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1 dnl Process this file with autoconf to produce a configure script. |
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2 |
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3 AC_INIT |
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4 AC_CONFIG_SRCDIR([libmng.h]) |
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5 AC_PREREQ(2.52) |
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6 |
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7 dnl this call will define PACKAGE and VERSION |
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8 dnl please use this as the primary reference for the version number |
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9 AM_INIT_AUTOMAKE(libmng, 1.0.9) |
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10 |
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11 dnl pass the version string on the the makefiles |
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12 AC_SUBST(PACKAGE) |
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13 AC_SUBST(VERSION) |
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14 |
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15 dnl Checks for programs. |
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16 AC_PROG_CC |
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17 AC_ISC_POSIX |
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18 AM_C_PROTOTYPES |
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19 if test "x$U" != "x"; then |
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20 AC_MSG_ERROR(Compiler not ANSI compliant) |
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21 fi |
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22 AM_PROG_LIBTOOL |
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23 AC_PROG_INSTALL |
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24 |
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25 dnl support for files >2GB |
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26 AC_SYS_LARGEFILE |
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27 |
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28 dnl Check for required header files |
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29 AC_HEADER_STDC |
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30 |
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31 dnl Checks for typedefs, structures, and compiler characteristics. |
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32 AC_C_CONST |
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33 |
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34 dnl need pow and fabs |
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35 AC_CHECK_FUNC(pow, , AC_CHECK_LIB(m, pow, LIBS="$LIBS -lm")) |
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36 |
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37 |
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38 dnl what functionality we want to add (read, write, display). |
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39 dnl all on by default. see libmng_conf.h for full descriptions |
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40 |
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41 dnl not building a standard shared object? |
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42 AC_ARG_ENABLE(buildso, |
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43 [ --disable-buildso disable building standard shared object]) |
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44 if test "x$enable_buildso" != "xno"; then |
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45 AC_DEFINE(MNG_BUILD_SO) |
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46 fi |
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47 |
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48 dnl we only support the full mng spec for now (no LC or VLC) |
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49 AC_DEFINE(MNG_SUPPORT_FULL) |
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50 |
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51 dnl remove support in library to read images? |
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52 AC_ARG_ENABLE(read, |
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53 [ --disable-read remove read support from library]) |
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54 if test "x$enable_read" != "xno"; then |
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55 AC_DEFINE(MNG_SUPPORT_READ) |
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56 fi |
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57 |
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58 dnl remove support in library to write images? |
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59 AC_ARG_ENABLE(write, |
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60 [ --disable-write remove write support from library]) |
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61 if test "x$enable_write" != "xno"; then |
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62 AC_DEFINE(MNG_SUPPORT_WRITE) |
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63 fi |
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64 |
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65 dnl remove support in library to display images? |
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66 AC_ARG_ENABLE(display, |
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67 [ --disable-display remove display support from library]) |
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68 if test "x$enable_display" != "xno"; then |
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69 AC_DEFINE(MNG_SUPPORT_DISPLAY) |
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70 fi |
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71 |
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72 dnl remove support for 'dynamic' MNG? |
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73 AC_ARG_ENABLE(dynamic, |
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74 [ --disable-dynamic remove dynamic MNG support from library]) |
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75 if test "x$enable_dynamic" != "xno"; then |
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76 AC_DEFINE(MNG_SUPPORT_DYNAMICMNG) |
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77 fi |
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78 |
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79 dnl remove support in library to access chunks? |
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80 AC_ARG_ENABLE(chunks, |
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81 [ --disable-chunks remove support for chunk access]) |
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82 if test "x$enable_chunks" != "xno"; then |
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83 AC_DEFINE(MNG_ACCESS_CHUNKS) |
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84 fi |
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85 |
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86 dnl disable support for accessing chunks that have been previously read? |
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87 AC_ARG_ENABLE(storechunks, |
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88 [ --disable-storechunks remove support for access of previous chunks]) |
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89 if test "x$enable_storechunks" != "xno"; then |
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90 AC_DEFINE(MNG_STORE_CHUNKS) |
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91 fi |
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92 |
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93 dnl enable support for debug tracing callbacks and messages? |
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94 AC_ARG_ENABLE(trace, |
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95 [ --enable-trace include support for debug tracing callbacks],[ |
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96 if test "x$enable_trace" = "xyes"; then |
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97 AC_DEFINE(MNG_SUPPORT_TRACE) |
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98 AC_DEFINE(MNG_TRACE_TELLTALE) |
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99 fi |
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100 ]) |
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101 |
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102 dnl verbose error text |
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103 dnl this should always be on |
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104 AC_DEFINE(MNG_ERROR_TELLTALE) |
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105 |
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106 |
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107 dnl libz is required. |
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108 AC_ARG_WITH(zlib, |
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109 [ --with-zlib[=DIR] use zlib include/library files in DIR],[ |
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110 if test -d "$withval"; then |
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111 CPPFLAGS="$CPPFLAGS -I$withval/include" |
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112 LDFLAGS="$LDFLAGS -L$withval/lib" |
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113 fi |
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114 ]) |
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115 AC_CHECK_HEADER(zlib.h, |
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116 AC_CHECK_LIB(z, gzread, , AC_MSG_ERROR(zlib library not found)), |
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117 AC_MSG_ERROR(zlib header not found) |
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118 ) |
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119 |
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120 dnl check for jpeg library |
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121 AC_ARG_WITH(jpeg, |
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122 [ --with-jpeg[=DIR] use jpeg include/library files in DIR], |
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123 [with_jpeg=$withval],[with_jpeg=_auto]) |
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124 |
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125 if test "x$with_jpeg" != "xno" -a "x$with_jpeg" != "xyes" -a \ |
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126 "x$with_jpeg" != "x_auto"; then |
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127 # Save in case test with directory specified fails |
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128 _cppflags=${CPPFLAGS} |
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129 _ldflags=${LDFLAGS} |
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130 _restore=1 |
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131 |
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132 CPPFLAGS="${CPPFLAGS} -I$withval/include" |
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133 LDFLAGS="${LDFLAGS} -L$withval/lib" |
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134 else |
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135 _restore=0 |
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136 fi |
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137 |
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138 if test "x$with_jpeg" != "xno"; then |
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139 AC_CHECK_HEADER(jpeglib.h, |
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140 AC_CHECK_LIB(jpeg, jpeg_read_header, [ |
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141 LIBS="$LIBS -ljpeg" |
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142 AC_DEFINE(HAVE_LIBJPEG) |
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143 _restore=0 |
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144 ], |
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145 AC_MSG_WARN(jpeg library not found)), |
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146 AC_MSG_WARN(jpeg header not found) |
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147 ) |
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148 fi |
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149 |
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150 test $_restore -eq 1 && CPPFLAGS=$_cppflags LDFLAGS=$_ldflags |
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151 |
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152 dnl check for lcms library |
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153 AC_ARG_WITH(lcms, |
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154 [ --with-lcms[=DIR] use lcms include/library files in DIR], |
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155 [with_lcms=$withval],[with_lcms=_auto]) |
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156 |
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157 if test "x$with_lcms" != "xno" -a "x$with_lcms" != "xyes" -a \ |
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158 "x$with_lcms" != "x_auto"; then |
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159 # Save in case test with directory specified fails |
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160 _cppflags=$CPPFLAGS |
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161 _ldflags=$LDFLAGS |
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162 _restore=1 |
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163 |
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164 CPPFLAGS="$CPPFLAGS -I$withval/include" |
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165 LDFLAGS="$LDFLAGS -L$withval/lib" |
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166 else |
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167 _restore=0 |
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168 fi |
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169 |
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170 if test "x$with_lcms" != "xno"; then |
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171 AC_CHECK_HEADER(lcms.h, [ |
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172 have_lcms=yes |
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173 AC_CHECK_LIB(lcms, cmsCreateRGBProfile, [ |
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174 LIBS="$LIBS -llcms" |
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175 AC_DEFINE(HAVE_LIBLCMS) |
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176 dnl for now this implies MNG_INCLUDE_LCMS in the headers: |
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177 AC_DEFINE(MNG_FULL_CMS) |
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178 _restore=0 |
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179 have_lcms=yes |
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180 ],[ |
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181 have_lcms=no |
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182 ]) |
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183 ]) |
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184 dnl give feedback only if the user asked specifically for lcms |
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185 if test "x$with_lcms" != "x_auto" -a "x$have_lcms" != "xyes"; then |
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186 AC_MSG_WARN([lcms not found... disabling CMS support]) |
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187 fi |
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188 fi |
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189 |
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190 test $_restore -eq 1 && CPPFLAGS=$_cppflags LDFLAGS=$_ldflags |
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191 |
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192 AC_CONFIG_FILES([Makefile]) |
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193 AC_OUTPUT |