modules/float

   1 Description:
   2 A correct <float.h>.
   3
   4 Files:
   5 lib/float.in.h
   6 lib/float.c
   7 lib/itold.c
   8 m4/float_h.m4
   9
  10 Depends-on:
  11 gen-header
  12 include_next
  13
  14 configure.ac:
  15 gl_FLOAT_H
  16 gl_CONDITIONAL_HEADER([float.h])
  17 AC_PROG_MKDIR_P
  18 gl_CONDITIONAL([GL_COND_OBJ_FLOAT],
  19                [test $REPLACE_FLOAT_LDBL = 1 || test $REPLACE_FLOAT_SNAN = 1])
  20 gl_CONDITIONAL([GL_COND_OBJ_ITOLD], [test $REPLACE_ITOLD = 1])
  21 dnl Prerequisites of lib/float.c.
  22 AC_REQUIRE([gl_BIGENDIAN])
  23
  24 Makefile.am:
  25 BUILT_SOURCES += $(FLOAT_H)
  26
  27 # We need the following in order to create <float.h> when the system
  28 # doesn't have one that works with the given compiler.
  29 if GL_GENERATE_FLOAT_H
  30 float.h: float.in.h $(top_builddir)/config.status
  31 @NMD@   $(AM_V_GEN)$(MKDIR_P) '%reldir%'
  32         $(gl_V_at)$(SED_HEADER_STDOUT) \
  33               -e 's|@''GUARD_PREFIX''@|${gl_include_guard_prefix}|g' \
  34               -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
  35               -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
  36               -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
  37               -e 's|@''NEXT_FLOAT_H''@|$(NEXT_FLOAT_H)|g' \
  38               -e 's|@''REPLACE_ITOLD''@|$(REPLACE_ITOLD)|g' \
  39               $(srcdir)/float.in.h > $@-t
  40         $(AM_V_at)mv $@-t $@
  41 else
  42 float.h: $(top_builddir)/config.status
  43         rm -f $@
  44 endif
  45 MOSTLYCLEANFILES += float.h float.h-t
  46
  47 if GL_COND_OBJ_FLOAT
  48 lib_SOURCES += float.c
  49 endif
  50 if GL_COND_OBJ_ITOLD
  51 lib_SOURCES += itold.c
  52 endif
  53
  54 Include:
  55 <float.h>
  56
  57 License:
  58 LGPLv2+
  59
  60 Maintainer:
  61 all