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64 lines
1.7 KiB
Plaintext
64 lines
1.7 KiB
Plaintext
#serial 5
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dnl Misc lib-related macros for fileutils, sh-utils, textutils.
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AC_DEFUN([jm_LIB_CHECK],
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[
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# Check for libypsec.a on Dolphin M88K machines.
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AC_CHECK_LIB(ypsec, main)
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# m88k running dgux 5.4 needs this
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AC_CHECK_LIB(ldgc, main)
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# Some programs need to link with -lm. printf does if it uses
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# lib/strtod.c which uses pow. And seq uses the math functions,
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# floor, modf, rint. And factor uses sqrt. And sleep uses fesetround.
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# Save a copy of $LIBS and add $FLOOR_LIBM before these tests
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# Check for these math functions used by seq.
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ac_su_saved_lib="$LIBS"
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LIBS="$LIBS -lm"
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AC_CHECK_FUNCS(floor modf rint)
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LIBS="$ac_su_saved_lib"
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AC_SUBST(SQRT_LIBM)
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AC_CHECK_FUNCS(sqrt)
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if test $ac_cv_func_sqrt = no; then
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AC_CHECK_LIB(m, sqrt, [SQRT_LIBM=-lm])
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fi
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AC_SUBST(FESETROUND_LIBM)
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AC_CHECK_FUNCS(fesetround)
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if test $ac_cv_func_fesetround = no; then
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AC_CHECK_LIB(m, fesetround, [FESETROUND_LIBM=-lm])
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fi
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# The -lsun library is required for YP support on Irix-4.0.5 systems.
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# m88k/svr3 DolphinOS systems using YP need -lypsec for id.
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AC_SEARCH_LIBS(yp_match, [sun ypsec])
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# SysV needs -lsec, older versions of Linux need -lshadow for
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# shadow passwords. UnixWare 7 needs -lgen.
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AC_SEARCH_LIBS(getspnam, [shadow sec gen])
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AC_CHECK_HEADERS(shadow.h)
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# Requirements for su.c.
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shadow_includes="\
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$ac_includes_default
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#if HAVE_SHADOW_H
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# include <shadow.h>
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#endif
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"
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AC_CHECK_MEMBERS([struct spwd.sp_pwdp],,,[$shadow_includes])
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AC_CHECK_FUNCS(getspnam)
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# SCO-ODT-3.0 is reported to need -lufc for crypt.
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# NetBSD needs -lcrypt for crypt.
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ac_su_saved_lib="$LIBS"
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AC_SEARCH_LIBS(crypt, [ufc crypt], [LIB_CRYPT="$ac_cv_search_crypt"])
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LIBS="$ac_su_saved_lib"
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AC_SUBST(LIB_CRYPT)
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])
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