143 lines
3.4 KiB
Plaintext
143 lines
3.4 KiB
Plaintext
dnl This is the newlib/libc/machine/arm configure.in file.
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dnl Process this file with autoconf to produce a configure script.
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AC_PREREQ(2.59)
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AC_INIT([newlib],[NEWLIB_VERSION])
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AC_CONFIG_SRCDIR([Makefile.am])
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dnl Can't be done in NEWLIB_CONFIGURE because that confuses automake.
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AC_CONFIG_AUX_DIR(../../../..)
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NEWLIB_CONFIGURE(../../..)
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dnl Check for Thumb1 supported.
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AC_CACHE_CHECK(whether we are using thumb1,
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acnewlib_cv_thumb1_processor, [dnl
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cat > conftest.c <<EOF
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#if defined (__thumb__) && !defined (__thumb2__)
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#define _THUMB1
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#else
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#error "not thumb1"
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#endif
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int main () {
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return 0;
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}
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EOF
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if AC_TRY_COMMAND([${CC} $CFLAGS $CPPFLAGS -c -o conftest.o conftest.c
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1>&AS_MESSAGE_LOG_FD])
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then
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acnewlib_cv_thumb1_processor=yes;
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else
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acnewlib_cv_thumb1_processor=no;
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fi
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rm -f conftest*])
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AM_CONDITIONAL(HAVE_THUMB1, test x"$acnewlib_cv_thumb1_processor" = x"yes")
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dnl Check for whether the size is preferred.
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AC_CACHE_CHECK(whether the size is preferred,
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acnewlib_cv_opt_size, [dnl
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cat > conftest.c <<EOF
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#if defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)
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#define OPT_SIZE
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#else
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#error "not need for size optimization."
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#endif
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int main () {
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return 0;
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}
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EOF
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if AC_TRY_COMMAND([${CC} $CFLAGS $CPPFLAGS -c -o conftest.o conftest.c
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1>&AS_MESSAGE_LOG_FD])
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then
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acnewlib_cv_opt_size=yes;
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else
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acnewlib_cv_opt_size=no;
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fi
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rm -f conftest*])
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AM_CONDITIONAL(OPT_SIZE, test x"$acnewlib_cv_opt_size" = x"yes")
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dnl Check for whether ARM_7 or ARM_ARCH_6T2 is defined.
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dnl This macro is used to support memchr() for old CPU.
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AC_CACHE_CHECK(whether armv7 processor is supported,
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acnewlib_cv_armv7_processor, [dnl
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cat > conftest.c <<EOF
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#if defined (_ISA_ARM_7) || defined (__ARM_ARCH_6T2__)
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#define HAVE_ARMV7
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#else
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#error "ARMV7 is not supported."
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#endif
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int main () {
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return 0;
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}
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EOF
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if AC_TRY_COMMAND([${CC} $CFLAGS $CPPFLAGS -c -o conftest.o conftest.c
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1>&AS_MESSAGE_LOG_FD])
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then
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acnewlib_cv_armv7_processor=yes;
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else
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acnewlib_cv_armv7_processor=no;
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fi
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rm -f conftest*])
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AM_CONDITIONAL(HAVE_ARMV7, test x"$acnewlib_cv_armv7_processor" = x"yes")
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dnl Check for whether ARM_ARCH_7A is defined.
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AC_CACHE_CHECK(whether armv7a processor is supported,
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acnewlib_cv_armv7a_processor, [dnl
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cat > conftest.c <<EOF
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#if defined (__ARM_ARCH_7A__) && defined (__ARM_FEATURE_UNALIGNED)
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#define HAVE_ARMV7A
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#else
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#error "ARMV7A is not supported."
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#endif
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int main () {
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return 0;
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}
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EOF
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if AC_TRY_COMMAND([${CC} $CFLAGS $CPPFLAGS -c -o conftest.o conftest.c
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1>&AS_MESSAGE_LOG_FD])
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then
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acnewlib_cv_armv7a_processor=yes;
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else
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acnewlib_cv_armv7a_processor=no;
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fi
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rm -f conftest*])
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AM_CONDITIONAL(HAVE_ARMV7A, test x"$acnewlib_cv_armv7a_processor" = x"yes")
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dnl Check for whether ARM_ARCH_7M is defined.
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AC_CACHE_CHECK(whether armv7m processor is supported,
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acnewlib_cv_armv7m_processor, [dnl
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cat > conftest.c <<EOF
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#if defined (__ARM_ARCH_7M__) || defined (__ARM_ARCH_7EM__)
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#define HAVE_ARMV7M
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#else
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#error "ARMV7M is not supported."
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#endif
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int main () {
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return 0;
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}
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EOF
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if AC_TRY_COMMAND([${CC} $CFLAGS $CPPFLAGS -c -o conftest.o conftest.c
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1>&AS_MESSAGE_LOG_FD])
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then
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acnewlib_cv_armv7m_processor=yes;
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else
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acnewlib_cv_armv7m_processor=no;
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fi
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rm -f conftest*])
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AM_CONDITIONAL(HAVE_ARMV7M, test x"$acnewlib_cv_armv7m_processor" = x"yes")
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AC_SUBST(CFLAGS)
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AC_CONFIG_FILES([Makefile])
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AC_OUTPUT
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