diff options
author | Peter Breitenlohner <peb@mppmu.mpg.de> | 2012-07-26 06:24:56 +0000 |
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committer | Peter Breitenlohner <peb@mppmu.mpg.de> | 2012-07-26 06:24:56 +0000 |
commit | 1a55946e547696aaae9dc3883f18e8b1bd4d72ba (patch) | |
tree | c4886a4dd4d364ddc257544af752342d3bba8ef1 /Build/source/texk/chktex/configure | |
parent | 4e1df4e68b351cfe5bdb7c0d6c227c06948af686 (diff) |
build system: Check for 64-bit integer types and bail out if unsupported
git-svn-id: svn://tug.org/texlive/trunk@27164 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/chktex/configure')
-rwxr-xr-x | Build/source/texk/chktex/configure | 164 |
1 files changed, 162 insertions, 2 deletions
diff --git a/Build/source/texk/chktex/configure b/Build/source/texk/chktex/configure index 9fb9668c0a4..21807be0fb4 100755 --- a/Build/source/texk/chktex/configure +++ b/Build/source/texk/chktex/configure @@ -1936,6 +1936,136 @@ $as_echo "$ac_res" >&6; } } # ac_fn_c_check_type +# ac_fn_c_find_intX_t LINENO BITS VAR +# ----------------------------------- +# Finds a signed integer type with width BITS, setting cache variable VAR +# accordingly. +ac_fn_c_find_intX_t () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for int$2_t" >&5 +$as_echo_n "checking for int$2_t... " >&6; } +if eval \${$3+:} false; then : + $as_echo_n "(cached) " >&6 +else + eval "$3=no" + # Order is important - never check a type that is potentially smaller + # than half of the expected target width. + for ac_type in int$2_t 'int' 'long int' \ + 'long long int' 'short int' 'signed char'; do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$ac_includes_default + enum { N = $2 / 2 - 1 }; +int +main () +{ +static int test_array [1 - 2 * !(0 < ($ac_type) ((((($ac_type) 1 << N) << N) - 1) * 2 + 1))]; +test_array [0] = 0; +return test_array [0]; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$ac_includes_default + enum { N = $2 / 2 - 1 }; +int +main () +{ +static int test_array [1 - 2 * !(($ac_type) ((((($ac_type) 1 << N) << N) - 1) * 2 + 1) + < ($ac_type) ((((($ac_type) 1 << N) << N) - 1) * 2 + 2))]; +test_array [0] = 0; +return test_array [0]; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + +else + case $ac_type in #( + int$2_t) : + eval "$3=yes" ;; #( + *) : + eval "$3=\$ac_type" ;; +esac +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + if eval test \"x\$"$3"\" = x"no"; then : + +else + break +fi + done +fi +eval ac_res=\$$3 + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + +} # ac_fn_c_find_intX_t + +# ac_fn_c_find_uintX_t LINENO BITS VAR +# ------------------------------------ +# Finds an unsigned integer type with width BITS, setting cache variable VAR +# accordingly. +ac_fn_c_find_uintX_t () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for uint$2_t" >&5 +$as_echo_n "checking for uint$2_t... " >&6; } +if eval \${$3+:} false; then : + $as_echo_n "(cached) " >&6 +else + eval "$3=no" + # Order is important - never check a type that is potentially smaller + # than half of the expected target width. + for ac_type in uint$2_t 'unsigned int' 'unsigned long int' \ + 'unsigned long long int' 'unsigned short int' 'unsigned char'; do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$ac_includes_default +int +main () +{ +static int test_array [1 - 2 * !((($ac_type) -1 >> ($2 / 2 - 1)) >> ($2 / 2 - 1) == 3)]; +test_array [0] = 0; +return test_array [0]; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + case $ac_type in #( + uint$2_t) : + eval "$3=yes" ;; #( + *) : + eval "$3=\$ac_type" ;; +esac +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + if eval test \"x\$"$3"\" = x"no"; then : + +else + break +fi + done +fi +eval ac_res=\$$3 + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + +} # ac_fn_c_find_uintX_t + # ac_fn_c_check_member LINENO AGGR MEMBER VAR INCLUDES # ---------------------------------------------------- # Tries to find if the field MEMBER exists in type AGGR, after including @@ -12344,8 +12474,7 @@ $as_echo "#define CLOSEDIR_VOID 1" >>confdefs.h fi -for ac_header in assert.h float.h limits.h memory.h pwd.h stdlib.h \ - string.h strings.h sys/param.h unistd.h +for ac_header in assert.h float.h limits.h pwd.h stdlib.h sys/param.h do : as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" @@ -12516,6 +12645,37 @@ _ACEOF fi +ac_fn_c_find_intX_t "$LINENO" "64" "ac_cv_c_int64_t" +case $ac_cv_c_int64_t in #( + no|yes) ;; #( + *) + +cat >>confdefs.h <<_ACEOF +#define int64_t $ac_cv_c_int64_t +_ACEOF +;; +esac + +ac_fn_c_find_uintX_t "$LINENO" "64" "ac_cv_c_uint64_t" +case $ac_cv_c_uint64_t in #( + no|yes) ;; #( + *) + +$as_echo "#define _UINT64_T 1" >>confdefs.h + + +cat >>confdefs.h <<_ACEOF +#define uint64_t $ac_cv_c_uint64_t +_ACEOF +;; + esac + +case :$ac_cv_c_int64_t:$ac_cv_c_int64_t: in #( + *':no:'*) : + as_fn_error $? "Sorry, your compiler does not support 64-bit integer types." "$LINENO" 5 ;; #( + *) : + ;; +esac ac_fn_c_check_member "$LINENO" "struct stat" "st_mtim" "ac_cv_member_struct_stat_st_mtim" "$ac_includes_default" if test "x$ac_cv_member_struct_stat_st_mtim" = xyes; then : |