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configure.ac
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configure.ac
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dnl Process this file with autoconf to produce a configure script. Based on the SDL_image 2.0 configure.in
AC_INIT(SplatGL, 0.0)
AC_CONFIG_SRCDIR(src/splat.c)
AM_INIT_AUTOMAKE
dnl Set various version strings - taken gratefully from the GTk sources
# Making releases:
# MICRO_VERSION += 1;
# INTERFACE_AGE += 1;
# BINARY_AGE += 1;
# if any functions have been added, set INTERFACE_AGE to 0.
# if backwards compatibility has been broken,
# set BINARY_AGE and INTERFACE_AGE to 0.
MAJOR_VERSION=0
MINOR_VERSION=0
MICRO_VERSION=0
INTERFACE_AGE=0
BINARY_AGE=0
VERSION=$MAJOR_VERSION.$MINOR_VERSION.$MICRO_VERSION
AC_SUBST(MAJOR_VERSION)
AC_SUBST(MINOR_VERSION)
AC_SUBST(MICRO_VERSION)
AC_SUBST(INTERFACE_AGE)
AC_SUBST(BINARY_AGE)
AC_SUBST(VERSION)
# libtool versioning
LT_INIT([win32-dll])
LT_RELEASE=$MAJOR_VERSION.$MINOR_VERSION
LT_CURRENT=`expr $MICRO_VERSION - $INTERFACE_AGE`
LT_REVISION=$INTERFACE_AGE
LT_AGE=`expr $BINARY_AGE - $INTERFACE_AGE`
AC_SUBST(LT_RELEASE)
AC_SUBST(LT_CURRENT)
AC_SUBST(LT_REVISION)
AC_SUBST(LT_AGE)
dnl Detect the canonical build and host environments
AC_CANONICAL_HOST
dnl Setup compiler and linker flags
CFLAGS='-fvisibility=internal -std=c99 -fno-common -Wall -I$(srcdir)/include'
LDFLAGS='-lGL -lGLU'
dnl Add debug flag
AC_ARG_ENABLE(debug, [ --enable-debug Enable debug mode], CFLAGS=$CFLAGS' -O0 -g -DDEBUG', CFLAGS=$CFLAGS' -O3 -DNDEBUG')
dnl Check for tools
AC_PROG_LIBTOOL
AC_PROG_CC
AC_PROG_OBJC
AC_C_INLINE
AC_PROG_INSTALL
AC_PROG_MAKE_SET
if test -z "$host_alias"; then
hostaliaswindres=
else
hostaliaswindres="$host_alias-windres"
fi
AC_CHECK_PROGS(WINDRES, [windres $hostaliaswindres $host_os-windres])
case "$host" in
*-*-beos*)
ac_default_prefix=/boot/develop/tools/gnupro
;;
*-*-cygwin* | *-*-mingw32*)
if test "$build" != "$host"; then # cross-compiling
# Default cross-compile location
ac_default_prefix=/usr/local/cross-tools/i386-mingw32
else
# Look for the location of the tools and install there
if test "$BUILD_PREFIX" != ""; then
ac_default_prefix=$BUILD_PREFIX
fi
fi
if test x$WINDRES != x; then
use_version_rc=true
fi
;;
esac
AM_CONDITIONAL(USE_VERSION_RC, test x$use_version_rc = xtrue)
dnl set this to use on systems that use lib64 instead of lib
base_libdir=`echo \${libdir} | sed 's/.*\/\(.*\)/\1/; q'`
dnl Function to find a library in the compiler search path
find_lib()
{
gcc_bin_path=[`$CC -print-search-dirs 2>/dev/null | fgrep programs: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]
gcc_lib_path=[`$CC -print-search-dirs 2>/dev/null | fgrep libraries: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]
env_lib_path=[`echo $LIBS $LDFLAGS $* | sed 's/-L[ ]*//g'`]
if test "$cross_compiling" = yes; then
host_lib_path=""
else
host_lib_path="/usr/$base_libdir /usr/local/$base_libdir"
fi
for path in $gcc_bin_path $gcc_lib_path $env_lib_path $host_lib_path; do
lib=[`ls -- $path/$1 2>/dev/null | sort | sed 's/.*\/\(.*\)/\1/; q'`]
if test x$lib != x; then
echo $lib
return
fi
done
}
dnl Check for SDL
SDL_VERSION=2.0.0
AC_SUBST(SDL_VERSION)
AM_PATH_SDL2($SDL_VERSION,
:,
AC_MSG_ERROR([*** SDL version $SDL_VERSION not found!])
)
CFLAGS="$CFLAGS $SDL_CFLAGS"
LIBS="$LIBS $SDL_LIBS"
AC_SUBST([WINDRES])
OBJCFLAGS=$CFLAGS
# Finally create all the generated files
AC_OUTPUT([
Makefile
splatgl.spec
splatgl.pc
])