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dnl Process this file with autoconf to produce a configure script.
dnl This is required at the start; the name is the name of a file
dnl it should be seeing, to verify it is in the same directory.
AC_INIT
AC_CONFIG_SRCDIR([NOTICE])
dnl Checks for programs.
AC_PROG_CC
AC_PROG_INSTALL
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_SIZE_T
dnl ---- JPEG support ----
SUPPORT_JPEG=0
support_jpeg=no
dnl Handle --disable-jpeg
AC_ARG_ENABLE(jpeg,
AS_HELP_STRING([--disable-jpeg],
[disable jpeg support]),
, enable_jpeg=yes)
if test "x$enable_jpeg" = "xyes"
then
dnl Check for the availability of jpeglib
AC_CHECK_HEADERS([jpeglib.h], [HAVE_JPEGLIB_H=1])
AC_CHECK_HEADERS([jerror.h], [HAVE_JERROR_H=1])
AC_CHECK_LIB([jpeg], [jpeg_std_error], [HAVE_LIBJPEG=1])
if test "${HAVE_JPEGLIB_H}${HAVE_JERROR_H}${HAVE_LIBJPEG}" = "111"; then
SUPPORT_JPEG=1
support_jpeg=yes
if test "${LIBS}" = ""; then LIBS=-ljpeg; else LIBS="${LIBS} -ljpeg"; fi
fi
fi
dnl ---- PNG support ----
SUPPORT_PNG=0
support_png=no
dnl Handle --disable-png
AC_ARG_ENABLE(png,
AS_HELP_STRING([--disable-png],
[disable png support]),
, enable_png=yes)
if test "x$enable_png" = "xyes"
then
dnl Check for the availability of pnglib
AC_CHECK_HEADERS([png.h], [HAVE_PNG_H=1])
AC_CHECK_LIB([png], [png_sig_cmp], [HAVE_LIBPNG=1])
if test "${HAVE_PNG_H}${HAVE_LIBPNG}" = "11"; then
SUPPORT_PNG=1
support_png=yes
if test "${LIBS}" = ""; then LIBS=-lpng; else LIBS="${LIBS} -lpng"; fi
fi
fi
dnl ---- Final stuff ----
AC_SUBST(SUPPORT_JPEG)
AC_SUBST(SUPPORT_PNG)
AC_CONFIG_FILES(Makefile)
AC_OUTPUT
dnl Afterwards, print a summary message
cat <<EOF
Configuration summary:
Install prefix ......... : ${prefix}
C preprocessor ......... : ${CPP}
C compiler ............. : ${CC}
Linker ................. : ${LD}
C preprocessor flags ... : ${CPPFLAGS}
C compiler flags ....... : ${CFLAGS}
Linker flags ........... : ${LDFLAGS}
Extra libraries ........ : ${LIBS}
Support JPEG ........... : ${support_jpeg}
Support PNG ............ : ${support_png}
EOF
dnl end configure.ac
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