1 #
  2 # Copyright (c) 2011, 2021, Oracle and/or its affiliates. All rights reserved.
  3 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  4 #
  5 # This code is free software; you can redistribute it and/or modify it
  6 # under the terms of the GNU General Public License version 2 only, as
  7 # published by the Free Software Foundation.  Oracle designates this
  8 # particular file as subject to the "Classpath" exception as provided
  9 # by Oracle in the LICENSE file that accompanied this code.
 10 #
 11 # This code is distributed in the hope that it will be useful, but WITHOUT
 12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 13 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 14 # version 2 for more details (a copy is included in the LICENSE file that
 15 # accompanied this code).
 16 #
 17 # You should have received a copy of the GNU General Public License version
 18 # 2 along with this work; if not, write to the Free Software Foundation,
 19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 20 #
 21 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 22 # or visit www.oracle.com if you need additional information or have any
 23 # questions.
 24 #
 25 
 26 # Major library component reside in separate files.
 27 m4_include([lib-alsa.m4])
 28 m4_include([lib-bundled.m4])
 29 m4_include([lib-cups.m4])
 30 m4_include([lib-ffi.m4])
 31 m4_include([lib-freetype.m4])
 32 m4_include([lib-std.m4])
 33 m4_include([lib-x11.m4])
 34 m4_include([lib-fontconfig.m4])
 35 m4_include([lib-tests.m4])
 36 
 37 ################################################################################
 38 # Determine which libraries are needed for this configuration
 39 ################################################################################
 40 AC_DEFUN_ONCE([LIB_DETERMINE_DEPENDENCIES],
 41 [
 42   # Check if X11 is needed
 43   if test "x$OPENJDK_TARGET_OS" = xwindows || test "x$OPENJDK_TARGET_OS" = xmacosx; then
 44     # No X11 support on windows or macosx
 45     NEEDS_LIB_X11=false
 46   else
 47     # All other instances need X11, even if building headless only, libawt still
 48     # needs X11 headers.
 49     NEEDS_LIB_X11=true
 50   fi
 51 
 52   # Check if fontconfig is needed
 53   if test "x$OPENJDK_TARGET_OS" = xwindows || test "x$OPENJDK_TARGET_OS" = xmacosx; then
 54     # No fontconfig support on windows or macosx
 55     NEEDS_LIB_FONTCONFIG=false
 56   else
 57     # All other instances need fontconfig, even if building headless only,
 58     # libawt still needs fontconfig headers.
 59     NEEDS_LIB_FONTCONFIG=true
 60   fi
 61 
 62   # Check if cups is needed
 63   if test "x$OPENJDK_TARGET_OS" = xwindows; then
 64     # Windows have a separate print system
 65     NEEDS_LIB_CUPS=false
 66   else
 67     NEEDS_LIB_CUPS=true
 68   fi
 69 
 70   # A custom hook may have set this already
 71   if test "x$NEEDS_LIB_FREETYPE" = "x"; then
 72     NEEDS_LIB_FREETYPE=true
 73   fi
 74 
 75   # Check if alsa is needed
 76   if test "x$OPENJDK_TARGET_OS" = xlinux; then
 77     NEEDS_LIB_ALSA=true
 78   else
 79     NEEDS_LIB_ALSA=false
 80   fi
 81 
 82   # Check if ffi is needed
 83   if HOTSPOT_CHECK_JVM_VARIANT(zero); then
 84     NEEDS_LIB_FFI=true
 85   else
 86     NEEDS_LIB_FFI=false
 87   fi
 88 ])
 89 
 90 ################################################################################
 91 # Parse library options, and setup needed libraries
 92 ################################################################################
 93 AC_DEFUN_ONCE([LIB_SETUP_LIBRARIES],
 94 [
 95   LIB_SETUP_STD_LIBS
 96   LIB_SETUP_X11
 97   LIB_SETUP_CUPS
 98   LIB_SETUP_FONTCONFIG
 99   LIB_SETUP_FREETYPE
100   LIB_SETUP_ALSA
101   LIB_SETUP_LIBFFI
102   LIB_SETUP_BUNDLED_LIBS
103   LIB_SETUP_MISC_LIBS
104   LIB_TESTS_SETUP_GTEST
105 
106   BASIC_JDKLIB_LIBS=""
107   if test "x$TOOLCHAIN_TYPE" != xmicrosoft; then
108     BASIC_JDKLIB_LIBS="-ljava -ljvm"
109   fi
110 
111   # Math library
112   BASIC_JVM_LIBS="$LIBM"
113 
114   # Dynamic loading library
115   if test "x$OPENJDK_TARGET_OS" = xlinux || test "x$OPENJDK_TARGET_OS" = xaix; then
116     BASIC_JVM_LIBS="$BASIC_JVM_LIBS $LIBDL"
117   fi
118 
119   # Threading library
120   if test "x$OPENJDK_TARGET_OS" = xlinux || test "x$OPENJDK_TARGET_OS" = xaix; then
121     BASIC_JVM_LIBS="$BASIC_JVM_LIBS -lpthread"
122   fi
123 
124   # librt for legacy clock_gettime
125   if test "x$OPENJDK_TARGET_OS" = xlinux; then
126     # Hotspot needs to link librt to get the clock_* functions.
127     # But once our supported minimum build and runtime platform
128     # has glibc 2.17, this can be removed as the functions are
129     # in libc.
130     BASIC_JVM_LIBS="$BASIC_JVM_LIBS -lrt"
131   fi
132 
133   # Atomic library
134   # 32-bit platforms needs fallback library for 8-byte atomic ops on Zero
135   if HOTSPOT_CHECK_JVM_VARIANT(zero); then
136     if test "x$OPENJDK_TARGET_OS" = xlinux &&
137         (test "x$OPENJDK_TARGET_CPU" = xarm ||
138          test "x$OPENJDK_TARGET_CPU" = xm68k ||
139          test "x$OPENJDK_TARGET_CPU" = xmips ||
140          test "x$OPENJDK_TARGET_CPU" = xmipsel ||
141          test "x$OPENJDK_TARGET_CPU" = xppc ||
142          test "x$OPENJDK_TARGET_CPU" = xsh); then
143       BASIC_JVM_LIBS="$BASIC_JVM_LIBS -latomic"
144     fi
145   fi
146 
147   # perfstat lib
148   if test "x$OPENJDK_TARGET_OS" = xaix; then
149     BASIC_JVM_LIBS="$BASIC_JVM_LIBS -lperfstat"
150   fi
151 
152   if test "x$OPENJDK_TARGET_OS" = xwindows; then
153     BASIC_JVM_LIBS="$BASIC_JVM_LIBS kernel32.lib user32.lib gdi32.lib winspool.lib \
154         comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib \
155         wsock32.lib winmm.lib version.lib psapi.lib"
156   fi
157 
158   JDKLIB_LIBS="$BASIC_JDKLIB_LIBS"
159   JDKEXE_LIBS=""
160   JVM_LIBS="$BASIC_JVM_LIBS"
161   OPENJDK_BUILD_JDKLIB_LIBS="$BASIC_JDKLIB_LIBS"
162   OPENJDK_BUILD_JVM_LIBS="$BASIC_JVM_LIBS"
163 
164   AC_SUBST(JDKLIB_LIBS)
165   AC_SUBST(JDKEXE_LIBS)
166   AC_SUBST(JVM_LIBS)
167   AC_SUBST(OPENJDK_BUILD_JDKLIB_LIBS)
168   AC_SUBST(OPENJDK_BUILD_JVM_LIBS)
169 ])
170 
171 ################################################################################
172 # Setup various libraries, typically small system libraries
173 ################################################################################
174 AC_DEFUN_ONCE([LIB_SETUP_MISC_LIBS],
175 [
176   # Setup libm (the maths library)
177   if test "x$OPENJDK_TARGET_OS" != "xwindows"; then
178     AC_CHECK_LIB(m, cos, [], [
179         AC_MSG_NOTICE([Maths library was not found])
180     ])
181     LIBM="-lm"
182   else
183     LIBM=""
184   fi
185   AC_SUBST(LIBM)
186 
187   # Setup libdl (for dynamic library loading)
188   save_LIBS="$LIBS"
189   LIBS=""
190   AC_CHECK_LIB(dl, dlopen)
191   LIBDL="$LIBS"
192   AC_SUBST(LIBDL)
193   LIBS="$save_LIBS"
194 
195   # Control if libzip can use mmap. Available for purposes of overriding.
196   LIBZIP_CAN_USE_MMAP=true
197   AC_SUBST(LIBZIP_CAN_USE_MMAP)
198 ])