dnl ACX_SAVE_STATE/ACX_RESTORE_STATE
dnl Save/restore flags
dnl
dnl ACX_SAVE_STATE
AC_DEFUN(ACX_SAVE_STATE,
[
save_CFLAGS=$CFLAGS
save_CPPFLAGS=$CPPFLAGS
save_LDFLAGS=$LDFLAGS
save_LIBS=$LIBS
])
dnl ACX_RESTORE_STATE
AC_DEFUN(ACX_RESTORE_STATE,
[
CFLAGS=$save_CFLAGS
CPPFLAGS=$save_CPPFLAGS
LDFLAGS=$save_LDFLAGS
LIBS=$save_LIBS
])
AC_DEFUN(ACX_CHECK_CC_FLAGS,
[
AC_REQUIRE([AC_PROG_CC])
AC_CACHE_CHECK(whether ${CC-cc} accepts $1, ac_$2,
[echo 'void f(){}' > conftest.c
if test -z "`${CC-cc} $1 -c conftest.c 2>&1`"; then
ac_$2=yes
else
ac_$2=no
fi
rm -f conftest*
])
if test "$ac_$2" = yes; then
:
$3
else
:
$4
fi
])
dnl **** Check for gcc strength-reduce bug ****
AC_DEFUN(ACX_GCC_STRENGTH_REDUCE,
[
AC_REQUIRE([AC_PROG_CC])
AC_CACHE_CHECK( "for gcc strength-reduce bug", ac_cv_c_gcc_strength_bug,
AC_TRY_RUN([
int main(void) {
static int Array[[3]];
unsigned int B = 3;
int i;
for(i=0; i<B; i++) Array[[i]] = i - 3;
exit( Array[[1]] != -2 );
}
],
ac_cv_c_gcc_strength_bug="no",
ac_cv_c_gcc_strength_bug="yes",
ac_cv_c_gcc_strength_bug="yes")
)
if test "$ac_cv_c_gcc_strength_bug" = "yes"
then
:
$1
else
:
$2
fi
])
dnl **** Checks for FPU arithmetics
AC_DEFUN(ACX_CHECK_FPU,
[
AC_CACHE_CHECK( "for FPU arithmetics type", ac_cv_c_fpu_arithmetics_type,
AC_TRY_RUN([
#include <stdio.h>
#include <string.h>
#define LOG2EA 0.44269504088896340735992
#define ACCURACY "%1.4f"
typedef union {unsigned short s[[4]]; double d;} XTYPE;
XTYPE X[[]] = {
{{0,0,0,0}}, /* Unknown */
{{0x3fdc,0x551d,0x94ae,0x0bf8}}, /* Big endian IEEE */
{{0x0bf8,0x94ae,0x551d,0x3fdc}}, /* Littile endian IEEE */
{{0037742,0124354,0122560,0057703}} /* DEC */
};
int main (void)
{
int i; char TMPSTR[[1024]]; char LOG2EA_STR[[80]];
i = 0;
sprintf(LOG2EA_STR, ACCURACY, LOG2EA);
for (i=3; i >= 0; i--)
{
sprintf(TMPSTR, ACCURACY, X[[i]].d);
if (strcmp(TMPSTR, LOG2EA_STR) == 0) {
break;
}
}
exit(i);
}],
ac_cv_c_fpu_arithmetics_type="Unknown",
[case "$?" in
"1"[)] ac_cv_c_fpu_arithmetics_type="Big endian IEEE" ;;
"2"[)] ac_cv_c_fpu_arithmetics_type="Little endian IEEE" ;;
"3"[)] ac_cv_c_fpu_arithmetics_type="DEC" ;;
esac],
ac_cv_c_fpu_arithmetics_type="Unknown") )
case "$ac_cv_c_fpu_arithmetics_type" in
"DEC") AC_DEFINE(HAVE_DEC_FPU) ;;
"Little endian IEEE") AC_DEFINE(HAVE_LIEEE_FPU) ;;
"Big endian IEEE") AC_DEFINE(HAVE_BIEEE_FPU) ;;
esac
])
AC_DEFUN(ACX_ANSI_TYPES,
[
dnl **** Check which ANSI integer type is 16 bit
AC_CACHE_CHECK( "which ANSI integer type is 16 bit", ac_16bit_type,
AC_TRY_RUN([
int main(void) {
if (sizeof(short)==2)
return(0);
else if (sizeof(int)==2)
return(1);
else
return(2);
}], ac_16bit_type="short", ac_16bit_type="int", ac_16bit_type=))
if test "$ac_16bit_type" = "short"
then
T1_AA_TYPE16="short"
else
T1_AA_TYPE16="int"
fi
dnl **** Check which ANSI integer type is 32 bit
AC_CACHE_CHECK( "which ANSI integer type is 32 bit", ac_32bit_type,
AC_TRY_RUN([
int main(void) {
if (sizeof(int)==4)
return(0);
else if (sizeof(long)==4)
return(1);
else
return(2);
}], ac_32bit_type="int", ac_32bit_type="long", ac_32bit_type=))
if test "$ac_32bit_type" = "int"
then
T1_AA_TYPE32="int"
else
T1_AA_TYPE32="long"
fi
dnl **** Check which ANSI integer type is 64 bit
AC_CACHE_CHECK( "which ANSI integer type is 64 bit", ac_64bit_type,
AC_TRY_RUN([
int main(void) {
if (sizeof(long)==8)
return(0);
else
return(1);
}], ac_64bit_type="long", ac_64bit_type="<none>", ac_64bit_type=))
if test "$ac_64bit_type" = "long"
then
T1_AA_TYPE64="long"
else
T1_AA_TYPE64=
fi
])
dnl **** Check for buggy realloc()
AC_DEFUN(ACX_CHECK_REALLOC,
[
AC_CACHE_CHECK( "whether realloc is buggy", ac_cv_c_realloc_bug,
AC_TRY_RUN([
#include <stdio.h>
#include <stdlib.h>
int main(void) {
void *ptr;
ptr = NULL;
ptr = realloc(ptr, 1);
exit(ptr == NULL);
}],
ac_cv_c_realloc_bug="no",
ac_cv_c_realloc_bug="yes",
ac_cv_c_realloc_bug="yes") )
if test "$ac_cv_c_realloc_bug" = "yes"
then
:
$1
else
:
$2
fi
])
dnl ICE_CHECK_DECL (FUNCTION, HEADER-FILE...)
dnl -----------------------------------------
dnl
dnl If FUNCTION is available, define `HAVE_FUNCTION'. If it is declared
dnl in one of the headers named in the whitespace-separated list
dnl HEADER_FILE, define `HAVE_FUNCTION_DECL` (in all capitals).
dnl
AC_DEFUN(ICE_CHECK_DECL,
[
changequote(,)dnl
ice_tr=`echo $1 | tr '[a-z]' '[A-Z]'`
changequote([,])dnl
ice_have_tr=HAVE_$ice_tr
ice_have_decl_tr=${ice_have_tr}_DECL
ice_have_$1=no
AC_CHECK_FUNCS($1, ice_have_$1=yes)
if test "${ice_have_$1}" = yes; then
AC_MSG_CHECKING(for $1 declaration in $2)
AC_CACHE_VAL(ice_cv_have_$1_decl,
[
ice_cv_have_$1_decl=no
changequote(,)dnl
ice_re_params='[a-zA-Z_][a-zA-Z0-9_]*'
ice_re_word='(^|[^a-zA-Z_0-9_])'
changequote([,])dnl
for header in $2; do
# Check for ordinary declaration
AC_EGREP_HEADER([${ice_re_word}$1 *\(], $header,
ice_cv_have_$1_decl=yes)
if test "$ice_cv_have_$1_decl" = yes; then
break
fi
# Check for "fixed" declaration like "getpid _PARAMS((int))"
AC_EGREP_HEADER([${ice_re_word}$1 *$ice_re_params\(\(], $header,
ice_cv_have_$1_decl=yes)
if test "$ice_cv_have_$1_decl" = yes; then
break
fi
done
])
AC_MSG_RESULT($ice_cv_have_$1_decl)
if test "$ice_cv_have_$1_decl" = yes; then
AC_DEFINE_UNQUOTED(${ice_have_decl_tr})
fi
fi
])dnl
dnl --- *@-mdw_CHECK_MANYLIBS-@* ---
dnl
dnl Author: Mark Wooding
dnl
dnl Synopsis: mdw_CHECK_MANYLIBS(FUNC, LIBS, [IF-FOUND], [IF-NOT-FOUND])
dnl
dnl Arguments: FUNC = a function to try to find
dnl LIBS = a whitespace-separated list of libraries to search
dnl IF-FOUND = what to do when the function is found
dnl IF-NOT-FOUND = what to do when the function isn't found
dnl
dnl Use: Searches for a library which defines FUNC. It first tries
dnl without any libraries; then it tries each library specified
dnl in LIBS in turn. If it finds a match, it adds the
dnl appropriate library to `LIBS'.
dnl
dnl This is particularly handy under DIREIX: if you link with
dnl `-lnsl' then you get non-NIS-aware versions of getpwnam and
dnl so on, which is clearly a Bad Thing.
dnl
dnl Modified: by Evgeny Stambulchik to add (found) libraries to `LIBS'
dnl *only* if `IF-FOUND' is absent. As well, if no additional
dnl library is needed for `FUNC', `mdw_cv_lib_$1' sets to "".
AC_DEFUN(mdw_CHECK_MANYLIBS,
[AC_CACHE_CHECK([for library containing $1], [mdw_cv_lib_$1],
[mdw_save_LIBS="$LIBS"
mdw_cv_lib_$1="no"
AC_TRY_LINK(,[$1()], [mdw_cv_lib_$1="none required"])
test "$mdw_cv_lib_$1" = "no" && for i in $2; do
LIBS="-l$i $mdw_save_LIBS"
AC_TRY_LINK(,[$1()],
[mdw_cv_lib_$1="-l$i"
break])
done
LIBS="$mdw_save_LIBS"])
if test "$mdw_cv_lib_$1" != "no"; then
if test "x$3" != "x"; then
test "$mdw_cv_lib_$1" = "none required" && mdw_cv_lib_$1=""
$3
else
test "$mdw_cv_lib_$1" = "none required" || LIBS="$mdw_cv_lib_$1 $LIBS"
fi
else :
$4
fi])
dnl ICE_FIND_MOTIF
dnl --------------
dnl
dnl Find Motif libraries and headers
dnl Put Motif include directory in motif_includes,
dnl put Motif library directory in motif_libraries,
dnl and add appropriate flags to X_CFLAGS and X_LIBS.
dnl
dnl
AC_DEFUN(ICE_FIND_MOTIF,
[
AC_REQUIRE([AC_PATH_XTRA])
motif_includes=
motif_libraries=
AC_ARG_WITH(motif,
[ --without-motif do not use Motif widgets])
dnl Treat --without-motif like
dnl --without-motif-includes --without-motif-libraries.
if test "$with_motif" = "no"
then
motif_includes=no
motif_libraries=no
fi
AC_ARG_WITH(motif-includes,
[ --with-motif-includes=DIR Motif include files are in DIR],
motif_includes="$withval")
AC_ARG_WITH(motif-libraries,
[ --with-motif-libraries=DIR Motif libraries are in DIR],
motif_libraries="$withval")
AC_MSG_CHECKING(for Motif)
#
#
# Search the include files.
#
if test "$motif_includes" = ""; then
AC_CACHE_VAL(ice_cv_motif_includes,
[
ice_motif_save_LIBS="$LIBS"
ice_motif_save_CFLAGS="$CFLAGS"
ice_motif_save_CPPFLAGS="$CPPFLAGS"
ice_motif_save_LDFLAGS="$LDFLAGS"
#
LIBS="$X_PRE_LIBS -lXm -lXt -lX11 $X_EXTRA_LIBS $LIBS"
CFLAGS="$X_CFLAGS $CFLAGS"
CPPFLAGS="$X_CFLAGS $CPPFLAGS"
LDFLAGS="$X_LIBS $LDFLAGS"
#
AC_TRY_COMPILE([#include <Xm/Xm.h>],[int a;],
[
# Xm/Xm.h is in the standard search path.
ice_cv_motif_includes=
],
[
# Xm/Xm.h is not in the standard search path.
# Locate it and put its directory in `motif_includes'
#
# /usr/include/Motif* are used on HP-UX (Motif).
# /usr/include/X11* are used on HP-UX (X and Athena).
# /usr/dt is used on Solaris (Motif).
# /usr/openwin is used on Solaris (X and Athena).
# Other directories are just guesses.
ice_cv_motif_includes=no
for dir in "$x_includes" "${prefix}/include" /usr/include /usr/local/include \
/usr/include/Motif2.0 /usr/include/Motif1.2 /usr/include/Motif1.1 \
/usr/include/X11R6 /usr/include/X11R5 /usr/include/X11R4 \
/usr/dt/include /usr/openwin/include \
/usr/dt/*/include /opt/*/include /usr/include/Motif* \
"${prefix}"/*/include /usr/*/include /usr/local/*/include \
"${prefix}"/include/* /usr/include/* /usr/local/include/*; do
if test -f "$dir/Xm/Xm.h"; then
ice_cv_motif_includes="$dir"
break
fi
done
])
#
LIBS="$ice_motif_save_LIBS"
CFLAGS="$ice_motif_save_CFLAGS"
CPPFLAGS="$ice_motif_save_CPPFLAGS"
LDFLAGS="$ice_motif_save_LDFLAGS"
])
motif_includes="$ice_cv_motif_includes"
fi
#
#
# Now for the libraries.
#
if test "$motif_libraries" = ""; then
AC_CACHE_VAL(ice_cv_motif_libraries,
[
ice_motif_save_LIBS="$LIBS"
ice_motif_save_CFLAGS="$CFLAGS"
ice_motif_save_CPPFLAGS="$CPPFLAGS"
ice_motif_save_LDFLAGS="$LDFLAGS"
#
LIBS="$X_PRE_LIBS -lXm -lXt -lX11 $X_EXTRA_LIBS $LIBS"
CFLAGS="$X_CFLAGS $CFLAGS"
CPPFLAGS="$X_CFLAGS $CPPFLAGS"
LDFLAGS="$X_LIBS $LDFLAGS"
#
AC_TRY_LINK([#include <Xm/Xm.h>],[XtToolkitInitialize();],
[
# libXm.a is in the standard search path.
ice_cv_motif_libraries=
],
[
# libXm.a is not in the standard search path.
# Locate it and put its directory in `motif_libraries'
#
# /usr/lib/Motif* are used on HP-UX (Motif).
# /usr/lib/X11* are used on HP-UX (X and Athena).
# /usr/dt is used on Solaris (Motif).
# /usr/lesstif is used on Linux (Lesstif).
# /usr/openwin is used on Solaris (X and Athena).
# Other directories are just guesses.
ice_cv_motif_libraries=no
for dir in "$x_libraries" "${prefix}/lib" /usr/lib /usr/local/lib \
/usr/lib/Motif2.0 /usr/lib/Motif1.2 /usr/lib/Motif1.1 \
/usr/lib/X11R6 /usr/lib/X11R5 /usr/lib/X11R4 /usr/lib/X11 \
/usr/dt/lib /usr/openwin/lib \
/usr/dt/*/lib /opt/*/lib /usr/lib/Motif* \
/usr/lesstif*/lib /usr/lib/Lesstif* \
"${prefix}"/*/lib /usr/*/lib /usr/local/*/lib \
"${prefix}"/lib/* /usr/lib/* /usr/local/lib/*; do
if test -d "$dir" && test "`ls $dir/libXm.* 2> /dev/null`" != ""; then
ice_cv_motif_libraries="$dir"
break
fi
done
])
#
LIBS="$ice_motif_save_LIBS"
CFLAGS="$ice_motif_save_CFLAGS"
CPPFLAGS="$ice_motif_save_CPPFLAGS"
LDFLAGS="$ice_motif_save_LDFLAGS"
])
#
motif_libraries="$ice_cv_motif_libraries"
fi
# Add Motif definitions to X flags
#
if test "$motif_includes" != "" && test "$motif_includes" != "$x_includes" && test "$motif_includes" != "no"
then
X_CFLAGS="-I$motif_includes $X_CFLAGS"
fi
if test "$motif_libraries" != "" && test "$motif_libraries" != "$x_libraries" && test "$motif_libraries" != "no"
then
case "$X_LIBS" in
*-R\ *) X_LIBS="-L$motif_libraries -R $motif_libraries $X_LIBS";;
*-R*) X_LIBS="-L$motif_libraries -R$motif_libraries $X_LIBS";;
*) X_LIBS="-L$motif_libraries $X_LIBS";;
esac
fi
#
#
motif_libraries_result="$motif_libraries"
motif_includes_result="$motif_includes"
test "$motif_libraries_result" = "" &&
motif_libraries_result="in default path"
test "$motif_includes_result" = "" &&
motif_includes_result="in default path"
test "$motif_libraries_result" = "no" &&
motif_libraries_result="(none)"
test "$motif_includes_result" = "no" &&
motif_includes_result="(none)"
AC_MSG_RESULT(
[libraries $motif_libraries_result, headers $motif_includes_result])
])dnl
dnl ICE_CHECK_LESSTIF
dnl -----------------
dnl
dnl Define `HAVE_LESSTIF' if the Motif library is actually a LessTif library
dnl
AC_DEFUN(ICE_CHECK_LESSTIF,
[
AC_MSG_CHECKING(whether the Motif library is actually a LessTif library)
AC_CACHE_VAL(ice_cv_have_lesstif,
AC_EGREP_CPP(yes,
[#include <Xm/Xm.h>
#ifdef LesstifVersion
yes
#endif
], ice_cv_have_lesstif=yes, ice_cv_have_lesstif=no))
AC_MSG_RESULT($ice_cv_have_lesstif)
if test "$ice_cv_have_lesstif" = yes; then
AC_DEFINE(HAVE_LESSTIF)
fi
])dnl
dnl ACX_CHECK_XMVERSIONSTRING
dnl --------------
AC_DEFUN(ACX_CHECK_XMVERSIONSTRING,
[
AC_CACHE_CHECK( "whether _XmVersionString[] can be referred to",
acx_cv__xmversionstring,
AC_TRY_LINK([#include <stdio.h>],
[extern char _XmVersionString[[]]; printf("%s\n", _XmVersionString);],
[acx_cv__xmversionstring="yes"],
[acx_cv__xmversionstring="no"]
)
)
if test "$acx_cv__xmversionstring" = "yes"
then
AC_DEFINE(HAVE__XMVERSIONSTRING)
$1
else
:
$2
fi
])dnl
dnl ACX_CHECK_ZLIB
dnl --------------
AC_DEFUN(ACX_CHECK_ZLIB,
[
AC_ARG_WITH(zlib_library,
[ --with-zlib-library=OBJ use OBJ as ZLIB library [-lz]],
zlib_library="$withval")
if test "x$zlib_library" = "x"
then
zlib_library=-lz
fi
AC_CACHE_CHECK( "for zlib \>= $1", acx_cv_zlib,
AC_CACHE_VAL(acx_cv_zlib_library, acx_cv_zlib_library=$zlib_library)
ACX_SAVE_STATE
LIBS="$acx_cv_zlib_library $LIBS"
AC_TRY_RUN([
#include <string.h>
#include <zlib.h>
int main(void) {
char *vlib, *vinc;
vlib = zlibVersion();
vinc = ZLIB_VERSION;
if (strcmp(vinc, "[$1]") < 0) {
exit(1);
}
if (strcmp(vinc, vlib) != 0) {
exit(2);
}
exit(0);
}
],
acx_cv_zlib="yes",
acx_cv_zlib="no",
acx_cv_zlib="no"
)
ACX_RESTORE_STATE
)
if test "$acx_cv_zlib" = "yes"
then
Z_LIB="$acx_cv_zlib_library"
$2
else
Z_LIB=
$3
fi
])dnl
dnl ACX_CHECK_JPEG
dnl --------------
AC_DEFUN(ACX_CHECK_JPEG,
[
AC_ARG_WITH(jpeg_library,
[ --with-jpeg-library=OBJ use OBJ as JPEG library [-ljpeg]],
jpeg_library="$withval")
if test "x$jpeg_library" = "x"
then
jpeg_library=-ljpeg
fi
AC_CACHE_CHECK( "for IJG JPEG software \>= $1", acx_cv_jpeg,
AC_CACHE_VAL(acx_cv_jpeg_library, acx_cv_jpeg_library=$jpeg_library)
ACX_SAVE_STATE
LIBS="$acx_cv_jpeg_library $LIBS"
AC_TRY_RUN([
#include <stdio.h>
#include <jpeglib.h>
int main(void) {
int vinc;
struct jpeg_compress_struct cinfo;
jpeg_create_compress(&cinfo);
vinc = JPEG_LIB_VERSION;
if (vinc < [$1]) {
exit(1);
}
exit(0);
}
],
acx_cv_jpeg="yes",
acx_cv_jpeg="no",
acx_cv_jpeg="no"
)
ACX_RESTORE_STATE
)
if test "$acx_cv_jpeg" = "yes"
then
JPEG_LIB=$acx_cv_jpeg_library
$2
else
JPEG_LIB=
$3
fi
])dnl
dnl ACX_CHECK_PNG
dnl --------------
AC_DEFUN(ACX_CHECK_PNG,
[
AC_ARG_WITH(png_library,
[ --with-png-library=OBJ use OBJ as PNG library [-lpng]],
png_library="$withval")
if test "x$png_library" = "x"
then
png_library=-lpng
fi
AC_CACHE_CHECK( "for libpng \>= $1", acx_cv_png,
AC_CACHE_VAL(acx_cv_png_library, acx_cv_png_library=$png_library)
ACX_SAVE_STATE
LIBS="$acx_cv_png_library $Z_LIB $LIBS"
AC_TRY_RUN([
#include <string.h>
#include <png.h>
int main(void) {
char *vlib, *vinc;
vlib = png_libpng_ver;
vinc = PNG_LIBPNG_VER_STRING;
if (strcmp(vinc, "[$1]") < 0) {
exit(1);
}
if (strcmp(vinc, vlib) != 0) {
exit(2);
}
exit(0);
}
],
acx_cv_png="yes",
acx_cv_png="no",
acx_cv_png="no"
)
ACX_RESTORE_STATE
)
if test "$acx_cv_png" = "yes"
then
PNG_LIB="$acx_cv_png_library"
$2
else
PNG_LIB=
$3
fi
])dnl
dnl ACX_CHECK_TIFF
dnl --------------
AC_DEFUN(ACX_CHECK_TIFF,
[
AC_ARG_WITH(tiff_library,
[ --with-tiff-library=OBJ use OBJ as TIFF library [-ltiff]],
tiff_library="$withval")
if test "x$tiff_library" = "x"
then
tiff_library=-ltiff
fi
AC_CACHE_CHECK( "for libtiff \>= $1", acx_cv_tiff,
AC_CACHE_VAL(acx_cv_tiff_library, acx_cv_tiff_library=$tiff_library)
ACX_SAVE_STATE
LIBS="$acx_cv_tiff_library $JPEG_LIB $Z_LIB -lm $LIBS"
AC_TRY_RUN([
#include <tiffio.h>
int main(void) {
int vinc;
(void) TIFFGetVersion();
vinc = TIFFLIB_VERSION;
if (vinc < [$1]) {
exit(1);
}
exit(0);
}
],
acx_cv_tiff="yes",
acx_cv_tiff="no",
acx_cv_tiff="no"
)
ACX_RESTORE_STATE
)
if test "$acx_cv_tiff" = "yes"
then
TIFF_LIB="$acx_cv_tiff_library"
$2
else
TIFF_LIB=
$3
fi
])dnl
dnl ACX_CHECK_PDFLIB
dnl --------------
AC_DEFUN(ACX_CHECK_PDFLIB,
[
AC_ARG_WITH(pdf_library,
[ --with-pdf-library=OBJ use OBJ as PDFlib library [-lpdf]],
pdf_library="$withval")
if test "x$pdf_library" = "x"
then
pdf_library=-lpdf
fi
AC_CACHE_CHECK( "for PDFlib \>= $1", acx_cv_pdflib,
AC_CACHE_VAL(acx_cv_pdf_library, acx_cv_pdf_library=$pdf_library)
ACX_SAVE_STATE
LIBS="$acx_cv_pdf_library $TIFF_LIB $JPEG_LIB $PNG_LIB $Z_LIB $LIBS"
AC_TRY_RUN([
#include <pdflib.h>
int main(void) {
char *vinc;
int vlibn, vincn;
vlibn = 100*PDF_get_majorversion() + PDF_get_minorversion();
vincn = 100*PDFLIB_MAJORVERSION + PDFLIB_MINORVERSION;
vinc = PDFLIB_VERSIONSTRING;
if (strcmp(vinc, "[$1]") < 0) {
exit(1);
}
if (vincn != vlibn) {
exit(2);
}
exit(0);
}
],
acx_cv_pdflib="yes",
acx_cv_pdflib="no",
acx_cv_pdflib="no"
)
ACX_RESTORE_STATE
)
if test "$acx_cv_pdflib" = "yes"
then
PDF_LIB="$acx_cv_pdf_library"
$2
else
PDF_LIB=
$3
fi
])dnl
dnl ACX_CHECK_NETCDF
dnl --------------
AC_DEFUN(ACX_CHECK_NETCDF,
[
AC_ARG_WITH(netcdf_libraries,
[ --with-netcdf-libraries=OBJ use OBJ as netCDF libraries [-lnetcdf]],
netcdf_libraries="$withval")
if test "x$netcdf_libraries" = "x"
then
netcdf_libraries=-lnetcdf
fi
AC_CACHE_CHECK( "for netCDF API version \>= $1", acx_cv_netcdf,
AC_CACHE_VAL(acx_cv_netcdf_libraries, acx_cv_netcdf_libraries=$netcdf_libraries)
ACX_SAVE_STATE
LIBS="$acx_cv_netcdf_libraries $LIBS"
AC_TRY_RUN([
#include <stdio.h>
#include <netcdf.h>
int main(void) {
char *vlib;
vlib = nc_inq_libvers();
if (strcmp(vlib, "[$1]") < 0) {
exit(1);
}
exit(0);
}
],
acx_cv_netcdf="yes",
acx_cv_netcdf="no",
acx_cv_netcdf="no"
)
ACX_RESTORE_STATE
)
if test "$acx_cv_netcdf" = "yes"
then
NETCDF_LIBS="$acx_cv_netcdf_libraries"
$2
else
NETCDF_LIBS=
$3
fi
])dnl
dnl ACX_CHECK_FLTK
dnl --------------
AC_DEFUN(ACX_CHECK_FLTK,
[
fltkprog=`which fltk-config`
if test -x $fltkprog; then
FLTK_CXXFLAGS=`fltk-config --use-gl --use-images --cxxflags`
FLTK_LDFLAGS=`fltk-config --use-gl --use-images --ldflags`
else
FLTK_LDFLAGS=""
fi
])dnl
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