diff options
Diffstat (limited to 'aclocal.m4')
| -rw-r--r-- | aclocal.m4 | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/aclocal.m4 b/aclocal.m4 index 672341b58..71718a9dd 100644 --- a/aclocal.m4 +++ b/aclocal.m4 @@ -27,9 +27,12 @@ ac_save_CFLAGS="$CFLAGS" # breaks some systems' header files. # AIX -qlanglvl=ansi # Ultrix and OSF/1 -std1 -# HP-UX -Aa -D_HPUX_SOURCE +# HP-UX -Ae or -Aa -D_HPUX_SOURCE # SVR4 -Xc -for ac_arg in "" -qlanglvl=ansi -std1 "-Aa -D_HPUX_SOURCE" -Xc +# For HP-UX, we try -Ae first; this turns on ANSI but also extensions, +# as well as defining _HPUX_SOURCE, and we can then use long long. +# We keep the old version for backward compatibility. +for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" -Xc do CFLAGS="$ac_save_CFLAGS $ac_arg" AC_TRY_COMPILE( |