1 AC_PREREQ(2.59) 2 AC_INIT([EXIF library], [0.6.21], [libexif-devel (a] lists.sourceforge.net], [libexif]) 3 AC_CONFIG_SRCDIR([libexif/exif-data.h]) 4 AC_CONFIG_HEADERS([config.h]) 5 AC_CONFIG_MACRO_DIR([auto-m4]) 6 AM_INIT_AUTOMAKE([-Wall gnu 1.9 dist-bzip2 dist-zip check-news]) 7 AM_MAINTAINER_MODE 8 9 # Use the silent-rules feature when possible. 10 m4_ifndef([AM_SILENT_RULES], [m4_define([AM_SILENT_RULES],[])]) 11 AM_SILENT_RULES([no]) 12 13 if test ! -d "$srcdir/m4m"; then 14 AC_MSG_ERROR([ 15 You are missing the m4m/ directory in your top 16 $PACKAGE_TARNAME source directory. 17 18 You are probably using an ill-maintained CVS tree. 19 Running 20 21 cd $srcdir 22 cvs co m4m 23 24 and re-running autogen.sh might help. 25 ]) 26 fi 27 28 GP_CHECK_SHELL_ENVIRONMENT 29 GP_CONFIG_MSG([Build]) 30 GP_CONFIG_MSG([Source code location],[${srcdir}]) 31 32 dnl --------------------------------------------------------------------------- 33 dnl Advanced information about versioning: 34 dnl * "Writing shared libraries" by Mike Hearn 35 dnl http://plan99.net/~mike/writing-shared-libraries.html 36 dnl * libtool.info chapter "Versioning" 37 dnl * libtool.info chapter "Updating library version information" 38 dnl --------------------------------------------------------------------------- 39 dnl Versioning: 40 dnl - CURRENT (Major): Increment if the interface has changes. AGE is always 41 dnl *changed* at the same time. 42 dnl - AGE (Micro): Increment if any interfaces have been added; set to 0 43 dnl if any interfaces have been removed. Removal has 44 dnl precedence over adding, so set to 0 if both happened. 45 dnl It denotes upward compatibility. 46 dnl - REVISION (Minor): Increment any time the source changes; set to 47 dnl 0 if you incremented CURRENT. 48 dnl 49 dnl To summarize. Any interface *change* increment CURRENT. If that interface 50 dnl change does not break upward compatibility (ie it is an addition), 51 dnl increment AGE, Otherwise AGE is reset to 0. If CURRENT has changed, 52 dnl REVISION is set to 0, otherwise REVISION is incremented. 53 dnl --------------------------------------------------------------------------- 54 dnl C:A:R 55 dnl 12:0:1 0.6.13 56 dnl 13:1:0 added EXIF_DATA_OPTION_DONT_CHANGE_MAKER_NOTE (for 0.6.14) 57 dnl 14:2:0 added XP_ WinXP tags (for 0.6.15) 58 dnl 14:2:1 0.6.17 59 dnl 15:3:0 added exif_loader_get_buf (for 0.6.18) 60 dnl 15:3:1 0.6.19 61 dnl 15:3:2 0.6.20 62 dnl 15:3:3 0.6.21 63 LIBEXIF_CURRENT=15 64 LIBEXIF_AGE=3 65 LIBEXIF_REVISION=3 66 AC_SUBST([LIBEXIF_AGE]) 67 AC_SUBST([LIBEXIF_REVISION]) 68 AC_SUBST([LIBEXIF_CURRENT]) 69 AC_SUBST([LIBEXIF_CURRENT_MIN],[`expr $LIBEXIF_CURRENT - $LIBEXIF_AGE`]) 70 LIBEXIF_VERSION_INFO="$LIBEXIF_CURRENT:$LIBEXIF_REVISION:$LIBEXIF_AGE" 71 AC_SUBST([LIBEXIF_VERSION_INFO]) 72 73 AC_PROG_CC 74 AC_C_CONST 75 AC_C_INLINE 76 dnl FIXME: AC_LIBTOOL_WIN32_DLL 77 AM_PROG_LIBTOOL 78 AM_CPPFLAGS="$CPPFLAGS" 79 GP_CONFIG_MSG([Compiler],[${CC}]) 80 81 82 dnl Create a stdint.h-like file containing size-specific integer definitions 83 dnl that will always be available 84 AX_NEED_STDINT_H([libexif/_stdint.h]) 85 86 87 dnl ------------------------------------------------------------------------ 88 dnl Whether we're supposed to ship binaries in the tarball 89 dnl ------------------------------------------------------------------------ 90 91 ship_binaries=false 92 AC_ARG_ENABLE([ship-binaries], 93 [AS_HELP_STRING([--enable-ship-binaries], 94 [Whether to ship binaries in the tarball [default=no]])],[ 95 if test x$enableval = xyes; then 96 ship_binaries=true 97 fi 98 ]) 99 AM_CONDITIONAL([SHIP_BINARIES],[$ship_binaries]) 100 GP_CONFIG_MSG([Ship binaries in tarball],[$ship_binaries]) 101 102 103 dnl --------------------------------------------------------------------------- 104 dnl Whether -lm is required for our math functions 105 dnl --------------------------------------------------------------------------- 106 107 # we need sqrt and pow which may be in libm 108 # We cannot use AC_CHECK_FUNC because if CFLAGS contains 109 # -Wall -Werror here the check fails because 110 # char *sqrt() conflicts with double sqrt(double xx) 111 112 # Start by assuming -lm is needed, because it's possible that the little 113 # test program below will be optimized to in-line floating point code that 114 # doesn't require -lm, whereas the library itself cannot be so optimized 115 # (this actually seems to be the case on x86 with gcc 4.2). Assuming the 116 # reverse means that -lm could be needed but wouldn't be detected below. 117 118 LIBS_orig="$LIBS" 119 LIBS="$LIBS -lm" 120 AC_MSG_CHECKING([for math functions in libm]) 121 AC_LINK_IFELSE([ 122 #include <math.h> 123 int main() { 124 double s = sqrt(0); 125 double p = pow(s,s); 126 return (int)p; 127 } 128 ], [AC_MSG_RESULT(yes)], [ 129 AC_MSG_RESULT(no) 130 LIBS="$LIBS_orig" 131 AC_MSG_CHECKING([for math functions without libm]) 132 AC_LINK_IFELSE([ 133 #include <math.h> 134 int main() { 135 double s = sqrt(0); 136 double p = pow(s,s); 137 return (int)p; 138 } 139 ], [ 140 AC_MSG_RESULT(yes) 141 ],[ 142 AC_MSG_RESULT(no) 143 AC_MSG_ERROR([*** Could not find sqrt() & pow() functions]) 144 ]) 145 ]) 146 147 # doc support 148 GP_CHECK_DOC_DIR 149 GP_CHECK_DOXYGEN 150 151 # Whether to enable the internal docs build. 152 # 153 # This takes quite some time due to the generation of lots of call 154 # graphs, so it is disabled by default. 155 set_enable_internal_docs=no 156 AC_ARG_ENABLE([internal-docs], [dnl 157 AS_HELP_STRING([--enable-internal-docs], 158 [Build internal code docs if doxygen available])], [dnl 159 dnl If either --enable-foo nor --disable-foo were given, execute this. 160 if test "x$enableval" = xno \ 161 || test "x$enableval" = xoff \ 162 || test "x$enableval" = xfalse; 163 then 164 set_enable_internal_docs=no 165 elif test "x$enableval" = xyes \ 166 || test "x$enableval" = xon \ 167 || test "x$enableval" = xtrue 168 then 169 set_enable_internal_docs=yes 170 fi 171 ]) 172 AC_MSG_CHECKING([whether to create internal code docs]) 173 AC_MSG_RESULT([${set_enable_internal_docs}]) 174 AM_CONDITIONAL([ENABLE_INTERNAL_DOCS], [test "x${set_enable_internal_docs}" = "xyes"]) 175 176 177 # --------------------------------------------------------------------------- 178 # i18n support 179 # --------------------------------------------------------------------------- 180 ALL_LINGUAS="be bs cs da de en_AU en_CA en_GB es fr it ja nl pl pt pt_BR ru sk sq sr sv tr uk vi zh_CN" 181 AM_PO_SUBDIRS 182 GP_GETTEXT_HACK([${PACKAGE}-${LIBEXIF_CURRENT_MIN}], 183 [Lutz Mueller and others]) 184 AM_GNU_GETTEXT_VERSION([0.14.1]) 185 AM_GNU_GETTEXT([external]) 186 AM_ICONV() 187 GP_GETTEXT_FLAGS() 188 189 190 dnl --------------------------------------------------------------------------- 191 dnl Thread-safe functions 192 dnl --------------------------------------------------------------------------- 193 AC_CHECK_FUNCS(localtime_r) 194 195 dnl --------------------------------------------------------------------------- 196 dnl Compiler/Linker Options and Warnings 197 dnl --------------------------------------------------------------------------- 198 AM_CPPFLAGS="$AM_CPPFLAGS -I\$(top_srcdir)" 199 AM_CPPFLAGS="$AM_CPPFLAGS -I\$(top_builddir)" 200 AM_LDFLAGS="$LDFLAGS" 201 if test "x$GCC" = "xyes"; then 202 AM_CFLAGS="$AM_CFLAGS -ansi -pedantic-error" 203 AM_CXXFLAGS="$AM_CXXFLAGS -ansi -pedantic-error" 204 AM_CPPFLAGS="$AM_CPPFLAGS -g -Wall -Wmissing-declarations -Wmissing-prototypes" 205 AM_LDFLAGS="$AM_LDFLAGS -g -Wall" 206 fi 207 208 209 210 AC_SUBST(AM_CPPFLAGS) 211 AC_SUBST(AM_LDFLAGS) 212 213 214 dnl --------------------------------------------------------------------------- 215 dnl Output files 216 dnl --------------------------------------------------------------------------- 217 AC_CONFIG_FILES([ po/Makefile.in 218 Makefile 219 libexif.spec 220 libexif/Makefile 221 test/Makefile 222 test/nls/Makefile 223 m4m/Makefile 224 doc/Makefile 225 doc/Doxyfile 226 doc/Doxyfile-internals 227 libexif.pc 228 libexif-uninstalled.pc 229 binary/Makefile 230 contrib/Makefile 231 contrib/examples/Makefile 232 ]) 233 AC_OUTPUT 234 235 GP_CONFIG_OUTPUT 236
