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OpenGL detection overhaul. 1) Fix some bad quoting 2) More consistent formatting 3) Add GLU detection 4) Rewrite GLEW detection from scratch and move it to opengl.m4 where it belongs.

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This commit is contained in:
Ben "root" Anderson
2013-10-26 18:03:46 -05:00
parent 2aabd327b3
commit 90f9115317
2 changed files with 29 additions and 22 deletions
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autoconf/m4/opengl.m4
+29 -5
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@@ -8,14 +8,38 @@ AC_DEFUN([SM_OPENGL],
GL_LIBS=""
AX_CHECK_LIB_USING_HEADER(GL, 'glBegin(GL_POINTS)', GL/gl.h, [GL_LIBS="-lGL"])
AX_CHECK_LIB_USING_HEADER(GL, glBegin(GL_POINTS), GL/gl.h, [GL_LIBS="-lGL"])
if test "$GL_LIBS" = ""; then
AX_CHECK_LIB_USING_HEADER(opengl32, 'glBegin(GL_POINTS)', GL/gl.h, [GL_LIBS="-lopengl32"])
fi
if test "$GL_LIBS" = ""; then
AC_MSG_ERROR("No usable OpenGL library found.")
AX_CHECK_LIB_USING_HEADER(opengl32, glBegin(GL_POINTS), GL/gl.h, [GL_LIBS="-lopengl32"])
fi
if test "$GL_LIBS" = ""; then
AC_MSG_ERROR("No usable OpenGL library found.")
fi
AX_CHECK_LIB_USING_HEADER(GLU, gluGetString(GLU_VERSION), GL/glu.h, [GLU_LIBS="-lGLU"])
if test "$GLU_LIBS" = ""; then
AX_CHECK_LIB_USING_HEADER(glu32, gluGetString(GLU_VERSION), GL/glu.h, [GLU_LIBS="-lglu32"])
fi
if test "$GLU_LIBS" = ""; then
AC_MSG_ERROR("No usable GLU library found.")
fi
AX_CHECK_LIB_USING_HEADER(GLEW, glewInit(), GL/glew.h, [GLEW_LIBS="$LIBS -lGLEW"])
if test "$GLEW_LIBS" = ""; then
AX_CHECK_LIB_USING_HEADER(glew32, glewInit(), GL/glew.h, [GLEW_LIBS="$LIBS -lglew32"])
fi
if test "$GLEW_LIBS" = ""; then
AC_MSG_ERROR("No usable version of GLEW found.")
fi
AC_CHECK_DECL(GLEW_VERSION_2_1, , AC_MSG_ERROR("GLEW 1.3.5 or newer is required."), [#include <GL/glew.h>])
GL_LIBS="$GL_LIBS $GLU_LIBS $GLEW_LIBS"
AC_SUBST(GL_LIBS)
])