From 1a55946e547696aaae9dc3883f18e8b1bd4d72ba Mon Sep 17 00:00:00 2001 From: Peter Breitenlohner Date: Thu, 26 Jul 2012 06:24:56 +0000 Subject: 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 --- Build/source/texk/chktex/config.h.in | 13 +++ Build/source/texk/chktex/configure | 164 ++++++++++++++++++++++++++++++++++- 2 files changed, 175 insertions(+), 2 deletions(-) (limited to 'Build/source/texk/chktex') diff --git a/Build/source/texk/chktex/config.h.in b/Build/source/texk/chktex/config.h.in index 78eec4a1aed..a4eb6d62a07 100644 --- a/Build/source/texk/chktex/config.h.in +++ b/Build/source/texk/chktex/config.h.in @@ -207,6 +207,11 @@ /* Define for large files, on AIX-style hosts. */ #undef _LARGE_FILES +/* Define for Solaris 2.5.1 so the uint64_t typedef from , + , or is not used. If the typedef were allowed, the + #define below would cause a syntax error. */ +#undef _UINT64_T + /* Define to empty if `const' does not conform to ANSI C. */ #undef const @@ -216,5 +221,13 @@ #undef inline #endif +/* Define to the type of a signed integer type of width exactly 64 bits if + such a type exists and the standard includes do not define it. */ +#undef int64_t + /* Define to `unsigned int' if does not define. */ #undef size_t + +/* Define to the type of an unsigned integer type of width exactly 64 bits if + such a type exists and the standard includes do not define it. */ +#undef uint64_t 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 : -- cgit v1.2.3