forked from secondlife/3p-libpng
-
Notifications
You must be signed in to change notification settings - Fork 0
/
build-cmd.sh
226 lines (190 loc) · 8.99 KB
/
build-cmd.sh
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
#!/usr/bin/env bash
cd "$(dirname "$0")"
# turn on verbose debugging output for parabuild logs.
exec 4>&1; export BASH_XTRACEFD=4; set -x
# make errors fatal
set -e
# complain about unset env variables
set -u
PNG_SOURCE_DIR="libpng"
if [ -z "$AUTOBUILD" ] ; then
exit 1
fi
if [ "$OSTYPE" = "cygwin" ] ; then
autobuild="$(cygpath -u $AUTOBUILD)"
else
autobuild="$AUTOBUILD"
fi
stage="$(pwd)/stage"
# load autobuild-provided shell functions and variables
source_environment_tempfile="$stage/source_environment.sh"
"$autobuild" source_environment > "$source_environment_tempfile"
. "$source_environment_tempfile"
source "$(dirname "$AUTOBUILD_VARIABLES_FILE")/functions"
[ -f "$stage"/packages/include/zlib-ng/zlib.h ] || \
{ echo "Run 'autobuild install' first." 1>&2 ; exit 1; }
# One of makefiles looks for zlib in zlib\zlib.lib
if [ -d "$stage"/packages/include/zlib ] ; then
rm -r "$stage"/packages/include/zlib
fi
cp -r "$stage"/packages/include/zlib-ng "$stage"/packages/include/zlib
# Restore all .sos
restore_sos ()
{
for solib in "${stage}"/packages/lib/{debug,release}/lib*.so*.disable; do
if [ -f "$solib" ]; then
mv -f "$solib" "${solib%.disable}"
fi
done
}
# Restore all .dylibs
restore_dylibs ()
{
for dylib in "$stage/packages/lib"/{debug,release}/*.dylib.disable; do
if [ -f "$dylib" ]; then
mv "$dylib" "${dylib%.disable}"
fi
done
}
# Unlike grep, expr matches the specified pattern against a string also
# specified on its command line. So our first use of expr to obtain the
# version number went like this:
# expr "$(<libpng/png.h)" ...
# In other words, dump the entirety of png.h into expr's command line and
# search that. Unfortunately, png.h is long enough that on some (Linux!)
# platforms it's too long for the OS to pass. Now we use grep to find the
# right line, and expr to extract just the version number. Because of that, we
# state the relevant symbol name twice. Preface it with ".*" because expr
# implicitly anchors its search to the start of the input string.
symbol="PNG_LIBPNG_VER_STRING"
version="$(expr "$(grep "$symbol" libpng/png.h)" : ".*$symbol \"\([^\"]*\)\"")"
build=${AUTOBUILD_BUILD_ID:=0}
echo "${version}-${build}" > "${stage}/VERSION.txt"
pushd "$PNG_SOURCE_DIR"
case "$AUTOBUILD_PLATFORM" in
windows*)
load_vsvars
build_sln "projects/vstudio/vstudio.sln" "Release Library|$AUTOBUILD_WIN_VSPLATFORM" "pnglibconf"
build_sln "projects/vstudio/vstudio.sln" "Release Library|$AUTOBUILD_WIN_VSPLATFORM" "libpng"
mkdir -p "$stage/lib/release"
if [ "$AUTOBUILD_ADDRSIZE" = 32 ]
then bitdir=projects/vstudio/Release\ Library
else bitdir=projects/vstudio/x64/Release\ Library
fi
cp -a "$bitdir/libpng16.lib" "$stage/lib/release/libpng16.lib"
cp -a "$bitdir/libpng16.bsc" "$stage/lib/release/"
mkdir -p "$stage/include/libpng16"
cp -a {png.h,pngconf.h,pnglibconf.h} "$stage/include/libpng16"
;;
darwin*)
opts="${TARGET_OPTS:--arch $AUTOBUILD_CONFIGURE_ARCH $LL_BUILD_RELEASE}"
export CC=clang++
# Install name for dylibs (if we wanted to build them).
# The outline of a dylib build is here disabled by '#dylib#'
# comments. The basics: 'configure' won't tolerate an
# '-install_name' option in LDFLAGS so we have to use the
# 'install_name_tool' to modify the dylibs after-the-fact.
# This means that executables and test programs are built
# with a non-relative path which isn't ideal.
#
# Dylib builds should also have "-Wl,-headerpad_max_install_names"
# options to give the 'install_name_tool' space to work.
#
target_name="libpng16.16.dylib"
install_name="@executable_path/../Resources/${target_name}"
# Force libz static linkage by moving .dylibs out of the way
# (Libz is currently packaging only statics but keep this alive...)
trap restore_dylibs EXIT
for dylib in "$stage"/packages/lib/{debug,release}/libz*.dylib; do
if [ -f "$dylib" ]; then
mv "$dylib" "$dylib".disable
fi
done
# See "linux" section for goals/challenges here...
CFLAGS="$(remove_cxxstd $opts)" \
CXXFLAGS="$opts" \
CPPFLAGS="${CPPFLAGS:-} -I$stage/packages/include/zlib" \
LDFLAGS="-L$stage/packages/lib/release" \
./configure --prefix="$stage" --libdir="$stage/lib/release" \
--with-zlib-prefix="$stage/packages" --enable-shared=no --with-pic
make
make install
#dylib# install_name_tool -id "${install_name}" "${stage}/lib/release/${target_name}"
# conditionally run unit tests
#if [ "${DISABLE_UNIT_TESTS:-0}" = "0" ]; then
#dylib# mkdir -p ./Resources/
#dylib# ln -sf "${stage}"/lib/release/*.dylib ./Resources/
#make test
#dylib# Modify the unit test binaries after-the-fact to point
#dylib# to the expected path then run the tests again.
#dylib#
#dylib# install_name_tool -change "${stage}/lib/release/${target_name}" "${install_name}" .libs/pngtest
#dylib# install_name_tool -change "${stage}/lib/release/${target_name}" "${install_name}" .libs/pngstest
#dylib# install_name_tool -change "${stage}/lib/release/${target_name}" "${install_name}" .libs/pngunknown
#dylib# install_name_tool -change "${stage}/lib/release/${target_name}" "${install_name}" .libs/pngvalid
#dylib# make test
#dylib# rm -rf ./Resources/
#fi
# clean the build artifacts
make distclean
;;
linux*)
# Linux build environment at Linden comes pre-polluted with stuff that can
# seriously damage 3rd-party builds. Environmental garbage you can expect
# includes:
#
# DISTCC_POTENTIAL_HOSTS arch root CXXFLAGS
# DISTCC_LOCATION top branch CC
# DISTCC_HOSTS build_name suffix CXX
# LSDISTCC_ARGS repo prefix CFLAGS
# cxx_version AUTOBUILD SIGN CPPFLAGS
#
# So, clear out bits that shouldn't affect our configure-directed build
# but which do nonetheless.
#
# unset DISTCC_HOSTS CC CXX CFLAGS CPPFLAGS CXXFLAGS
# Default target per AUTOBUILD_ADDRSIZE
opts="${TARGET_OPTS:--m$AUTOBUILD_ADDRSIZE $LL_BUILD_RELEASE}"
# Handle any deliberate platform targeting
if [ -z "${TARGET_CPPFLAGS:-}" ]; then
# Remove sysroot contamination from build environment
unset CPPFLAGS
else
# Incorporate special pre-processing flags
export CPPFLAGS="$TARGET_CPPFLAGS"
fi
# Force static linkage to libz by moving .sos out of the way
# (Libz is only packaging statics right now but keep this working.)
trap restore_sos EXIT
for solib in "${stage}"/packages/lib/{debug,release}/libz.so*; do
if [ -f "$solib" ]; then
mv -f "$solib" "$solib".disable
fi
done
# 1.16 INSTALL claims ZLIBINC and ZLIBLIB env vars are active but this is not so.
# If you fail to pick up the correct version of zlib (from packages), the build
# will find the system's version and generate the wrong PNG_ZLIB_VERNUM definition
# in the build. Mostly you won't notice until certain things try to run. So
# check the generated pnglibconf.h when doing development and confirm it's correct.
#
# The sequence below has the effect of:
# * Producing only static libraries.
# * Builds all bin/* targets with static libraries.
# build the release version and link against the release zlib
CFLAGS="$(remove_cxxstd $opts)" \
CXXFLAGS="$opts" \
CPPFLAGS="${CPPFLAGS:-} -I$stage/packages/include/zlib" \
LDFLAGS="-L$stage/packages/lib/release" \
./configure --prefix="$stage" --libdir="$stage/lib/release" \
--includedir="$stage/include" --enable-shared=no --with-pic
make
make install
# clean the build artifacts
make distclean
;;
esac
mkdir -p "$stage/LICENSES"
cp -a LICENSE "$stage/LICENSES/libpng.txt"
popd
mkdir -p "$stage"/docs/libpng/
cp -a README.Linden "$stage"/docs/libpng/