | for LIBBASE2 in $WCSLIBDIRS ; do |
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| 408 | for DIR2 in $DIRLIST; do |
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| 409 | if test "x$DIR" = x.; then |
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| 410 | LIBDIR=$LIBBASE |
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| 411 | else |
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| 412 | LIBDIR="$LIBBASE/$DIR" |
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| 413 | fi |
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| 414 | AC_CHECK_FILE([$LIBDIR2/libpgsbox.a], |
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| 415 | [WCSLIBFRONT="$WCSLIB -L$LIBDIR2"; break]) |
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| 416 | done |
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| 417 | done]) |
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| 418 | break]) |
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| 419 | done |
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| 420 | done |
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| 421 | WCSLIB="$WCSLIBFRONT $WCSLIB" |
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| 422 | fi |
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| 423 | |
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| 424 | AC_SUBST([WCSINC]) |
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| 425 | AC_SUBST([WCSLIB]) |
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| 426 | ########################################################################## |
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| 427 | |
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| 428 | AC_SUBST([LDFLAGS]) |
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| 429 | |
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| 430 | AC_CONFIG_FILES([Makefile]) |
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| 431 | AC_OUTPUT |
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