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