/[CvsGraph]/cvsgraph/configure.in
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Revision 1.1 - (show annotations)
Fri Feb 23 00:11:30 2001 UTC (16 years, 9 months ago) by bertho
Branch: MAIN
Start to use autoconf. This makes detecting old/new libgd easier.
Also a bit more portable.
1 dnl Configure.in script for CvsGraph
2 dnl Most of the stuff is gathered from other
3 dnl scripts that seem to do a pretty good job.
4
5 AC_INIT(cvsgraph.c)
6
7 AC_PROG_CC
8 AC_PROG_LEX
9 AC_PROG_YACC
10
11 dnl Extra libraries 'with'-options
12 AC_ARG_WITH(gd,[ --with-gd=DIR location of the gd lib/inc],
13 [LDFLAGS="${LDFLAGS} -L${withval}"
14 CFLAGS="${CFLAGS} -I${withval}"
15 ])
16
17 AC_ARG_WITH(z,[ --with-z=DIR location of zlib lib/inc],
18 [LDFLAGS="${LDFLAGS} -L${withval}"
19 CFLAGS="${CFLAGS} -I${withval}"
20 ])
21
22 AC_ARG_WITH(png,[ --with-png=DIR location of png lib/inc],
23 [LDFLAGS="${LDFLAGS} -L${withval}"
24 CFLAGS="${CFLAGS} -I${withval}"
25 ])
26
27 LDFLAGS="${LDFLAGS} -lgd"
28
29
30 dnl Tests for gcc
31 if test "x${GCC}" = "xyes"
32 then
33 CFLAGS="$CFLAGS -Wall"
34 AC_CACHE_CHECK( "for gcc strength-reduce bug", ac_cv_c_gcc_strength_bug,
35 AC_TRY_RUN([
36 int main(void) {
37 static int Array[[3]];
38 unsigned int B = 3;
39 int i;
40 for(i=0; i<B; i++) Array[[i]] = i - 3;
41 exit( Array[[1]] != -2 );
42 }],
43 ac_cv_c_gcc_strength_bug="no",
44 ac_cv_c_gcc_strength_bug="yes",
45 ac_cv_c_gcc_strength_bug="yes") )
46 if test "$ac_cv_c_gcc_strength_bug" = "yes"
47 then
48 CFLAGS="$CFLAGS -fno-strength-reduce"
49 fi
50 fi
51
52
53 dnl Checks for libraries.
54 AC_CHECK_LIB(m, sqrt, [
55 AC_DEFINE(LIBM)
56 MATHLIBS="-lm" ])
57
58 dnl which version of gd do we have here? (taken from mrtg config)
59 AC_CHECK_LIB(gd,gdImageGif,[
60 CFLAGS="$CFLAGS -DGD_IMAGE_XXX=gdImageGif"
61 ])
62 AC_CHECK_LIB(gd,gdImagePng,[
63 CFLAGS="$CFLAGS -DGD_IMAGE_XXX=gdImagePng"
64 LDFLAGS="$LDFLAGS -lpng -lz ${MATHLIBS}"
65 ],:,[-lpng -lz ${MATHLIBS}])
66
67
68 dnl Make sure the header is here
69 AC_CHECK_HEADER( gd.h,[ have_gd_h="yes" ],[ have_gd_h="no" ])
70
71 if test $have_gd_h != "yes"; then
72 echo
73 echo "** The GD library is required for CvsGraph to function."
74 echo " Get it from http://www.boutell.com, compile it and"
75 echo " use either --with-gd-lib=DIR and --with-gd-inc=DIR to specify"
76 echo " its location. You might also have to use --with-z-inc, --with-z-lib"
77 echo " and --with-png-inc, --with-png-lib for gd versions 1.6 and higher."
78 echo " Check config.log for more information on the problem. If your system"
79 echo " has libgd installed, you probably mis the gd.h header file."
80 exit 1
81 fi
82
83
84 AC_OUTPUT(Makefile)
85
86 echo "Configure done. Run 'make' to build CvsGraph"
87

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