https://github.com/libsdl-org/autoconf/commit/225439be3181f9b0774d58457d4145a4cb5327e6
From 225439be3181f9b0774d58457d4145a4cb5327e6 Mon Sep 17 00:00:00 2001
From: Ben Elliston <[EMAIL REDACTED]>
Date: Sat, 16 Oct 1999 08:33:59 +0000
Subject: [PATCH] 1999-10-06 Akim Demaille <akim@epita.fr>
* acspecific.m4: Various formatting changes.
* acspecific.m4 (AC_PROG_CC_WORKS): Declare main returns an int.
---
ChangeLog | 5 ++
acspecific.m4 | 125 ++++++++++++++++++++++++++++-----------
lib/autoconf/specific.m4 | 125 ++++++++++++++++++++++++++++-----------
3 files changed, 183 insertions(+), 72 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index ef1fc96a..036b2a4c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -7,6 +7,11 @@
* acspecific.m4 (AC_CHECK_HEADER_DIRENT): Reintroduce its
AC_DEFUN.
+1999-10-06 Akim Demaille <akim@epita.fr>
+
+ * acspecific.m4: Various formatting changes.
+ * acspecific.m4 (AC_PROG_CC_WORKS): Declare main returns an int.
+
1999-10-05 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
Shell meta characters in an argument causes the configure script
diff --git a/acspecific.m4 b/acspecific.m4
index 2f2f79f5..bd623c0c 100644
--- a/acspecific.m4
+++ b/acspecific.m4
@@ -175,7 +175,8 @@ dnl
dnl AC_PROG_F77()
AC_DEFUN(AC_PROG_F77,
[AC_BEFORE([$0], [AC_PROG_CPP])dnl
-AC_CHECK_PROGS(F77, ifelse([$1], , [g77 f77 xlf cf77 fl32 fort77 f90 xlf90 f2c], [$1]))
+AC_CHECK_PROGS(F77,
+ m4_default([$1], [g77 f77 xlf cf77 fl32 fort77 f90 xlf90 f2c]))
AC_PROG_F77_WORKS
AC_PROG_F77_GNU
@@ -202,11 +203,14 @@ else
fi
])
+dnl AC_PROG_CC_WORKS
+dnl ----------------
AC_DEFUN(AC_PROG_CC_WORKS,
[AC_MSG_CHECKING([whether the C compiler ($CC $CFLAGS $CPPFLAGS $LDFLAGS) works])
AC_LANG_SAVE
AC_LANG_C
-AC_TRY_COMPILER([main(){return(0);}], ac_cv_prog_cc_works, ac_cv_prog_cc_cross)
+AC_TRY_COMPILER([int main(){return(0);}],
+ ac_cv_prog_cc_works, ac_cv_prog_cc_cross)
AC_LANG_RESTORE
AC_MSG_RESULT($ac_cv_prog_cc_works)
if test $ac_cv_prog_cc_works = no; then
@@ -217,11 +221,14 @@ AC_MSG_RESULT($ac_cv_prog_cc_cross)
cross_compiling=$ac_cv_prog_cc_cross
])
+dnl AC_PROG_CXX_WORKS
+dnl -----------------
AC_DEFUN(AC_PROG_CXX_WORKS,
[AC_MSG_CHECKING([whether the C++ compiler ($CXX $CXXFLAGS $CPPFLAGS $LDFLAGS) works])
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
-AC_TRY_COMPILER([int main(){return(0);}], ac_cv_prog_cxx_works, ac_cv_prog_cxx_cross)
+AC_TRY_COMPILER([int main(){return(0);}],
+ ac_cv_prog_cxx_works, ac_cv_prog_cxx_cross)
AC_LANG_RESTORE
AC_MSG_RESULT($ac_cv_prog_cxx_works)
if test $ac_cv_prog_cxx_works = no; then
@@ -232,12 +239,12 @@ AC_MSG_RESULT($ac_cv_prog_cxx_cross)
cross_compiling=$ac_cv_prog_cxx_cross
])
+dnl AC_PROG_F77_WORKS
+dnl -----------------
dnl Test whether the Fortran 77 compiler can compile and link a trivial
dnl Fortran program. Also, test whether the Fortran 77 compiler is a
dnl cross-compiler (which may realistically be the case if the Fortran
dnl compiler is `g77').
-dnl
-dnl AC_PROG_F77_WORKS()
AC_DEFUN(AC_PROG_F77_WORKS,
[AC_MSG_CHECKING([whether the Fortran 77 compiler ($F77 $FFLAGS $LDFLAGS) works])
AC_LANG_SAVE
@@ -256,6 +263,8 @@ AC_MSG_RESULT($ac_cv_prog_f77_cross)
cross_compiling=$ac_cv_prog_f77_cross
])
+dnl AC_PROG_CC_GNU
+dnl --------------
AC_DEFUN(AC_PROG_CC_GNU,
[AC_CACHE_CHECK(whether we are using GNU C, ac_cv_prog_gcc,
[dnl The semicolon is to pacify NeXT's syntax-checking cpp.
@@ -270,6 +279,8 @@ else
ac_cv_prog_gcc=no
fi])])
+dnl AC_PROG_CXX_GNU
+dnl ---------------
AC_DEFUN(AC_PROG_CXX_GNU,
[AC_CACHE_CHECK(whether we are using GNU C++, ac_cv_prog_gxx,
[dnl The semicolon is to pacify NeXT's syntax-checking cpp.
@@ -284,11 +295,11 @@ else
ac_cv_prog_gxx=no
fi])])
+dnl AC_PROG_F77_GNU
+dnl ---------------
dnl Test whether for Fortran 77 compiler is `g77' (the GNU Fortran 77
dnl Compiler). This test depends on whether the Fortran 77 compiler can
dnl do CPP pre-processing.
-dnl
-dnl AC_PROG_F77_GNU()
AC_DEFUN(AC_PROG_F77_GNU,
[AC_CACHE_CHECK(whether we are using GNU Fortran 77, ac_cv_prog_g77,
[cat > conftest.fpp <<EOF
@@ -302,6 +313,9 @@ else
ac_cv_prog_g77=no
fi])])
+
+dnl AC_PROG_CC_G
+dnl ------------
AC_DEFUN(AC_PROG_CC_G,
[AC_CACHE_CHECK(whether ${CC-cc} accepts -g, ac_cv_prog_cc_g,
[echo 'void f(){}' > conftest.c
@@ -313,6 +327,9 @@ fi
rm -f conftest*
])])
+
+dnl AC_PROG_CXX_G
+dnl -------------
AC_DEFUN(AC_PROG_CXX_G,
[AC_CACHE_CHECK(whether ${CXX-g++} accepts -g, ac_cv_prog_cxx_g,
[echo 'void f(){}' > conftest.cc
@@ -324,10 +341,11 @@ fi
rm -f conftest*
])])
+
+dnl AC_PROG_F77_G
+dnl -------------
dnl Test whether the Fortran 77 compiler can accept the `-g' option to
dnl enable debugging.
-dnl
-dnl AC_PROG_F77_G()
AC_DEFUN(AC_PROG_F77_G,
[AC_CACHE_CHECK(whether $F77 accepts -g, ac_cv_prog_f77_g,
[cat > conftest.f << EOF
@@ -364,6 +382,8 @@ Autoconf TCGETA],
fi
])
+dnl AC_PROG_CC_C_O
+dnl --------------
AC_DEFUN(AC_PROG_CC_C_O,
[if test "x$CC" != xcc; then
AC_MSG_CHECKING(whether $CC and cc understand -c and -o together)
@@ -411,7 +431,8 @@ else
AC_DEFINE(NO_MINUS_C_MINUS_O, 1,
[Define if your C compiler doesn't accept -c and -o together.])
fi
-])
+])dnl AC_PROG_CC_C_O
+
dnl Test if the Fortran 77 compiler accepts the options `-c' and `-o'
dnl simultaneously, and define `F77_NO_MINUS_C_MINUS_O' if it does not.
@@ -453,6 +474,8 @@ else
fi
])
+dnl AC_PROG_MAKE_SET
+dnl ----------------
dnl Define SET_MAKE to set ${MAKE} if make doesn't.
AC_DEFUN(AC_PROG_MAKE_SET,
[AC_MSG_CHECKING(whether ${MAKE-make} sets \${MAKE})
@@ -489,12 +512,14 @@ dnl Check for mawk first since it's generally faster.
AC_DEFUN(AC_PROG_AWK,
[AC_CHECK_PROGS(AWK, mawk gawk nawk awk, )])
+
dnl AC_PROG_SED
dnl -----------
dnl Check whether the first sed in the path supports long scripts.
dnl Set the variable $ac_cv_prog_sed_max_cmd to the maximum number
dnl of commands to put in a sed script, `infinite' meaning a priori
dnl infinite.
+dnl This macro is not documented on purpose.
AC_DEFUN([AC_PROG_SED],
[AC_CACHE_CHECK([for max sed script length], ac_cv_prog_sed_max_cmd,
[echo >conftest.s "\
@@ -542,9 +567,13 @@ fi
])dnl
])dnl AC_PROG_BINSH
+
+dnl AC_PROG_YACC
+dnl ------------
AC_DEFUN(AC_PROG_YACC,
[AC_CHECK_PROGS(YACC, 'bison -y' byacc, yacc)])
+
dnl AC_PROG_CPP
dnl -----------
AC_DEFUN(AC_PROG_CPP,
@@ -577,8 +606,11 @@ else
fi
AC_MSG_RESULT($CPP)
AC_SUBST(CPP)dnl
-])
+])dnl AC_PROG_CPP
+
+dnl AC_PROG_CXXCPP
+dnl --------------
AC_DEFUN(AC_PROG_CXXCPP,
[AC_MSG_CHECKING(how to run the C++ preprocessor)
if test -z "$CXXCPP"; then
@@ -599,8 +631,12 @@ AC_SUBST(CXXCPP)dnl
dnl Require finding the C or C++ preprocessor, whichever is the
dnl current language.
AC_DEFUN(AC_REQUIRE_CPP,
-[ifelse(AC_LANG, C, [AC_REQUIRE([AC_PROG_CPP])], [AC_REQUIRE([AC_PROG_CXXCPP])])])
+[ifelse(AC_LANG,
+ C, [AC_REQUIRE([AC_PROG_CPP])],
+ [AC_REQUIRE([AC_PROG_CXXCPP])])])
+dnl AC_PROG_LEX
+dnl -----------
AC_DEFUN(AC_PROG_LEX,
[AC_CHECK_PROG(LEX, flex, flex, lex)
if test -z "$LEXLIB"
@@ -613,7 +649,10 @@ then
fi
AC_SUBST(LEXLIB)])
+dnl AC_DECL_YYTEXT
+dnl --------------
dnl Check if lex declares yytext as a char * by default, not a char[].
+dnl FIXME: Why the heck is there the following line?
undefine([AC_DECL_YYTEXT])
AC_DEFUN(AC_DECL_YYTEXT,
[AC_REQUIRE_CPP()dnl
@@ -793,18 +832,6 @@ if test $ac_cv_header_stdc = yes; then
fi
])
-AC_DEFUN(AC_UNISTD_H,
-[AC_HASBEEN([$0], [; instead use AC_CHECK_HEADERS(unistd.h)])])dnl
-
-AC_DEFUN(AC_USG,
-[AC_HASBEEN([$0],
- [; instead use AC_CHECK_HEADERS(string.h) and HAVE_STRING_H])])
-
-dnl If memchr and the like aren't declared in <string.h>, include <memory.h>.
-dnl To avoid problems, don't check for gcc2 built-ins.
-AC_DEFUN(AC_MEMORY_H,
-[AC_HASBEEN([$0], [; instead use AC_CHECK_HEADERS(memory.h) and HAVE_MEMORY_H])])
-
AC_DEFUN(AC_HEADER_MAJOR,
[AC_CACHE_CHECK(whether sys/types.h defines makedev,
ac_cv_header_sys_types_h_makedev,
@@ -874,9 +901,6 @@ fi
])
-AC_DEFUN(AC_DIR_HEADER,
-[AC_HASBEEN([$0], [; instead use AC_HEADER_DIRENT])])
-
AC_DEFUN(AC_HEADER_STAT,
[AC_CACHE_CHECK(whether stat file-mode macros are broken,
ac_cv_header_stat_broken,
@@ -953,6 +977,24 @@ if test $ac_cv_header_sys_wait_h = yes; then
fi
])
+dnl A few hasbeen'd macros.
+
+AC_DEFUN(AC_UNISTD_H,
+[AC_HASBEEN([$0], [; instead use AC_CHECK_HEADERS(unistd.h)])])
+
+AC_DEFUN(AC_USG,
+[AC_HASBEEN([$0],
+ [; instead use AC_CHECK_HEADERS(string.h) and HAVE_STRING_H])])
+
+dnl If memchr and the like aren't declared in <string.h>, include <memory.h>.
+dnl To avoid problems, don't check for gcc2 built-ins.
+AC_DEFUN(AC_MEMORY_H,
+[AC_HASBEEN([$0],
+ [; instead use AC_CHECK_HEADERS(memory.h) and HAVE_MEMORY_H])])
+
+AC_DEFUN(AC_DIR_HEADER,
+[AC_HASBEEN([$0], [; instead use AC_HEADER_DIRENT])])
+
dnl ### Checks for typedefs
@@ -1021,6 +1063,8 @@ AC_DEFUN(AC_TYPE_OFF_T,
AC_DEFUN(AC_TYPE_MODE_T,
[AC_CHECK_TYPE(mode_t, int)])
+dnl AC_TYPE_SIGNAL
+dnl --------------
dnl Note that identifiers starting with SIG are reserved by ANSI C.
AC_DEFUN(AC_TYPE_SIGNAL,
[AC_CACHE_CHECK([return type of signal handlers], ac_cv_type_signal,
@@ -1055,7 +1099,9 @@ AC_CACHE_CHECK(whether closedir returns void, ac_cv_func_closedir_void,
[AC_TRY_RUN([#include <sys/types.h>
#include <$ac_header_dirent>
int closedir(); main() { exit(closedir(opendir(".")) != 0); }],
- ac_cv_func_closedir_void=no, ac_cv_func_closedir_void=yes, ac_cv_func_closedir_void=yes)])
+ ac_cv_func_closedir_void=no,
+ ac_cv_func_closedir_void=yes,
+ ac_cv_func_closedir_void=yes)])
if test $ac_cv_func_closedir_void = yes; then
AC_DEFINE(CLOSEDIR_VOID, 1,
[Define if the `closedir' function returns void instead of `int'.])
@@ -1076,6 +1122,8 @@ if test $ac_cv_func_fnmatch_works = yes; then
fi
])
+dnl AC_FUNC_MMAP
+dnl ------------
AC_DEFUN(AC_FUNC_MMAP,
[AC_CHECK_HEADERS(unistd.h)
AC_CHECK_FUNCS(getpagesize)
@@ -1222,8 +1270,11 @@ if test $ac_cv_func_mmap_fixed_mapped = yes; then
AC_DEFINE(HAVE_MMAP, 1,
[Define if you have a working `mmap' system call.])
fi
-])
+])dnl AC_FUNC_MMAP
+
+dnl AC_FUNC_GETPGRP
+dnl ---------------
AC_DEFUN(AC_FUNC_GETPGRP,
[AC_CACHE_CHECK(whether getpgrp takes no argument, ac_cv_func_getpgrp_void,
[AC_TRY_RUN([
@@ -1284,7 +1335,7 @@ if test $ac_cv_func_getpgrp_void = yes; then
AC_DEFINE(GETPGRP_VOID, 1,
[Define if the `getpgrp' function takes no argument.])
fi
-])
+])dnl AC_FUNC_GETPGRP
AC_DEFUN(AC_FUNC_SETPGRP,
[AC_CACHE_CHECK(whether setpgrp takes no argument, ac_cv_func_setpgrp_void,
@@ -1316,7 +1367,7 @@ fi
dnl Why the heck is that _doprnt does not define HAVE__DOPRNT???
dnl That the logical name! In addition, why doesn't it use
dnl AC_CHECK_FUNCS(vprintf)? Because old Autoconf uses sh for loops.
-dnl FIXME: To be changed in Autoconf 3.
+dnl FIXME: To be changed in Autoconf 3?
AC_DEFUN(AC_FUNC_VPRINTF,
[AC_CHECK_FUNC(vprintf,
AC_DEFINE(HAVE_VPRINTF, 1,
@@ -1533,8 +1584,10 @@ if test $ac_cv_os_cray = yes; then
for ac_func in _getb67 GETB67 getb67; do
AC_CHECK_FUNC($ac_func,
[AC_DEFINE_UNQUOTED(CRAY_STACKSEG_END, $ac_func,
- [Define to one of _getb67, GETB67, getb67 for Cray-2 and Cray-YMP systems.
- This function is required for alloca.c support on those systems.])
+ [Define to one of _getb67, GETB67, getb67
+ for Cray-2 and Cray-YMP systems.
+ This function is required for alloca.c
+ support on those systems.])
break])
done
fi
@@ -1968,11 +2021,11 @@ extern select ($ac_cv_func_select_arg1,$ac_cv_func_select_arg234,$ac_cv_func_sel
ac_cv_func_select_arg5='struct timeval *'
fi
AC_MSG_RESULT([$ac_cv_func_select_arg1,$ac_cv_func_select_arg234,$ac_cv_func_select_arg5])
- AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG1,$ac_cv_func_select_arg1,
+ AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG1, $ac_cv_func_select_arg1,
[Define to the type of arg1 for `select'.])
- AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG234,($ac_cv_func_select_arg234),
+ AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG234, ($ac_cv_func_select_arg234),
[Define to the type of args 2, 3 and 4 for `select'.])
- AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG5,($ac_cv_func_select_arg5),
+ AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG5, ($ac_cv_func_select_arg5),
[Define to the type of arg5 for `select'.])
])
diff --git a/lib/autoconf/specific.m4 b/lib/autoconf/specific.m4
index 2f2f79f5..bd623c0c 100644
--- a/lib/autoconf/specific.m4
+++ b/lib/autoconf/specific.m4
@@ -175,7 +175,8 @@ dnl
dnl AC_PROG_F77()
AC_DEFUN(AC_PROG_F77,
[AC_BEFORE([$0], [AC_PROG_CPP])dnl
-AC_CHECK_PROGS(F77, ifelse([$1], , [g77 f77 xlf cf77 fl32 fort77 f90 xlf90 f2c], [$1]))
+AC_CHECK_PROGS(F77,
+ m4_default([$1], [g77 f77 xlf cf77 fl32 fort77 f90 xlf90 f2c]))
AC_PROG_F77_WORKS
AC_PROG_F77_GNU
@@ -202,11 +203,14 @@ else
fi
])
+dnl AC_PROG_CC_WORKS
+dnl ----------------
AC_DEFUN(AC_PROG_CC_WORKS,
[AC_MSG_CHECKING([whether the C compiler ($CC $CFLAGS $CPPFLAGS $LDFLAGS) works])
AC_LANG_SAVE
AC_LANG_C
-AC_TRY_COMPILER([main(){return(0);}], ac_cv_prog_cc_works, ac_cv_prog_cc_cross)
+AC_TRY_COMPILER([int main(){return(0);}],
+ ac_cv_prog_cc_works, ac_cv_prog_cc_cross)
AC_LANG_RESTORE
AC_MSG_RESULT($ac_cv_prog_cc_works)
if test $ac_cv_prog_cc_works = no; then
@@ -217,11 +221,14 @@ AC_MSG_RESULT($ac_cv_prog_cc_cross)
cross_compiling=$ac_cv_prog_cc_cross
])
+dnl AC_PROG_CXX_WORKS
+dnl -----------------
AC_DEFUN(AC_PROG_CXX_WORKS,
[AC_MSG_CHECKING([whether the C++ compiler ($CXX $CXXFLAGS $CPPFLAGS $LDFLAGS) works])
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
-AC_TRY_COMPILER([int main(){return(0);}], ac_cv_prog_cxx_works, ac_cv_prog_cxx_cross)
+AC_TRY_COMPILER([int main(){return(0);}],
+ ac_cv_prog_cxx_works, ac_cv_prog_cxx_cross)
AC_LANG_RESTORE
AC_MSG_RESULT($ac_cv_prog_cxx_works)
if test $ac_cv_prog_cxx_works = no; then
@@ -232,12 +239,12 @@ AC_MSG_RESULT($ac_cv_prog_cxx_cross)
cross_compiling=$ac_cv_prog_cxx_cross
])
+dnl AC_PROG_F77_WORKS
+dnl -----------------
dnl Test whether the Fortran 77 compiler can compile and link a trivial
dnl Fortran program. Also, test whether the Fortran 77 compiler is a
dnl cross-compiler (which may realistically be the case if the Fortran
dnl compiler is `g77').
-dnl
-dnl AC_PROG_F77_WORKS()
AC_DEFUN(AC_PROG_F77_WORKS,
[AC_MSG_CHECKING([whether the Fortran 77 compiler ($F77 $FFLAGS $LDFLAGS) works])
AC_LANG_SAVE
@@ -256,6 +263,8 @@ AC_MSG_RESULT($ac_cv_prog_f77_cross)
cross_compiling=$ac_cv_prog_f77_cross
])
+dnl AC_PROG_CC_GNU
+dnl --------------
AC_DEFUN(AC_PROG_CC_GNU,
[AC_CACHE_CHECK(whether we are using GNU C, ac_cv_prog_gcc,
[dnl The semicolon is to pacify NeXT's syntax-checking cpp.
@@ -270,6 +279,8 @@ else
ac_cv_prog_gcc=no
fi])])
+dnl AC_PROG_CXX_GNU
+dnl ---------------
AC_DEFUN(AC_PROG_CXX_GNU,
[AC_CACHE_CHECK(whether we are using GNU C++, ac_cv_prog_gxx,
[dnl The semicolon is to pacify NeXT's syntax-checking cpp.
@@ -284,11 +295,11 @@ else
ac_cv_prog_gxx=no
fi])])
+dnl AC_PROG_F77_GNU
+dnl ---------------
dnl Test whether for Fortran 77 compiler is `g77' (the GNU Fortran 77
dnl Compiler). This test depends on whether the Fortran 77 compiler can
dnl do CPP pre-processing.
-dnl
-dnl AC_PROG_F77_GNU()
AC_DEFUN(AC_PROG_F77_GNU,
[AC_CACHE_CHECK(whether we are using GNU Fortran 77, ac_cv_prog_g77,
[cat > conftest.fpp <<EOF
@@ -302,6 +313,9 @@ else
ac_cv_prog_g77=no
fi])])
+
+dnl AC_PROG_CC_G
+dnl ------------
AC_DEFUN(AC_PROG_CC_G,
[AC_CACHE_CHECK(whether ${CC-cc} accepts -g, ac_cv_prog_cc_g,
[echo 'void f(){}' > conftest.c
@@ -313,6 +327,9 @@ fi
rm -f conftest*
])])
+
+dnl AC_PROG_CXX_G
+dnl -------------
AC_DEFUN(AC_PROG_CXX_G,
[AC_CACHE_CHECK(whether ${CXX-g++} accepts -g, ac_cv_prog_cxx_g,
[echo 'void f(){}' > conftest.cc
@@ -324,10 +341,11 @@ fi
rm -f conftest*
])])
+
+dnl AC_PROG_F77_G
+dnl -------------
dnl Test whether the Fortran 77 compiler can accept the `-g' option to
dnl enable debugging.
-dnl
-dnl AC_PROG_F77_G()
AC_DEFUN(AC_PROG_F77_G,
[AC_CACHE_CHECK(whether $F77 accepts -g, ac_cv_prog_f77_g,
[cat > conftest.f << EOF
@@ -364,6 +382,8 @@ Autoconf TCGETA],
fi
])
+dnl AC_PROG_CC_C_O
+dnl --------------
AC_DEFUN(AC_PROG_CC_C_O,
[if test "x$CC" != xcc; then
AC_MSG_CHECKING(whether $CC and cc understand -c and -o together)
@@ -411,7 +431,8 @@ else
AC_DEFINE(NO_MINUS_C_MINUS_O, 1,
[Define if your C compiler doesn't accept -c and -o together.])
fi
-])
+])dnl AC_PROG_CC_C_O
+
dnl Test if the Fortran 77 compiler accepts the options `-c' and `-o'
dnl simultaneously, and define `F77_NO_MINUS_C_MINUS_O' if it does not.
@@ -453,6 +474,8 @@ else
fi
])
+dnl AC_PROG_MAKE_SET
+dnl ----------------
dnl Define SET_MAKE to set ${MAKE} if make doesn't.
AC_DEFUN(AC_PROG_MAKE_SET,
[AC_MSG_CHECKING(whether ${MAKE-make} sets \${MAKE})
@@ -489,12 +512,14 @@ dnl Check for mawk first since it's generally faster.
AC_DEFUN(AC_PROG_AWK,
[AC_CHECK_PROGS(AWK, mawk gawk nawk awk, )])
+
dnl AC_PROG_SED
dnl -----------
dnl Check whether the first sed in the path supports long scripts.
dnl Set the variable $ac_cv_prog_sed_max_cmd to the maximum number
dnl of commands to put in a sed script, `infinite' meaning a priori
dnl infinite.
+dnl This macro is not documented on purpose.
AC_DEFUN([AC_PROG_SED],
[AC_CACHE_CHECK([for max sed script length], ac_cv_prog_sed_max_cmd,
[echo >conftest.s "\
@@ -542,9 +567,13 @@ fi
])dnl
])dnl AC_PROG_BINSH
+
+dnl AC_PROG_YACC
+dnl ------------
AC_DEFUN(AC_PROG_YACC,
[AC_CHECK_PROGS(YACC, 'bison -y' byacc, yacc)])
+
dnl AC_PROG_CPP
dnl -----------
AC_DEFUN(AC_PROG_CPP,
@@ -577,8 +606,11 @@ else
fi
AC_MSG_RESULT($CPP)
AC_SUBST(CPP)dnl
-])
+])dnl AC_PROG_CPP
+
+dnl AC_PROG_CXXCPP
+dnl --------------
AC_DEFUN(AC_PROG_CXXCPP,
[AC_MSG_CHECKING(how to run the C++ preprocessor)
if test -z "$CXXCPP"; then
@@ -599,8 +631,12 @@ AC_SUBST(CXXCPP)dnl
dnl Require finding the C or C++ preprocessor, whichever is the
dnl current language.
AC_DEFUN(AC_REQUIRE_CPP,
-[ifelse(AC_LANG, C, [AC_REQUIRE([AC_PROG_CPP])], [AC_REQUIRE([AC_PROG_CXXCPP])])])
+[ifelse(AC_LANG,
+ C, [AC_REQUIRE([AC_PROG_CPP])],
+ [AC_REQUIRE([AC_PROG_CXXCPP])])])
+dnl AC_PROG_LEX
+dnl -----------
AC_DEFUN(AC_PROG_LEX,
[AC_CHECK_PROG(LEX, flex, flex, lex)
if test -z "$LEXLIB"
@@ -613,7 +649,10 @@ then
fi
AC_SUBST(LEXLIB)])
+dnl AC_DECL_YYTEXT
+dnl --------------
dnl Check if lex declares yytext as a char * by default, not a char[].
+dnl FIXME: Why the heck is there the following line?
undefine([AC_DECL_YYTEXT])
AC_DEFUN(AC_DECL_YYTEXT,
[AC_REQUIRE_CPP()dnl
@@ -793,18 +832,6 @@ if test $ac_cv_header_stdc = yes; then
fi
])
-AC_DEFUN(AC_UNISTD_H,
-[AC_HASBEEN([$0], [; instead use AC_CHECK_HEADERS(unistd.h)])])dnl
-
-AC_DEFUN(AC_USG,
-[AC_HASBEEN([$0],
- [; instead use AC_CHECK_HEADERS(string.h) and HAVE_STRING_H])])
-
-dnl If memchr and the like aren't declared in <string.h>, include <memory.h>.
-dnl To avoid problems, don't check for gcc2 built-ins.
-AC_DEFUN(AC_MEMORY_H,
-[AC_HASBEEN([$0], [; instead use AC_CHECK_HEADERS(memory.h) and HAVE_MEMORY_H])])
-
AC_DEFUN(AC_HEADER_MAJOR,
[AC_CACHE_CHECK(whether sys/types.h defines makedev,
ac_cv_header_sys_types_h_makedev,
@@ -874,9 +901,6 @@ fi
])
-AC_DEFUN(AC_DIR_HEADER,
-[AC_HASBEEN([$0], [; instead use AC_HEADER_DIRENT])])
-
AC_DEFUN(AC_HEADER_STAT,
[AC_CACHE_CHECK(whether stat file-mode macros are broken,
ac_cv_header_stat_broken,
@@ -953,6 +977,24 @@ if test $ac_cv_header_sys_wait_h = yes; then
fi
])
+dnl A few hasbeen'd macros.
+
+AC_DEFUN(AC_UNISTD_H,
+[AC_HASBEEN([$0], [; instead use AC_CHECK_HEADERS(unistd.h)])])
+
+AC_DEFUN(AC_USG,
+[AC_HASBEEN([$0],
+ [; instead use AC_CHECK_HEADERS(string.h) and HAVE_STRING_H])])
+
+dnl If memchr and the like aren't declared in <string.h>, include <memory.h>.
+dnl To avoid problems, don't check for gcc2 built-ins.
+AC_DEFUN(AC_MEMORY_H,
+[AC_HASBEEN([$0],
+ [; instead use AC_CHECK_HEADERS(memory.h) and HAVE_MEMORY_H])])
+
+AC_DEFUN(AC_DIR_HEADER,
+[AC_HASBEEN([$0], [; instead use AC_HEADER_DIRENT])])
+
dnl ### Checks for typedefs
@@ -1021,6 +1063,8 @@ AC_DEFUN(AC_TYPE_OFF_T,
AC_DEFUN(AC_TYPE_MODE_T,
[AC_CHECK_TYPE(mode_t, int)])
+dnl AC_TYPE_SIGNAL
+dnl --------------
dnl Note that identifiers starting with SIG are reserved by ANSI C.
AC_DEFUN(AC_TYPE_SIGNAL,
[AC_CACHE_CHECK([return type of signal handlers], ac_cv_type_signal,
@@ -1055,7 +1099,9 @@ AC_CACHE_CHECK(whether closedir returns void, ac_cv_func_closedir_void,
[AC_TRY_RUN([#include <sys/types.h>
#include <$ac_header_dirent>
int closedir(); main() { exit(closedir(opendir(".")) != 0); }],
- ac_cv_func_closedir_void=no, ac_cv_func_closedir_void=yes, ac_cv_func_closedir_void=yes)])
+ ac_cv_func_closedir_void=no,
+ ac_cv_func_closedir_void=yes,
+ ac_cv_func_closedir_void=yes)])
if test $ac_cv_func_closedir_void = yes; then
AC_DEFINE(CLOSEDIR_VOID, 1,
[Define if the `closedir' function returns void instead of `int'.])
@@ -1076,6 +1122,8 @@ if test $ac_cv_func_fnmatch_works = yes; then
fi
])
+dnl AC_FUNC_MMAP
+dnl ------------
AC_DEFUN(AC_FUNC_MMAP,
[AC_CHECK_HEADERS(unistd.h)
AC_CHECK_FUNCS(getpagesize)
@@ -1222,8 +1270,11 @@ if test $ac_cv_func_mmap_fixed_mapped = yes; then
AC_DEFINE(HAVE_MMAP, 1,
[Define if you have a working `mmap' system call.])
fi
-])
+])dnl AC_FUNC_MMAP
+
+dnl AC_FUNC_GETPGRP
+dnl ---------------
AC_DEFUN(AC_FUNC_GETPGRP,
[AC_CACHE_CHECK(whether getpgrp takes no argument, ac_cv_func_getpgrp_void,
[AC_TRY_RUN([
@@ -1284,7 +1335,7 @@ if test $ac_cv_func_getpgrp_void = yes; then
AC_DEFINE(GETPGRP_VOID, 1,
[Define if the `getpgrp' function takes no argument.])
fi
-])
+])dnl AC_FUNC_GETPGRP
AC_DEFUN(AC_FUNC_SETPGRP,
[AC_CACHE_CHECK(whether setpgrp takes no argument, ac_cv_func_setpgrp_void,
@@ -1316,7 +1367,7 @@ fi
dnl Why the heck is that _doprnt does not define HAVE__DOPRNT???
dnl That the logical name! In addition, why doesn't it use
dnl AC_CHECK_FUNCS(vprintf)? Because old Autoconf uses sh for loops.
-dnl FIXME: To be changed in Autoconf 3.
+dnl FIXME: To be changed in Autoconf 3?
AC_DEFUN(AC_FUNC_VPRINTF,
[AC_CHECK_FUNC(vprintf,
AC_DEFINE(HAVE_VPRINTF, 1,
@@ -1533,8 +1584,10 @@ if test $ac_cv_os_cray = yes; then
for ac_func in _getb67 GETB67 getb67; do
AC_CHECK_FUNC($ac_func,
[AC_DEFINE_UNQUOTED(CRAY_STACKSEG_END, $ac_func,
- [Define to one of _getb67, GETB67, getb67 for Cray-2 and Cray-YMP systems.
- This function is required for alloca.c support on those systems.])
+ [Define to one of _getb67, GETB67, getb67
+ for Cray-2 and Cray-YMP systems.
+ This function is required for alloca.c
+ support on those systems.])
break])
done
fi
@@ -1968,11 +2021,11 @@ extern select ($ac_cv_func_select_arg1,$ac_cv_func_select_arg234,$ac_cv_func_sel
ac_cv_func_select_arg5='struct timeval *'
fi
AC_MSG_RESULT([$ac_cv_func_select_arg1,$ac_cv_func_select_arg234,$ac_cv_func_select_arg5])
- AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG1,$ac_cv_func_select_arg1,
+ AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG1, $ac_cv_func_select_arg1,
[Define to the type of arg1 for `select'.])
- AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG234,($ac_cv_func_select_arg234),
+ AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG234, ($ac_cv_func_select_arg234),
[Define to the type of args 2, 3 and 4 for `select'.])
- AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG5,($ac_cv_func_select_arg5),
+ AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG5, ($ac_cv_func_select_arg5),
[Define to the type of arg5 for `select'.])
])