diff options
Diffstat (limited to 'kdecore/malloc/configure.in.in')
| -rw-r--r-- | kdecore/malloc/configure.in.in | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/kdecore/malloc/configure.in.in b/kdecore/malloc/configure.in.in new file mode 100644 index 000000000..d669f8daa --- /dev/null +++ b/kdecore/malloc/configure.in.in @@ -0,0 +1,134 @@ +dnl --enable-fast-malloc - depends on $KDE_MALLOC +dnl --disable-fast-malloc - disabled +dnl --enable-fast-malloc=full - enabled always +dnl +dnl gcc3.0 needs -finline-limit=100000 (large num) + +kde_fast_malloc= +AC_ARG_ENABLE(fast-malloc, + [ --enable-fast-malloc Use own malloc implementation : yes,no,full,debug], + [ + if test "$enableval" = "full"; then + kde_fast_malloc=full + elif test "$enableval" = "yes"; then + kde_fast_malloc=yes + elif test "$enableval" = "debug"; then + kde_fast_malloc=debug + else + kde_fast_malloc=no + fi + ], + [ + kde_fast_malloc=notgiven + ]) + +dnl gcc needed for __inline__ +if test "$kde_fast_malloc" != "no"; then + if test "$GCC" != "yes"; then + if test "$kde_fast_malloc" = "notgiven"; then + kde_fast_malloc=no + else + AC_MSG_ERROR([Fast malloc needs GCC.]) + kde_fast_malloc=no + fi + fi +fi + +if test "$kde_fast_malloc" != "no"; then +dnl platforms for which there's a spinlock implementation + case $target_cpu in + i?86) + AC_DEFINE(KDE_MALLOC_X86, 1, [The platform is x86]) + ;; + *) + if test "$kde_fast_malloc" = "notgiven"; then + kde_fast_malloc=no + else + AC_MSG_ERROR([Fast malloc is not supported on this platform (missing spinlock implementation).]) + fi + ;; + esac +dnl warn on untested platforms + case $target_os in + linux*) ;; + freebsd*) ;; + *) + if test "$kde_fast_malloc" = "notgiven"; then + kde_fast_malloc=no + else + AC_MSG_WARN([Fast malloc is not tested on this platform. The build may fail or the executables may crash.]) + fi + ;; + esac +fi + +if test "$kde_fast_malloc" = "yes" -o "$kde_fast_malloc" = "notgiven" -o "$kde_fast_malloc" = "debug"; then +dnl $KDE_MALLOC needs glibc (__libc_malloc etc.) + AC_CACHE_CHECK([if the libc is glibc],kde_cv_libc_glibc, + [AC_TRY_COMPILE( + [#include<stdlib.h>], + [ + #ifndef __GLIBC__ + error no glibc + #endif + ], + [kde_cv_libc_glibc=yes], + [kde_cv_libc_glibc=no]) + ]) + if test "$kde_cv_libc_glibc" = "yes"; then + AC_DEFINE(KDE_MALLOC_GLIBC, 1, [The libc used is glibc]) + else + if test "$kde_fast_malloc" = "notgiven"; then + kde_fast_malloc=notgiven_full + elif test "$enableval" = "debug"; then + AC_MSG_WARN([This libc is not supported for fast malloc. Runtime disabling won't work.]) + kde_fast_malloc=debug_full + else + AC_MSG_ERROR([This libc is not supported for fast malloc. Either use --enable-fast-malloc=full, or don't use it at all.]) + fi + fi +fi + +if test "$kde_fast_malloc" = "notgiven"; then + #kde_fast_malloc=yes + kde_fast_malloc=no +fi +if test "$kde_fast_malloc" = "notgiven_full"; then + if test "$kde_use_debug_code" = "no"; then + #kde_fast_malloc=full + kde_fast_malloc=no + else + kde_fast_malloc=no + fi +fi + +AC_MSG_CHECKING(whether to enable fast malloc) +if test "$kde_fast_malloc" = "yes"; then + AC_MSG_RESULT(yes) +elif test "$kde_fast_malloc" = "full"; then + AC_MSG_RESULT([yes(full)]) +elif test "$kde_fast_malloc" = "debug"; then + AC_MSG_RESULT([yes(debug)]) +elif test "$kde_fast_malloc" = "debug_full"; then + AC_MSG_RESULT([yes(full+debug)]) +else + AC_MSG_RESULT(no) +fi + +if test "$kde_fast_malloc" != "no"; then + AC_DEFINE(KDE_MALLOC, 1, [Use own malloc implementation]) +fi + +if test "$kde_fast_malloc" = "debug" -o "$kde_fast_malloc" = "debug_full"; then + AC_DEFINE(KDE_MALLOC_DEBUG, 1, [Enable debugging in fast malloc]) +fi + +if test "$kde_fast_malloc" = "full" -o "$kde_fast_malloc" = "debug_full"; then + AC_DEFINE(KDE_MALLOC_FULL, 1, [Make alloc as fast as possible]) +fi + +dnl -finline-limit=<large num> is needed for gcc3 in order to inline large functions +KDE_CHECK_COMPILER_FLAG(finline-limit=100000, + [KDE_FORCE_INLINE="-finline-limit=100000"], + [KDE_FORCE_INLINE= ]) +AC_SUBST(KDE_FORCE_INLINE) |