- Reestructuración de ficheros y directorios general
- merge v0.01 --> Añadido fileselector - Añadidas fuentes de Gem y Pure Data - pix2jpg incluído en Gem. Archivos de construcción de Gem modificados. - Añadido fichero ompiling.txt con instrucciones de compilación
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Santi Noreña
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3100 changed files with 775434 additions and 3073 deletions
134
Gem/m4/ax_check_gl.m4
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134
Gem/m4/ax_check_gl.m4
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# ===========================================================================
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# http://www.gnu.org/software/autoconf-archive/ax_check_gl.html
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# ===========================================================================
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#
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# SYNOPSIS
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#
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# AX_CHECK_GL
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#
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# DESCRIPTION
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#
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# Check for an OpenGL implementation. If GL is found, the required
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# compiler and linker flags are included in the output variables
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# "GL_CFLAGS" and "GL_LIBS", respectively. If no usable GL implementation
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# is found, "no_gl" is set to "yes".
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#
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# If the header "GL/gl.h" is found, "HAVE_GL_GL_H" is defined. If the
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# header "OpenGL/gl.h" is found, HAVE_OPENGL_GL_H is defined. These
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# preprocessor definitions may not be mutually exclusive.
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#
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# LICENSE
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#
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# Copyright (c) 2009 Braden McDaniel <braden@endoframe.com>
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation; either version 2 of the License, or (at your
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# option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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# Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# As a special exception, the respective Autoconf Macro's copyright owner
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# gives unlimited permission to copy, distribute and modify the configure
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# scripts that are the output of Autoconf when processing the Macro. You
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# need not follow the terms of the GNU General Public License when using
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# or distributing such scripts, even though portions of the text of the
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# Macro appear in them. The GNU General Public License (GPL) does govern
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# all other use of the material that constitutes the Autoconf Macro.
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#
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# This special exception to the GPL applies to versions of the Autoconf
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# Macro released by the Autoconf Archive. When you make and distribute a
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# modified version of the Autoconf Macro, you may extend this special
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# exception to the GPL to apply to your modified version as well.
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#serial 9
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AC_DEFUN([AX_CHECK_GL],
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[AC_REQUIRE([AC_CANONICAL_HOST])
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AC_REQUIRE([AC_PATH_X])dnl
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AC_REQUIRE([AX_PTHREAD])dnl
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AC_LANG_PUSH([C])
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AX_COMPILER_VENDOR
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AS_IF([test X$ax_cv_c_compiler_vendor != Xmicrosoft],
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[GL_CFLAGS="${PTHREAD_CFLAGS}"; GL_LIBS="${PTHREAD_LIBS} -lm"])
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#
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# Use x_includes and x_libraries if they have been set (presumably by
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# AC_PATH_X).
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#
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AS_IF([test "X$no_x" != "Xyes"],
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[AS_IF([test -n "$x_includes"],
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[GL_CFLAGS="-I${x_includes} ${GL_CFLAGS}"])]
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AS_IF([test -n "$x_libraries"],
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[GL_LIBS="-L${x_libraries} -lX11 ${GL_LIBS}"]))
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ax_save_CPPFLAGS="${CPPFLAGS}"
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CPPFLAGS="${GL_CFLAGS} ${CPPFLAGS}"
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AC_CHECK_HEADERS([GL/gl.h OpenGL/gl.h])
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CPPFLAGS="${ax_save_CPPFLAGS}"
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AC_CHECK_HEADERS([windows.h])
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m4_define([AX_CHECK_GL_PROGRAM],
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[AC_LANG_PROGRAM([[
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# if defined(HAVE_WINDOWS_H) && defined(_WIN32)
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# include <windows.h>
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# endif
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# ifdef HAVE_GL_GL_H
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# include <GL/gl.h>
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# elif defined(HAVE_OPENGL_GL_H)
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# include <OpenGL/gl.h>
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# else
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# error no gl.h
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# endif]],
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[[glBegin(0)]])])
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AC_CACHE_CHECK([for OpenGL library], [ax_cv_check_gl_libgl],
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[ax_cv_check_gl_libgl="no"
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case $host_cpu in
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x86_64) ax_check_gl_libdir=lib64 ;;
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*) ax_check_gl_libdir=lib ;;
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esac
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ax_save_CPPFLAGS="${CPPFLAGS}"
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CPPFLAGS="${GL_CFLAGS} ${CPPFLAGS}"
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ax_save_LIBS="${LIBS}"
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LIBS=""
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ax_check_libs="-lopengl32 -lGL"
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for ax_lib in ${ax_check_libs}; do
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AS_IF([test X$ax_compiler_ms = Xyes],
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[ax_try_lib=`echo $ax_lib | sed -e 's/^-l//' -e 's/$/.lib/'`],
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[ax_try_lib="${ax_lib}"])
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LIBS="${ax_try_lib} ${GL_LIBS} ${ax_save_LIBS}"
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AC_LINK_IFELSE([AX_CHECK_GL_PROGRAM],
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[ax_cv_check_gl_libgl="${ax_try_lib}"; break],
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[ax_check_gl_nvidia_flags="-L/usr/${ax_check_gl_libdir}/nvidia" LIBS="${ax_try_lib} ${ax_check_gl_nvidia_flags} ${GL_LIBS} ${ax_save_LIBS}"
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AC_LINK_IFELSE([AX_CHECK_GL_PROGRAM],
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[ax_cv_check_gl_libgl="${ax_try_lib} ${ax_check_gl_nvidia_flags}"; break],
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[ax_check_gl_dylib_flag='-dylib_file /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib:/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib' LIBS="${ax_try_lib} ${ax_check_gl_dylib_flag} ${GL_LIBS} ${ax_save_LIBS}"
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AC_LINK_IFELSE([AX_CHECK_GL_PROGRAM],
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[ax_cv_check_gl_libgl="${ax_try_lib} ${ax_check_gl_dylib_flag}"; break])])])
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done
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AS_IF([test "X$ax_cv_check_gl_libgl" = Xno -a "X$no_x" = Xyes],
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[LIBS='-framework OpenGL'
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AC_LINK_IFELSE([AX_CHECK_GL_PROGRAM],
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[ax_cv_check_gl_libgl="$LIBS"])])
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LIBS=${ax_save_LIBS}
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CPPFLAGS=${ax_save_CPPFLAGS}])
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AS_IF([test "X$ax_cv_check_gl_libgl" = Xno],
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[no_gl=yes; GL_CFLAGS=""; GL_LIBS=""],
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[GL_LIBS="${ax_cv_check_gl_libgl} ${GL_LIBS}"])
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AC_LANG_POP([C])
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AC_SUBST([GL_CFLAGS])
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AC_SUBST([GL_LIBS])
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])dnl
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