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|
AC_CANONICAL_HOST
os_win32=no
os_linux=no
os_freebsd=no
os_gnu=no
case "$host_os" in
mingw*)
os_win32=yes
;;
freebsd*)
os_freebsd=yes
;;
linux*)
os_linux=yes
os_gnu=yes
;;
darwin*)
os_darwin=yes
;;
gnu*|k*bsd*-gnu*)
os_gnu=yes
;;
esac
AC_PATH_PROG(PERL, perl)
if test -z "$PERL"; then
AC_MSG_ERROR([You need 'perl' to compile WebKit])
fi
AC_PATH_PROG(PYTHON, python)
if test -z "$PYTHON"; then
AC_MSG_ERROR([You need 'python' to compile WebKit])
fi
AC_PATH_PROG(RUBY, ruby)
if test -z "$RUBY"; then
AC_MSG_ERROR([You need 'ruby' to compile WebKit])
fi
AC_PATH_PROG(BISON, bison)
if test -z "$BISON"; then
AC_MSG_ERROR([You need the 'bison' parser generator to compile WebKit])
fi
AC_PATH_PROG(MV, mv)
if test -z "$MV"; then
AC_MSG_ERROR([You need 'mv' to compile WebKit])
fi
AC_PATH_PROG(GREP, grep)
if test -z "$GREP"; then
AC_MSG_ERROR([You need 'grep' to compile WebKit])
fi
AC_PATH_PROG(GPERF, gperf)
if test -z "$GPERF"; then
AC_MSG_ERROR([You need the 'gperf' hash function generator to compile WebKit])
fi
AC_PATH_PROG(FLEX, flex)
if test -z "$FLEX"; then
AC_MSG_ERROR([You need the 'flex' lexer generator to compile WebKit])
else
FLEX_VERSION=`$FLEX --version | sed 's,.*\ \([0-9]*\.[0-9]*\.[0-9]*\)$,\1,'`
AX_COMPARE_VERSION([2.5.33],[gt],[$FLEX_VERSION],
AC_MSG_WARN([You need at least version 2.5.33 of the 'flex' lexer generator to compile WebKit correctly]))
fi
# If CFLAGS and CXXFLAGS are unset, default to empty.
# This is to tell automake not to include '-g' if C{XX,}FLAGS is not set.
# For more info - http://www.gnu.org/software/automake/manual/autoconf.html#C_002b_002b-Compiler
if test -z "$CXXFLAGS"; then
CXXFLAGS=""
fi
if test -z "$CFLAGS"; then
CFLAGS=""
fi
AC_PROG_CC
AC_PROG_CXX
AC_PROG_INSTALL
AC_SYS_LARGEFILE
# Check that an appropriate C compiler is available.
c_compiler="unknown"
AC_LANG_PUSH([C])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
#if !(defined(__GNUC__) && !defined(__clang__) && !defined(__INTEL_COMPILER) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 7)))
#error Not a supported GCC compiler
#endif
])], [c_compiler="gcc"], [])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
#if !(defined(__clang__) && (__apple_build_version__ >= 4250024 || (!defined(__apple_build_version__) && (__clang_major__ > 3 || (__clang_major__ == 3 && __clang_minor__ >= 3)))))
#error Not a supported Clang compiler
#endif
])], [c_compiler="clang"], [])
AC_LANG_POP([C])
if test "$c_compiler" = "unknown"; then
AC_MSG_ERROR([Compiler GCC >= 4.7 or Clang >= 3.3 is required for C compilation])
fi
# Check that an appropriate C++ compiler is available.
cxx_compiler="unknown"
AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
#if !(defined(__GNUG__) && defined(__GNUC__) && !defined(__clang__) && !defined(__INTEL_COMPILER) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 7)))
#error Not a supported G++ compiler
#endif
])], [cxx_compiler="g++"], [])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
#if !(defined(__clang__) && (__apple_build_version__ >= 4250024 || (!defined(__apple_build_version__) && (__clang_major__ > 3 || (__clang_major__ == 3 && __clang_minor__ >= 3)))))
#error Not a supported Clang++ compiler
#endif
])], [cxx_compiler="clang++"], [])
AC_LANG_POP([C++])
if test "$cxx_compiler" = "unknown"; then
AC_MSG_ERROR([Compiler GCC >= 4.7 or Clang >= 3.3 is required for C++ compilation])
fi
# C/C++ Headers
AC_HEADER_STDBOOL
|
