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AC_PREREQ(2.59)
m4_define([spectre_major_version], [0])
m4_define([spectre_minor_version], [0])
m4_define([spectre_micro_version], [1])
m4_define([spectre_version],
[spectre_major_version.spectre_minor_version.spectre_micro_version])
AC_INIT(libspectre, [spectre_version])
AC_CONFIG_HEADERS(config.h)
AM_INIT_AUTOMAKE([1.7])
AM_MAINTAINER_MODE
# libtool versioning
#
# See http://sources.redhat.com/autobook/autobook/autobook_91.html#SEC91 for details
#
## increment if the interface has additions, changes, removals.
LT_CURRENT=1
## increment any time the source changes; set to
## 0 if you increment CURRENT
LT_REVISION=0
## increment if any interfaces have been added; set to 0
## if any interfaces have been changed or removed. removal has
## precedence over adding, so set to 0 if both happened.
LT_AGE=0
VERSION_INFO="$LT_CURRENT:$LT_REVISION:$LT_AGE"
AC_SUBST(VERSION_INFO)
LT_CURRENT_MINUS_AGE=`expr $LT_CURRENT - $LT_AGE`
AC_SUBST(LT_CURRENT_MINUS_AGE)
AC_SUBST(LT_CURRENT)
AC_SUBST(LT_REVISION)
AC_SUBST(LT_AGE)
SPECTRE_MAJOR_VERSION=spectre_major_version
SPECTRE_MINOR_VERSION=spectre_minor_version
SPECTRE_MICRO_VERSION=spectre_micro_version
SPECTRE_VERSION=spectre_major_version.spectre_minor_version.spectre_micro_version
AC_SUBST(SPECTRE_MAJOR_VERSION)
AC_SUBST(SPECTRE_MINOR_VERSION)
AC_SUBST(SPECTRE_MICRO_VERSION)
AC_SUBST(SPECTRE_VERSION)
AC_PROG_LIBTOOL
AC_PROG_CC
AC_ISC_POSIX
AC_PROG_CC_STDC
AC_STDC_HEADERS
LIBGS_REQUIRED="8.61"
AC_CHECK_LIB(gs, gsapi_new_instance, have_libgs=yes, have_libgs=no)
if test "x$have_libgs" = "xyes"; then
LIB_GS="-lgs"
save_LIBS=$LIBS
LIBS="$LIBS -lgs"
AC_LANG_PUSH(C)
AC_MSG_CHECKING([for libgs >= $LIBGS_REQUIRED])
AC_RUN_IFELSE([AC_LANG_PROGRAM(
[[
#include <ghostscript/iapi.h>
]],
[[
gsapi_revision_t gsrev;
if (gsapi_revision (&gsrev, sizeof (gsrev)) != 0)
return 1;
if (gsrev.revision < `echo "$LIBGS_REQUIRED" | sed -e 's/\.//'`)
return 1;
]])],
[have_libgs=yes],
[have_libgs=no],
[have_libgs=yes]
)
AC_MSG_RESULT($have_libgs)
AC_LANG_POP(C)
LIBS=$save_LIBS
if test "x$have_libgs" = "xno"; then
AC_MSG_ERROR([You need libgs >= $LIBGS_REQUIRED in order to compile libspectre])
fi
else
AC_MSG_ERROR([You need libgs in order to compile libspectre])
fi
AC_SUBST(LIB_GS)
AC_ARG_ENABLE(asserts,
AS_HELP_STRING([--enable-asserts],[include assertion checks]),
enable_asserts=$enableval,
enable_asserts=$USE_MAINTAINER_MODE)
if test x$enable_asserts = xno; then
AC_DEFINE(SPECTRE_DISABLE_ASSERT,[1],[Disable assertion checking])
fi
AC_ARG_ENABLE(checks,
AS_HELP_STRING([--enable-checks],[include sanity checks on public API]),
enable_checks=$enableval,
enable_checks=yes)
if test x$enable_checks = xno; then
AC_DEFINE(SPECTRE_DISABLE_CHECKS,[1],[Disable public API sanity checking])
fi
dnl Test
AC_ARG_ENABLE(test,
[AC_HELP_STRING([--enable-test], [Compile tests])],enable_test="$enableval",enable_test=yes)
if test "x$enable_test" = "xyes"; then
PKG_CHECK_MODULES(CAIRO, cairo cairo-png, enable_test=yes,enable_test=no)
if test "x$enable_test" != "xyes"; then
AC_MSG_WARN("Tests disabled since required cairo library was not found")
fi
fi
AM_CONDITIONAL(ENABLE_TEST, test x$enable_test = xyes)
dnl ===========================================================================
dnl check compiler flags (From cairo)
AC_DEFUN([SPECTRE_CC_TRY_FLAG], [
AC_MSG_CHECKING([whether $CC supports $1])
spectre_save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $1"
AC_COMPILE_IFELSE([ ], [spectre_cc_flag=yes], [spectre_cc_flag=no])
CFLAGS="$spectre_save_CFLAGS"
if test "x$spectre_cc_flag" = "xyes"; then
ifelse([$2], , :, [$2])
else
ifelse([$3], , :, [$3])
fi
AC_MSG_RESULT([$spectre_cc_flag])
])
dnl Use lots of warning flags with with gcc and compatible compilers
dnl Note: if you change the following variable, the cache is automatically
dnl skipped and all flags rechecked. So there's no need to do anything
dnl else. If for any reason you need to force a recheck, just change
dnl MAYBE_WARN in an ignorable way (like adding whitespace)
MAYBE_WARN="-Wall -ansi \
-Wsign-compare -Werror-implicit-function-declaration \
-Wpointer-arith -Wstrict-prototypes \
-Wmissing-prototypes -Wmissing-declarations -Wnested-externs \
-Wpacked -Wswitch-enum \
-Wstrict-aliasing=2 -Winit-self -Wunsafe-loop-optimizations \
-Wdeclaration-after-statement \
-Wno-missing-field-initializers -Wno-unused-parameter \
-Wno-attributes -Wno-long-long -Winline"
# invalidate cached value if MAYBE_WARN has changed
if test "x$spectre_cv_warn_maybe" != "x$MAYBE_WARN"; then
unset spectre_cv_warn_cflags
fi
AC_CACHE_CHECK([for supported warning flags], spectre_cv_warn_cflags, [
echo
WARN_CFLAGS=""
# Some warning options are not supported by all versions of
# gcc, so test all desired options against the current
# compiler.
#
# Note that there are some order dependencies
# here. Specifically, an option that disables a warning will
# have no net effect if a later option then enables that
# warnings, (perhaps implicitly). So we put some grouped
# options (-Wall and -Wextra) up front and the -Wno options
# last.
for W in $MAYBE_WARN; do
SPECTRE_CC_TRY_FLAG([$W], [WARN_CFLAGS="$WARN_CFLAGS $W"])
done
spectre_cv_warn_cflags=$WARN_CFLAGS
spectre_cv_warn_maybe=$MAYBE_WARN
AC_MSG_CHECKING([which warning flags were supported])])
WARN_CFLAGS="$spectre_cv_warn_cflags"
SPECTRE_CFLAGS="$SPECTRE_CFLAGS $WARN_CFLAGS"
AC_SUBST(SPECTRE_CFLAGS)
AC_OUTPUT([
Makefile
Doxyfile
libspectre/Makefile
libspectre/spectre-version.h
libspectre/ghostscript/Makefile
test/Makefile
libspectre.pc
])
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