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 # Programs which use C11 or C++11 atomics, like #include <atomic>,
148 # generally must link against -latomic on RISC-V
149 if test "x$OPENJDK_TARGET_OS" = xlinux && test "x$OPENJDK_TARGET_CPU" = xriscv64; then
150 BASIC_JDKLIB_LIBS="$BASIC_JDKLIB_LIBS -latomic"
151 BASIC_JVM_LIBS="$BASIC_JVM_LIBS -latomic"
152 fi
153
154 # perfstat lib
155 if test "x$OPENJDK_TARGET_OS" = xaix; then
156 BASIC_JVM_LIBS="$BASIC_JVM_LIBS -lperfstat"
157 fi
158
159 if test "x$OPENJDK_TARGET_OS" = xwindows; then
160 BASIC_JVM_LIBS="$BASIC_JVM_LIBS kernel32.lib user32.lib gdi32.lib winspool.lib \
161 comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib \
162 wsock32.lib winmm.lib version.lib psapi.lib"
163 fi
164
165 JDKLIB_LIBS="$BASIC_JDKLIB_LIBS"
166 JDKEXE_LIBS=""
167 JVM_LIBS="$BASIC_JVM_LIBS"
168 OPENJDK_BUILD_JDKLIB_LIBS="$BASIC_JDKLIB_LIBS"
169 OPENJDK_BUILD_JVM_LIBS="$BASIC_JVM_LIBS"
170
171 AC_SUBST(JDKLIB_LIBS)
172 AC_SUBST(JDKEXE_LIBS)
173 AC_SUBST(JVM_LIBS)
174 AC_SUBST(OPENJDK_BUILD_JDKLIB_LIBS)
175 AC_SUBST(OPENJDK_BUILD_JVM_LIBS)
176 ])
177
178 ################################################################################
179 # Setup various libraries, typically small system libraries
180 ################################################################################
181 AC_DEFUN_ONCE([LIB_SETUP_MISC_LIBS],
182 [
183 # Setup libm (the maths library)
184 if test "x$OPENJDK_TARGET_OS" != "xwindows"; then
185 AC_CHECK_LIB(m, cos, [], [
186 AC_MSG_NOTICE([Maths library was not found])
187 ])
188 LIBM="-lm"
189 else
190 LIBM=""
191 fi
192 AC_SUBST(LIBM)
193
194 # Setup libdl (for dynamic library loading)
195 save_LIBS="$LIBS"
196 LIBS=""
197 AC_CHECK_LIB(dl, dlopen)
198 LIBDL="$LIBS"
199 AC_SUBST(LIBDL)
200 LIBS="$save_LIBS"
201
202 # Control if libzip can use mmap. Available for purposes of overriding.
203 LIBZIP_CAN_USE_MMAP=true
204 AC_SUBST(LIBZIP_CAN_USE_MMAP)
205 ])