mirror of
https://gitlab.freedesktop.org/mesa/drm.git
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100d6f3f83
We need a version to depend on from the other components that require GEM and the bufmgr code. Some interfaces will be removed before the 2.4.0 release.
111 lines
3.7 KiB
Text
111 lines
3.7 KiB
Text
# Copyright 2005 Adam Jackson.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the "Software"),
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# to deal in the Software without restriction, including without limitation
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# on the rights to use, copy, modify, merge, publish, distribute, sub
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# license, and/or sell copies of the Software, and to permit persons to whom
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# the Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice (including the next
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# paragraph) shall be included in all copies or substantial portions of the
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# Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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# ADAM JACKSON BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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AC_PREREQ(2.57)
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AC_INIT([libdrm], 2.4.0, [dri-devel@lists.sourceforge.net], libdrm)
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AC_CONFIG_SRCDIR([Makefile.am])
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AM_INIT_AUTOMAKE([dist-bzip2])
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AM_CONFIG_HEADER([libdrm/config.h])
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AC_DISABLE_STATIC
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AC_PROG_LIBTOOL
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AC_PROG_CC
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AC_HEADER_STDC
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AC_SYS_LARGEFILE
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pkgconfigdir=${libdir}/pkgconfig
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AC_SUBST(pkgconfigdir)
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dnl ===========================================================================
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dnl check compiler flags
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AC_DEFUN([LIBDRM_CC_TRY_FLAG], [
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AC_MSG_CHECKING([whether $CC supports $1])
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libdrm_save_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $1"
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AC_COMPILE_IFELSE([ ], [libdrm_cc_flag=yes], [libdrm_cc_flag=no])
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CFLAGS="$libdrm_save_CFLAGS"
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if test "x$libdrm_cc_flag" = "xyes"; then
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ifelse([$2], , :, [$2])
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else
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ifelse([$3], , :, [$3])
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fi
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AC_MSG_RESULT([$libdrm_cc_flag])
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])
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dnl Use lots of warning flags with with gcc and compatible compilers
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dnl Note: if you change the following variable, the cache is automatically
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dnl skipped and all flags rechecked. So there's no need to do anything
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dnl else. If for any reason you need to force a recheck, just change
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dnl MAYBE_WARN in an ignorable way (like adding whitespace)
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MAYBE_WARN="-Wall -Wextra \
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-Wsign-compare -Werror-implicit-function-declaration \
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-Wpointer-arith -Wwrite-strings -Wstrict-prototypes \
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-Wmissing-prototypes -Wmissing-declarations -Wnested-externs \
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-Wpacked -Wswitch-enum -Wmissing-format-attribute \
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-Wstrict-aliasing=2 -Winit-self -Wunsafe-loop-optimizations \
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-Wdeclaration-after-statement -Wold-style-definition \
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-Wno-missing-field-initializers -Wno-unused-parameter \
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-Wno-attributes -Wno-long-long -Winline"
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# invalidate cached value if MAYBE_WARN has changed
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if test "x$libdrm_cv_warn_maybe" != "x$MAYBE_WARN"; then
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unset libdrm_cv_warn_cflags
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fi
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AC_CACHE_CHECK([for supported warning flags], libdrm_cv_warn_cflags, [
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echo
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WARN_CFLAGS=""
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# Some warning options are not supported by all versions of
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# gcc, so test all desired options against the current
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# compiler.
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#
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# Note that there are some order dependencies
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# here. Specifically, an option that disables a warning will
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# have no net effect if a later option then enables that
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# warnings, (perhaps implicitly). So we put some grouped
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# options (-Wall and -Wextra) up front and the -Wno options
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# last.
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for W in $MAYBE_WARN; do
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LIBDRM_CC_TRY_FLAG([$W], [WARN_CFLAGS="$WARN_CFLAGS $W"])
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done
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libdrm_cv_warn_cflags=$WARN_CFLAGS
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libdrm_cv_warn_maybe=$MAYBE_WARN
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AC_MSG_CHECKING([which warning flags were supported])])
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WARN_CFLAGS="$libdrm_cv_warn_cflags"
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AC_SUBST(WARN_CFLAGS)
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AC_OUTPUT([
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Makefile
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libdrm/Makefile
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libdrm/intel/Makefile
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shared-core/Makefile
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tests/Makefile
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libdrm.pc])
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