octave-lyh: m4/acinclude.m4 comparison

comparison m4/acinclude.m4 @ 15063:36cbcc37fdb8

Refactor configure.ac to make it more understandable. Use common syntax for messages in config.h Correct typos, refer to libraries in all caps, use two spaces after period. Follow Autoconf guidelines and place general tests before specific tests. * configure.ac, m4/acinclude.m4: Use common syntax for messages in config.h Correct typos, refer to libraries in all caps, use two spaces after period. Follow Autoconf guidelines and place general tests before specific tests.

author	Rik <rik@octave.org>
date	Tue, 31 Jul 2012 10:28:51 -0700
parents	c753ee228708
children	25200c04bc25

comparison

equal deleted inserted replaced

-:5156934606d7
+:36cbcc37fdb8
 [AC_LANG_PUSH(C++)
 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <new>]],
 [[operator delete((void *)0, (void *)0);]])],
 octave_cv_placement_delete=yes, octave_cv_placement_delete=no)])
 if test $octave_cv_placement_delete = yes; then
-AC_DEFINE(HAVE_PLACEMENT_DELETE,1,[Define if C++ supports operator delete(void *, void *)])
+AC_DEFINE(HAVE_PLACEMENT_DELETE,1,[Define to 1 if C++ supports operator delete(void *, void *).])
 fi
 AC_LANG_POP(C++)
 ])
 dnl
 dnl See if the compiler dynamic auto arrays
 [AC_LANG_PUSH(C++)
 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]],
 [[void test(char *); int length(); char x[length()]; test(x);]])],
 octave_cv_dynamic_auto_arrays=yes, octave_cv_dynamic_auto_arrays=no)])
 if test $octave_cv_dynamic_auto_arrays = yes; then
-AC_DEFINE(HAVE_DYNAMIC_AUTO_ARRAYS,1,[Define if C++ supports dynamic auto arrays])
+AC_DEFINE(HAVE_DYNAMIC_AUTO_ARRAYS,1,[Define to 1 if C++ supports dynamic auto arrays.])
 fi
 AC_LANG_POP(C++)
 ])
 dnl
 dnl See if the C++ library has the bit_and, bit_or and bit_xor
 int z1 = std::bit_and<int>() (x, y);
 int z2 = std::bit_or<int>() (x, y);
 int z3 = std::bit_xor<int>() (x, y);]])],
 octave_cv_cxx_bitwise_op_templates=yes, octave_cv_cxx_bitwise_op_templates=no)])
 if test $octave_cv_cxx_bitwise_op_templates = yes; then
-AC_DEFINE(HAVE_CXX_BITWISE_OP_TEMPLATES,1,[Define if C++ library has templated bitwise operators])
+AC_DEFINE(HAVE_CXX_BITWISE_OP_TEMPLATES,1,[Define to 1 if C++ library has templated bitwise operators.])
 fi
 AC_LANG_POP(C++)
 ])
 dnl
 [AC_LANG_PUSH(C++)
 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <complex>]],
 [[std::complex<double> x; x.real (1.0); x.imag (2.0);]])],
 octave_cv_cxx_complex_setters=yes, octave_cv_cxx_complex_setters=no)])
 if test $octave_cv_cxx_complex_setters = yes; then
-AC_DEFINE(HAVE_CXX_COMPLEX_SETTERS,1,[Define if C++ complex class has void real (T) and void imag (T) methods])
+AC_DEFINE(HAVE_CXX_COMPLEX_SETTERS,1,[Define to 1 if C++ complex class has void real (T) and void imag (T) methods.])
 fi
 AC_LANG_POP(C++)
 ])
 dnl
 dnl See if the C++ library has functions to access real and imaginary
 [AC_LANG_PUSH(C++)
 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <complex>]],
 [[std::complex<double> x; x.real () = 1.0; x.imag () = 1.0;]])],
 octave_cv_cxx_complex_reference_accessors=yes, octave_cv_cxx_complex_reference_accessors=no)])
 if test $octave_cv_cxx_complex_reference_accessors = yes; then
-AC_DEFINE(HAVE_CXX_COMPLEX_REFERENCE_ACCESSORS,1,[Define if C++ complex class has T& real (void) and T& imag (void) methods])
+AC_DEFINE(HAVE_CXX_COMPLEX_REFERENCE_ACCESSORS,1,[Define to 1 if C++ complex class has T& real (void) and T& imag (void) methods.])
 fi
 AC_LANG_POP(C++)
 ])
 dnl
 dnl See if the Carbon Framework defines CGDisplayBitsPerPixel.
 CGDirectDisplayID display = CGMainDisplayID ();
 size_t depth = CGDisplayBitsPerPixel (display);
 ]])],
 octave_cv_carbon_cgdisplaybitsperpixel=yes, octave_cv_carbon_cgdisplaybitsperpixel=no)])
 if test $octave_cv_carbon_cgdisplaybitsperpixel = yes; then
-AC_DEFINE(HAVE_CARBON_CGDISPLAYBITSPERPIXEL,1,[Define if Carbon Framework has CGDisplayBitsPerPixel])
+AC_DEFINE(HAVE_CARBON_CGDISPLAYBITSPERPIXEL,1,[Define to 1 if Carbon Framework has CGDisplayBitsPerPixel.])
 fi
 AC_LANG_POP(C++)
 ])
 dnl
 dnl The following test is from Karl Berry's Kpathseach library.  I'm
 [octave_cv_cxx_new_friend_template_decl=yes])
 AC_LANG_POP(C++)
 ])
 AC_MSG_RESULT([$octave_cv_cxx_new_friend_template_decl])
 if test $octave_cv_cxx_new_friend_template_decl = yes; then
-AC_DEFINE(CXX_NEW_FRIEND_TEMPLATE_DECL,1,[Define if your compiler supports `<>' stuff for template friends.])
+AC_DEFINE(CXX_NEW_FRIEND_TEMPLATE_DECL,1,[Define to 1 if your compiler supports `<>' stuff for template friends.])
 fi
 ])
 dnl
 dnl Check to see if C compiler handles FLAG command line option.  If
 dnl two arguments are specified, execute the second arg as shell
 AC_MSG_RESULT([$octave_$1_ok])
 if test $octave_$1_ok = yes; then
 	m4_ifblank([$8], [
 	  warn_$1=
 	  AC_DEFINE([HAVE_]m4_toupper([$1]), 1,
-[Define if $2 is available.])
+[Define to 1 if $2 is available.])
 	  [TEXINFO_]m4_toupper([$1])="@set [HAVE_]m4_toupper([$1])"], [$8])
 fi
 LIBS="$octave_check_library_save_LIBS"
 LDFLAGS="$octave_check_library_save_LDFLAGS"
 fi
 [octave_cv_cxx_iso_compliant_library=no])
 AC_LANG_POP(C++)
 ])
 AC_MSG_RESULT([$octave_cv_cxx_iso_compliant_library])
 if test $octave_cv_cxx_iso_compliant_library = yes; then
-AC_DEFINE(CXX_ISO_COMPLIANT_LIBRARY, 1, [Define if your C++ runtime library is ISO compliant.])
+AC_DEFINE(CXX_ISO_COMPLIANT_LIBRARY, 1, [Define to 1 if your C++ runtime library is ISO compliant.])
 fi
 ])
 dnl
 dnl Allow the user disable support for command line editing using GNU
 dnl readline.
 if $USE_READLINE; then
 save_LIBS="$LIBS"
 LIBS="$TERM_LIBS"
 AC_CHECK_LIB(readline, rl_set_keyboard_input_timeout, [
 READLINE_LIBS="-lreadline"
-AC_DEFINE(USE_READLINE, 1, [Define to use the readline library.])
+AC_DEFINE(USE_READLINE, 1, [Define to 1 to use the readline library.])
 ], [
 AC_MSG_WARN([I need GNU Readline 4.2 or later])
 AC_MSG_ERROR([this is fatal unless you specify --disable-readline])
 ])
 LIBS="$save_LIBS"
 void *vptr = reinterpret_cast<void *> (psin);
 psin = reinterpret_cast<fptr> (vptr);]])],
 octave_cv_cxx_broken_reinterpret_cast=no,
 octave_cv_cxx_broken_reinterpret_cast=yes)])
 if test $octave_cv_cxx_broken_reinterpret_cast = yes ; then
-AC_DEFINE(CXX_BROKEN_REINTERPRET_CAST, 1, [Define if C++ reinterpret_cast fails for function pointers.])
+AC_DEFINE(CXX_BROKEN_REINTERPRET_CAST, 1, [Define to 1 if C++ reinterpret_cast fails for function pointers.])
 fi
 AC_LANG_POP(C++)])
 dnl
 dnl Find find.
 dnl
 AC_MSG_RESULT([$octave_cv_ieee754_data_format assumed for cross compilation])
 else
 AC_MSG_RESULT([$octave_cv_ieee754_data_format])
 fi
 if test "$octave_cv_ieee754_data_format" = yes; then
-AC_DEFINE(HAVE_IEEE754_DATA_FORMAT, 1, [Define if your system uses IEEE 754 data format.])
+AC_DEFINE(HAVE_IEEE754_DATA_FORMAT, 1, [Define to 1 if your system uses IEEE 754 data format.])
 else
 ## If the format is unknown, then you will probably not have a
 ## useful system, so we will abort here.  Anyone wishing to
 ## experiment with building Octave on a system without IEEE
 ## floating point should be capable of removing this check and
 AC_MSG_RESULT([$octave_cv_umfpack_seperate_split assumed for cross compilation])
 else
 AC_MSG_RESULT([$octave_cv_umfpack_seperate_split])
 fi
 if test "$octave_cv_umfpack_seperate_split" = yes; then
-AC_DEFINE(UMFPACK_SEPARATE_SPLIT, 1, [Define if the UMFPACK Complex solver allow matrix and RHS to be split independently])
+AC_DEFINE(UMFPACK_SEPARATE_SPLIT, 1, [Define to 1 if the UMFPACK Complex solver allow matrix and RHS to be split independently.])
 fi
 ])
 dnl
 dnl Check whether using HDF5 DLL under Windows. This is done by
 dnl testing for a data symbol in the HDF5 library, which would
 octave_cv_hdf5_dll=yes,
 	octave_cv_hdf5_dll=no)
 CFLAGS="$save_CFLAGS"
 LIBS="$save_LIBS"])])
 if test "$octave_cv_hdf5_dll" = yes; then
-AC_DEFINE(_HDF5USEDLL_, 1, [Define if using HDF5 dll (Win32)])
+AC_DEFINE(_HDF5USEDLL_, 1, [Define to 1 if using HDF5 dll (Win32).])
 fi])
 dnl
 dnl Check whether HDF5 library has version 1.6 API functions.
 dnl
 AC_DEFUN([OCTAVE_HDF5_HAS_ENFORCED_16_API], [
 ], [
 H5Eset_auto (0, 0);], [
 octave_cv_hdf5_has_enforced_16_api=yes], [
 octave_cv_hdf5_has_enforced_16_api=no])])
 if test "$octave_cv_hdf5_has_enforced_16_api" != "yes"; then
-AC_DEFINE(HAVE_HDF5_18, 1, [Define if >=HDF5-1.8 is available.])
+AC_DEFINE(HAVE_HDF5_18, 1, [Define to 1 if >=HDF5-1.8 is available.])
 fi
 ])
 dnl
-dnl Check for the QHull version.
+dnl Check for the Qhull version.
 dnl
 AC_DEFUN([OCTAVE_CHECK_QHULL_VERSION],
 [AC_CACHE_CHECK([for qh_version in $QHULL_LIBS],
 octave_cv_lib_qhull_version,  [
 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
 ]], [[
 const char *tmp = qh_version;
 ]])], [octave_cv_lib_qhull_version=yes], [octave_cv_lib_qhull_version=no])])
 if test "$octave_cv_lib_qhull_version" = no; then
 AC_DEFINE(NEED_QHULL_VERSION, 1,
-[Define if the QHull library needs a qh_version variable defined.])
+[Define to 1 if the Qhull library needs a qh_version variable defined.])
 fi
 ])
 dnl
-dnl Check whether QHull works (does not crash)
+dnl Check whether Qhull works (does not crash)
 dnl
 AC_DEFUN([OCTAVE_CHECK_QHULL_OK],
 [AC_CACHE_CHECK([whether the qhull library works],
 octave_cv_lib_qhull_ok, [
 AC_RUN_IFELSE([AC_LANG_PROGRAM([[
 fi
 ])
 dnl
 dnl Check for OpenGL.  If found, define OPENGL_LIBS
 dnl
-dnl FIXME -- the following tests should probably check for the
+dnl FIXME: The following tests should probably check for the
 dnl libraries separately.
 dnl
-dnl FIXME -- should we allow a way to specify a directory for OpenGL
+dnl FIXME: Should we allow a way to specify a directory for OpenGL
 dnl libraries and header files?
 dnl
 AC_DEFUN([OCTAVE_OPENGL], [
 OPENGL_LIBS=
 #include <OpenGL/gl.h>
 #include <OpenGL/glu.h> ], [GLint par; glGetIntegerv (GL_VIEWPORT, &par);],
 [have_framework_opengl="yes"], [have_framework_opengl="no"])
 if test $have_framework_opengl = "yes"; then
-AC_DEFINE(HAVE_FRAMEWORK_OPENGL, 1, [Define if framework OPENGL is available.])
+AC_DEFINE(HAVE_FRAMEWORK_OPENGL, 1, [Define to 1 if framework OPENGL is available.])
 OPENGL_LIBS="-Wl,-framework -Wl,OpenGL"
 AC_MSG_NOTICE([adding -Wl,-framework -Wl,OpenGL to OPENGL_LIBS])
 OCTAVE_GLUTESSCALLBACK_THREEDOTS
 else
 case $canonical_host_type in
 [[GLvoid (*func)(...); gluTessCallback(0, 0, func);]])],
 octave_cv_glutesscallback_threedots="yes", octave_cv_glutesscallback_threedots="no")])
 AC_LANG_POP(C++)
 if test $octave_cv_glutesscallback_threedots = "yes"; then
 AC_DEFINE(HAVE_GLUTESSCALLBACK_THREEDOTS, 1,
-[Define if gluTessCallback is called with (...)])
+[Define to 1 if gluTessCallback is called with (...).])
 fi
 ])
 dnl
 dnl Check for support of OpenMP with a given compiler flag. If
 dnl found define HAVE_OPENMP and add the compile flag to CFLAGS
 return 0;
 }
 ]])],octave_cv_openmp=yes, octave_cv_openmmp=no, octave_cv_openmp=no)])
 AC_MSG_RESULT($octave_cv_openmp)
 if test "$octave_cv_openmp" = yes; then
-AC_DEFINE(HAVE_OPENMP,1,[Define if compiler supports OpenMP])
+AC_DEFINE(HAVE_OPENMP,1,[Define to 1 if compiler supports OpenMP.])
 CXXFLAGS="$CXXFLAGS $1"
 else
 CFLAGS="$XCFLAGS"
 fi
 ])
 ]],
 [[
 take_func(std::$1);
 ]])],
 [AC_MSG_RESULT([yes])
-AC_DEFINE(HAVE_CMATH_[]AS_TR_CPP($1),1,[Define if <cmath> provides $1])],
+AC_DEFINE(HAVE_CMATH_[]AS_TR_CPP($1),1,[Define to 1 if <cmath> provides $1.])],
 [AC_MSG_RESULT([no])])
 AC_MSG_CHECKING([for std::$1 (float variant) in <cmath>])
 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 #include <cmath>
 void take_func (bool (*func) (float x));
 ]],
 [[
 take_func(std::$1);
 ]])],
 [AC_MSG_RESULT([yes])
-AC_DEFINE(HAVE_CMATH_[]AS_TR_CPP($1)F,1,[Define if <cmath> provides float variant of $1])],
+AC_DEFINE(HAVE_CMATH_[]AS_TR_CPP($1)F,1,[Define to 1 if <cmath> provides float variant of $1.])],
 [AC_MSG_RESULT([no])])
 AC_LANG_POP(C++)
 ])
 dnl Check whether fast signed integer arithmetics using bit tricks
-dnl can be used in oct-inttypes.h. Defines HAVE_FAST_INT_OPS if
+dnl can be used in oct-inttypes.h.  Defines HAVE_FAST_INT_OPS if
 dnl the following conditions hold:
 dnl 1. Signed numbers are represented by twos complement
 dnl    (see <http://en.wikipedia.org/wiki/Two%27s_complement>)
 dnl 2. static_cast to unsigned int counterpart works like interpreting
 dnl    the signed bit pattern as unsigned (and is thus zero-cost).
 [octave_cv_fast_int_ops=no],
 [octave_cv_fast_int_ops=yes])
 AC_LANG_POP(C++)])
 if test $octave_cv_fast_int_ops = yes; then
 AC_DEFINE(HAVE_FAST_INT_OPS, 1,
-[Define if signed integers use two's complement])
+[Define to 1 if signed integers use two's complement.])
 fi
 ])
 dnl
 dnl Check to see if the compiler and the linker can handle the flags
 dnl "-framework $1" for the given prologue $2 and the given body $3 of
 dnl a source file.  Arguments 2 and 3 optionally can also be empty.
 dnl Add options (lower case letters $1) "--with-framework-$1" and
-dnl "--without-framework-$1". If this test is successful then perform
+dnl "--without-framework-$1".  If this test is successful then perform
 dnl $4, otherwise do $5.
 dnl
 dnl OCTAVE_HAVE_FRAMEWORK
 AC_DEFUN([OCTAVE_HAVE_FRAMEWORK], [
 AC_MSG_CHECKING([whether ${LD-ld} accepts -framework $1])

Mercurial > hg > octave-lyh

comparison m4/acinclude.m4 @ 15063:36cbcc37fdb8