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https://gitlab.rtems.org/rtems/rtos/rtems.git
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040e70a04f
* configure.ac: Remove "BLEEDING EDGE" warning. Put docs into RTEMS_BUILD_CONFIG_SUBDIRS. * acinclude.m4: Add AC_PREREQ(2.57). Major overhaul (PR 412). * aclocal/prog-cc.m4: Add RTEMS_GCC_ISYSTEM. * aclocal/gcc-isystem.m4: New. * Makefile.am: Add aclocal/gcc-isystem.m4.
49 lines
1.0 KiB
Plaintext
49 lines
1.0 KiB
Plaintext
dnl
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dnl $Id$
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dnl
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dnl Check for target gcc
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dnl
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AC_DEFUN(RTEMS_PROG_CC,
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[
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AC_BEFORE([$0], [AC_PROG_CPP])dnl
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AC_BEFORE([$0], [AC_PROG_CC])dnl
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AC_BEFORE([$0], [RTEMS_CANONICALIZE_TOOLS])dnl
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_RTEMS_FLAGS([CFLAGS],
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["\$(CPU_CFLAGS) \$(RTEMS_CFLAGS_\$(VARIANT_V)_V) \$(CFLAGS_\$(VARIANT_V)_V) -g"])
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RTEMS_CHECK_TOOL(CC,gcc)
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test -z "$CC" && \
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AC_MSG_ERROR([no acceptable cc found in \$PATH])
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AC_PROG_CC
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AC_PROG_CPP
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AM_CONDITIONAL(RTEMS_USE_GCC,test x"$GCC" = x"yes")
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])
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AC_DEFUN(RTEMS_PROG_CC_FOR_TARGET,
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[
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dnl check target cc
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RTEMS_PROG_CC
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dnl check if the compiler supports -isystem
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RTEMS_GCC_ISYSTEM
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dnl check if the target compiler may use --pipe
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RTEMS_GCC_PIPE
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test "$rtems_cv_gcc_pipe" = "yes" && CC="$CC --pipe"
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dnl check if the compiler supports --specs
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RTEMS_GCC_SPECS
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if test "$GCC" = yes; then
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RTEMS_CFLAGS="$RTEMS_CFLAGS -Wall"
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m4_if([$1],,[],[RTEMS_CFLAGS="$RTEMS_CFLAGS $1"])
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fi
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AS_IF([test x"$rtems_cv_gcc_isystem" = x"yes"],[
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RTEMS_CPPFLAGS="-isystem \$(PROJECT_INCLUDE)"],[
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RTEMS_CPPFLAGS="-I\$(PROJECT_INCLUDE)"
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])
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AC_SUBST(RTEMS_CPPFLAGS)
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])
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