diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 140 |
1 files changed, 62 insertions, 78 deletions
@@ -110,6 +110,13 @@ for arg in "$0" ${@+"$@"} ; do done # +# Use the POSIX locale to suppress monkey business in the utilities +# + +export LC_ALL="C" +export LANG="C" + +# # Establish default values for any variables that are not specified # on the command line. The default derivations from prefix are in # Make syntax. They go verbatim into the generated config.make. @@ -934,15 +941,6 @@ conftest_o() } # -# Like conftest but make conftest.syms -# -conftest_syms() -{ - rm -f conftest.o conftest.syms - $make conftest.syms ${@+"$@"} > conftest.err 2>&1 -} - -# # Check for git because we use it out of the Makefile # But this is pointless if we have no git repo. # "have_git" means we have a repo, and git. @@ -1323,67 +1321,49 @@ fi printf "Checking what C integer type can hold a pointer ... " -read_syms() -{ - print_into_config=${1-} - deferred_offset= - - while read symbol type offset size ; do - size=$(( 0$size + 0 )) - offset=$(( 0$offset + 0 )) - symbol=${symbol#_} - case "$type" in - C ) - size=$(( offset + 0 )) - ;; - S ) - if [ -n "$deferred_offset" ] ; then - size=$(( offset - deferred_offset )) - case "$deferred_sym" in - SIZEOF* ) - eval $(printf "%s=%d\n" "$deferred_sym" "$size") - if [ -n "$print_into_config" ] ; then - printf "#define %s %s\n" "$deferred_sym" "$size" >> config.h - fi - ;; - esac - fi - deferred_sym=$symbol - deferred_offset=$offset - continue - ;; - esac - case "$symbol" in - SIZEOF* ) - eval $(printf "%s=%d\n" "$symbol" "$size") - if [ -n "$print_into_config" ] ; then - printf "#define %s %s\n" "$symbol" "$size" >> config.h - fi - ;; - esac - done < conftest.syms -} - if [ -z "$intptr" ] ; then cat > conftest.c <<! #include <stddef.h> #include <limits.h> #include "config.h" -char SIZEOF_BYTE[CHAR_BIT]; + +#define D(N, Z) ((N) ? (N) + '0' : Z) +#define UD(S) D((S) / 10, ' ') +#define LD(S) D((S) % 10, '0') +#define DEC(S) { UD(S), LD(S) } + +struct { + char h_BYTE[32], s_BYTE[2]; #if HAVE_SUPERLONG_T -char SIZEOF_SUPERLONG_T[sizeof (superlong_t)]; + char h_SUPERLONG[32], s_SUPERLONG[2]; #endif #if HAVE_LONGLONG_T -char SIZEOF_LONGLONG_T[sizeof (longlong_t)]; + char h_LONGLONG[32], s_LONGLONG[2]; +#endif + char h_PTR[32], s_PTR[2]; + char h_LONG[32], s_LONG[2]; + char h_INT[32], s_INT[2]; + char h_SHORT[32], s_SHORT[2]; + char h_WCHAR[32], s_WCHAR[2]; + char nl[1]; +} foo = { + "\nSIZEOF_BYTE=", DEC(CHAR_BIT), +#if HAVE_SUPERLONG_T + "\nSIZEOF_SUPERLONG_T=", DEC(sizeof (superlong_t)), #endif -char SIZEOF_PTR[sizeof (char *)]; -char SIZEOF_LONG[sizeof (long)]; -char SIZEOF_INT[sizeof (int)]; -char SIZEOF_SHORT[sizeof (short)]; -char SIZEOF_WCHAR_T[sizeof (wchar_t)]; -char DUMMY; -! - if ! conftest_syms ; then +#if HAVE_LONGLONG_T + "\nSIZEOF_LONGLONG_T=", DEC(sizeof (longlong_t)), +#endif + "\nSIZEOF_PTR=", DEC(sizeof (char *)), + "\nSIZEOF_LONG=", DEC(sizeof (long)), + "\nSIZEOF_INT=", DEC(sizeof (int)), + "\nSIZEOF_SHORT=", DEC(sizeof (short)), + "\nSIZEOF_WCHAR_T=", DEC(sizeof (wchar_t)), + "\n" +}; +! + + if ! conftest_o ; then printf "failed\n\n" printf "Errors from compilation: \n\n" @@ -1391,15 +1371,9 @@ char DUMMY; exit 1 fi - SIZEOF_BYTE=0 - SIZEOF_PTR=0 - SIZEOF_SHORT=0 - SIZEOF_INT=0 - SIZEOF_LONG=0 - SIZEOF_LONGLONG_T=0 - SIZEOF_SUPERLONG_T=0 + eval $(tr '\0' ' ' < conftest.o | grep SIZEOF | sed -e 's/ *//') - read_syms y + tr '\0' ' ' < conftest.o | grep SIZEOF | sed -e 's/= */ /' -e 's/^/#define /' >> config.h if [ $SIZEOF_PTR -eq 0 -o $SIZEOF_BYTE -eq 0 ] ; then printf "failed\n" @@ -1448,8 +1422,6 @@ then printf "typedef superulong_t double_uintptr_t;\n" >> config.h fi -#if HAVE_LONGLONG_T && - # # Alignment of wchar_t # @@ -3302,11 +3274,24 @@ for try in NOTHING _LARGE_FILES=1 _FILE_OFFSET_BITS=64 ; do cat > conftest.c <<! #include <limits.h> #include <sys/types.h> -char SIZEOF_BYTE[CHAR_BIT]; -char SIZEOF_OFF_T[sizeof (off_t)]; -char DUMMY; + +#define D(N, Z) ((N) ? (N) + '0' : Z) +#define UD(S) D((S) / 10, ' ') +#define LD(S) D((S) % 10, '0') +#define DEC(S) { UD(S), LD(S) } + +struct { + char h_BYTE[32], s_BYTE[2]; + char h_OFF_T[32], s_OFF_T[2]; + char nl[1]; +} foo = { + "\nSIZEOF_BYTE=", DEC(CHAR_BIT), + "\nSIZEOF_OFF_T=", DEC(sizeof (off_t)), + "\n" +}; + ! - if ! conftest_syms VERBOSE=y EXTRA_FLAGS=-D$try ; then + if ! conftest_o ; then printf "failed\n\n" printf "Errors from compilation: \n\n" @@ -3314,10 +3299,9 @@ char DUMMY; exit 1 fi - SIZEOF_BYTE=0 - SIZEOF_OFF_T=0 + eval $(tr '\0' ' ' < conftest.o | grep SIZEOF | sed -e 's/ *//') - read_syms + tr '\0' ' ' < conftest.o | grep SIZEOF | sed -e 's/= */ /' -e 's/^/#define /' >> config.h if [ $SIZEOF_OFF_T -eq 0 -o $SIZEOF_BYTE -eq 0 ] ; then printf "failed\n" |