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Check for the <GL/gl.h> header file before looking for the OpenGL or

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Mesa libraries.  This should eliminate all of the reports we're getting
about missing header files...


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.0@1379 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Michael R Sweet 2001-02-21 21:37:30 +00:00
parent 5cade5e89a
commit 3af11190f8
1 changed files with 8 additions and 6 deletions
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14
configure.in
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@ -1,7 +1,7 @@
dnl -*- sh -*-
dnl the "configure" script is made from this by running GNU "autoconf"
dnl
dnl "$Id: configure.in,v 1.33.2.24 2001/02/16 13:35:28 easysw Exp $"
dnl "$Id: configure.in,v 1.33.2.25 2001/02/21 21:37:30 easysw Exp $"
dnl
dnl Configuration script for the Fast Light Tool Kit (FLTK).
dnl
@ -159,10 +159,12 @@ CXXFLAGS="$CXXFLAGS$X_CFLAGS"
dnl My test to see if OpenGL is on this machine:
GLLIB=
AC_CHECK_LIB(GL, glXMakeCurrent, AC_DEFINE(HAVE_GL) GLLIB=" -lGLU -lGL", \
AC_CHECK_LIB(MesaGL,glXMakeCurrent, AC_DEFINE(HAVE_GL) GLLIB=" -lMesaGLU -lMesaGL",,\
-lX11 -lXext $X_EXTRA_LIBS -lm), \
-lX11 -lXext $X_EXTRA_LIBS -lm)
AC_CHECK_HEADER(GL/gl.h,
AC_CHECK_LIB(GL, glXMakeCurrent, AC_DEFINE(HAVE_GL) GLLIB=" -lGLU -lGL", \
AC_CHECK_LIB(MesaGL,glXMakeCurrent, AC_DEFINE(HAVE_GL) GLLIB=" -lMesaGLU -lMesaGL",,\
-lX11 -lXext $X_EXTRA_LIBS -lm), \
-lX11 -lXext $X_EXTRA_LIBS -lm)
)
AC_SUBST(GLLIB)
AC_CHECK_HEADER(X11/extensions/Xdbe.h, \
@ -332,5 +334,5 @@ AC_CONFIG_HEADER(config.h:configh.in)
AC_OUTPUT(makeinclude)
dnl
dnl End of "$Id: configure.in,v 1.33.2.24 2001/02/16 13:35:28 easysw Exp $".
dnl End of "$Id: configure.in,v 1.33.2.25 2001/02/21 21:37:30 easysw Exp $".
dnl