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comparison mupdf-source/thirdparty/harfbuzz/m4/ax_code_coverage.m4 @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1:1d09e1dec1d9 2:b50eed0cc0ef
1 # ===========================================================================
2 # https://www.gnu.org/software/autoconf-archive/ax_code_coverage.html
3 # ===========================================================================
4 #
5 # SYNOPSIS
6 #
7 # AX_CODE_COVERAGE()
8 #
9 # DESCRIPTION
10 #
11 # Defines CODE_COVERAGE_CPPFLAGS, CODE_COVERAGE_CFLAGS,
12 # CODE_COVERAGE_CXXFLAGS and CODE_COVERAGE_LIBS which should be included
13 # in the CPPFLAGS, CFLAGS CXXFLAGS and LIBS/LIBADD variables of every
14 # build target (program or library) which should be built with code
15 # coverage support. Also defines CODE_COVERAGE_RULES which should be
16 # substituted in your Makefile; and $enable_code_coverage which can be
17 # used in subsequent configure output. CODE_COVERAGE_ENABLED is defined
18 # and substituted, and corresponds to the value of the
19 # --enable-code-coverage option, which defaults to being disabled.
20 #
21 # Test also for gcov program and create GCOV variable that could be
22 # substituted.
23 #
24 # Note that all optimization flags in CFLAGS must be disabled when code
25 # coverage is enabled.
26 #
27 # Usage example:
28 #
29 # configure.ac:
30 #
31 # AX_CODE_COVERAGE
32 #
33 # Makefile.am:
34 #
35 # @CODE_COVERAGE_RULES@
36 # my_program_LIBS = ... $(CODE_COVERAGE_LIBS) ...
37 # my_program_CPPFLAGS = ... $(CODE_COVERAGE_CPPFLAGS) ...
38 # my_program_CFLAGS = ... $(CODE_COVERAGE_CFLAGS) ...
39 # my_program_CXXFLAGS = ... $(CODE_COVERAGE_CXXFLAGS) ...
40 #
41 # This results in a "check-code-coverage" rule being added to any
42 # Makefile.am which includes "@CODE_COVERAGE_RULES@" (assuming the module
43 # has been configured with --enable-code-coverage). Running `make
44 # check-code-coverage` in that directory will run the module's test suite
45 # (`make check`) and build a code coverage report detailing the code which
46 # was touched, then print the URI for the report.
47 #
48 # In earlier versions of this macro, CODE_COVERAGE_LDFLAGS was defined
49 # instead of CODE_COVERAGE_LIBS. They are both still defined, but use of
50 # CODE_COVERAGE_LIBS is preferred for clarity; CODE_COVERAGE_LDFLAGS is
51 # deprecated. They have the same value.
52 #
53 # This code was derived from Makefile.decl in GLib, originally licenced
54 # under LGPLv2.1+.
55 #
56 # LICENSE
57 #
58 # Copyright (c) 2012, 2016 Philip Withnall
59 # Copyright (c) 2012 Xan Lopez
60 # Copyright (c) 2012 Christian Persch
61 # Copyright (c) 2012 Paolo Borelli
62 # Copyright (c) 2012 Dan Winship
63 # Copyright (c) 2015 Bastien ROUCARIES
64 #
65 # This library is free software; you can redistribute it and/or modify it
66 # under the terms of the GNU Lesser General Public License as published by
67 # the Free Software Foundation; either version 2.1 of the License, or (at
68 # your option) any later version.
69 #
70 # This library is distributed in the hope that it will be useful, but
71 # WITHOUT ANY WARRANTY; without even the implied warranty of
72 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
73 # General Public License for more details.
74 #
75 # You should have received a copy of the GNU Lesser General Public License
76 # along with this program. If not, see <https://www.gnu.org/licenses/>.
77
78 #serial 25
79
80 AC_DEFUN([AX_CODE_COVERAGE],[
81 dnl Check for --enable-code-coverage
82 AC_REQUIRE([AC_PROG_SED])
83
84 # allow to override gcov location
85 AC_ARG_WITH([gcov],
86 [AS_HELP_STRING([--with-gcov[=GCOV]], [use given GCOV for coverage (GCOV=gcov).])],
87 [_AX_CODE_COVERAGE_GCOV_PROG_WITH=$with_gcov],
88 [_AX_CODE_COVERAGE_GCOV_PROG_WITH=gcov])
89
90 AC_MSG_CHECKING([whether to build with code coverage support])
91 AC_ARG_ENABLE([code-coverage],
92 AS_HELP_STRING([--enable-code-coverage],
93 [Whether to enable code coverage support]),,
94 enable_code_coverage=no)
95
96 AM_CONDITIONAL([CODE_COVERAGE_ENABLED], [test x$enable_code_coverage = xyes])
97 AC_SUBST([CODE_COVERAGE_ENABLED], [$enable_code_coverage])
98 AC_MSG_RESULT($enable_code_coverage)
99
100 AS_IF([ test "$enable_code_coverage" = "yes" ], [
101 # check for gcov
102 AC_CHECK_TOOL([GCOV],
103 [$_AX_CODE_COVERAGE_GCOV_PROG_WITH],
104 [:])
105 AS_IF([test "X$GCOV" = "X:"],
106 [AC_MSG_ERROR([gcov is needed to do coverage])])
107 AC_SUBST([GCOV])
108
109 dnl Check if gcc is being used
110 AS_IF([ test "$GCC" = "no" ], [
111 AC_MSG_ERROR([not compiling with gcc, which is required for gcov code coverage])
112 ])
113
114 AC_CHECK_PROG([LCOV], [lcov], [lcov])
115 AC_CHECK_PROG([GENHTML], [genhtml], [genhtml])
116
117 AS_IF([ test -z "$LCOV" ], [
118 AC_MSG_ERROR([To enable code coverage reporting you must have lcov installed])
119 ])
120
121 AS_IF([ test -z "$GENHTML" ], [
122 AC_MSG_ERROR([Could not find genhtml from the lcov package])
123 ])
124
125 dnl Build the code coverage flags
126 dnl Define CODE_COVERAGE_LDFLAGS for backwards compatibility
127 CODE_COVERAGE_CPPFLAGS="-DNDEBUG"
128 CODE_COVERAGE_CFLAGS="-O0 -g -fprofile-arcs -ftest-coverage"
129 CODE_COVERAGE_CXXFLAGS="-O0 -g -fprofile-arcs -ftest-coverage"
130 CODE_COVERAGE_LIBS="-lgcov"
131 CODE_COVERAGE_LDFLAGS="$CODE_COVERAGE_LIBS"
132
133 AC_SUBST([CODE_COVERAGE_CPPFLAGS])
134 AC_SUBST([CODE_COVERAGE_CFLAGS])
135 AC_SUBST([CODE_COVERAGE_CXXFLAGS])
136 AC_SUBST([CODE_COVERAGE_LIBS])
137 AC_SUBST([CODE_COVERAGE_LDFLAGS])
138
139 [CODE_COVERAGE_RULES_CHECK='
140 -$(A''M_V_at)$(MAKE) $(AM_MAKEFLAGS) -k check
141 $(A''M_V_at)$(MAKE) $(AM_MAKEFLAGS) code-coverage-capture
142 ']
143 [CODE_COVERAGE_RULES_CAPTURE='
144 $(code_coverage_v_lcov_cap)$(LCOV) $(code_coverage_quiet) $(addprefix --directory ,$(CODE_COVERAGE_DIRECTORY)) --capture --output-file "$(CODE_COVERAGE_OUTPUT_FILE).tmp" --test-name "$(call code_coverage_sanitize,$(PACKAGE_NAME)-$(PACKAGE_VERSION))" --no-checksum --compat-libtool $(CODE_COVERAGE_LCOV_SHOPTS) $(CODE_COVERAGE_LCOV_OPTIONS)
145 $(code_coverage_v_lcov_ign)$(LCOV) $(code_coverage_quiet) $(addprefix --directory ,$(CODE_COVERAGE_DIRECTORY)) --remove "$(CODE_COVERAGE_OUTPUT_FILE).tmp" "/tmp/*" $(CODE_COVERAGE_IGNORE_PATTERN) --output-file "$(CODE_COVERAGE_OUTPUT_FILE)" $(CODE_COVERAGE_LCOV_SHOPTS) $(CODE_COVERAGE_LCOV_RMOPTS)
146 -@rm -f $(CODE_COVERAGE_OUTPUT_FILE).tmp
147 $(code_coverage_v_genhtml)LANG=C $(GENHTML) $(code_coverage_quiet) $(addprefix --prefix ,$(CODE_COVERAGE_DIRECTORY)) --output-directory "$(CODE_COVERAGE_OUTPUT_DIRECTORY)" --title "$(PACKAGE_NAME)-$(PACKAGE_VERSION) Code Coverage" --legend --show-details "$(CODE_COVERAGE_OUTPUT_FILE)" $(CODE_COVERAGE_GENHTML_OPTIONS)
148 @echo "file://$(abs_builddir)/$(CODE_COVERAGE_OUTPUT_DIRECTORY)/index.html"
149 ']
150 [CODE_COVERAGE_RULES_CLEAN='
151 clean: code-coverage-clean
152 distclean: code-coverage-clean
153 code-coverage-clean:
154 -$(LCOV) --directory $(top_builddir) -z
155 -rm -rf $(CODE_COVERAGE_OUTPUT_FILE) $(CODE_COVERAGE_OUTPUT_FILE).tmp $(CODE_COVERAGE_OUTPUT_DIRECTORY)
156 -find . \( -name "*.gcda" -o -name "*.gcno" -o -name "*.gcov" \) -delete
157 ']
158 ], [
159 [CODE_COVERAGE_RULES_CHECK='
160 @echo "Need to reconfigure with --enable-code-coverage"
161 ']
162 CODE_COVERAGE_RULES_CAPTURE="$CODE_COVERAGE_RULES_CHECK"
163 CODE_COVERAGE_RULES_CLEAN=''
164 ])
165
166 [CODE_COVERAGE_RULES='
167 # Code coverage
168 #
169 # Optional:
170 # - CODE_COVERAGE_DIRECTORY: Top-level directory for code coverage reporting.
171 # Multiple directories may be specified, separated by whitespace.
172 # (Default: $(top_builddir))
173 # - CODE_COVERAGE_OUTPUT_FILE: Filename and path for the .info file generated
174 # by lcov for code coverage. (Default:
175 # $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage.info)
176 # - CODE_COVERAGE_OUTPUT_DIRECTORY: Directory for generated code coverage
177 # reports to be created. (Default:
178 # $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage)
179 # - CODE_COVERAGE_BRANCH_COVERAGE: Set to 1 to enforce branch coverage,
180 # set to 0 to disable it and leave empty to stay with the default.
181 # (Default: empty)
182 # - CODE_COVERAGE_LCOV_SHOPTS_DEFAULT: Extra options shared between both lcov
183 # instances. (Default: based on $CODE_COVERAGE_BRANCH_COVERAGE)
184 # - CODE_COVERAGE_LCOV_SHOPTS: Extra options to shared between both lcov
185 # instances. (Default: $CODE_COVERAGE_LCOV_SHOPTS_DEFAULT)
186 # - CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH: --gcov-tool pathtogcov
187 # - CODE_COVERAGE_LCOV_OPTIONS_DEFAULT: Extra options to pass to the
188 # collecting lcov instance. (Default: $CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH)
189 # - CODE_COVERAGE_LCOV_OPTIONS: Extra options to pass to the collecting lcov
190 # instance. (Default: $CODE_COVERAGE_LCOV_OPTIONS_DEFAULT)
191 # - CODE_COVERAGE_LCOV_RMOPTS_DEFAULT: Extra options to pass to the filtering
192 # lcov instance. (Default: empty)
193 # - CODE_COVERAGE_LCOV_RMOPTS: Extra options to pass to the filtering lcov
194 # instance. (Default: $CODE_COVERAGE_LCOV_RMOPTS_DEFAULT)
195 # - CODE_COVERAGE_GENHTML_OPTIONS_DEFAULT: Extra options to pass to the
196 # genhtml instance. (Default: based on $CODE_COVERAGE_BRANCH_COVERAGE)
197 # - CODE_COVERAGE_GENHTML_OPTIONS: Extra options to pass to the genhtml
198 # instance. (Default: $CODE_COVERAGE_GENHTML_OPTIONS_DEFAULT)
199 # - CODE_COVERAGE_IGNORE_PATTERN: Extra glob pattern of files to ignore
200 #
201 # The generated report will be titled using the $(PACKAGE_NAME) and
202 # $(PACKAGE_VERSION). In order to add the current git hash to the title,
203 # use the git-version-gen script, available online.
204
205 # Optional variables
206 CODE_COVERAGE_DIRECTORY ?= $(top_builddir)
207 CODE_COVERAGE_OUTPUT_FILE ?= $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage.info
208 CODE_COVERAGE_OUTPUT_DIRECTORY ?= $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage
209 CODE_COVERAGE_BRANCH_COVERAGE ?=
210 CODE_COVERAGE_LCOV_SHOPTS_DEFAULT ?= $(if $(CODE_COVERAGE_BRANCH_COVERAGE),\
211 --rc lcov_branch_coverage=$(CODE_COVERAGE_BRANCH_COVERAGE))
212 CODE_COVERAGE_LCOV_SHOPTS ?= $(CODE_COVERAGE_LCOV_SHOPTS_DEFAULT)
213 CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH ?= --gcov-tool "$(GCOV)"
214 CODE_COVERAGE_LCOV_OPTIONS_DEFAULT ?= $(CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH)
215 CODE_COVERAGE_LCOV_OPTIONS ?= $(CODE_COVERAGE_LCOV_OPTIONS_DEFAULT)
216 CODE_COVERAGE_LCOV_RMOPTS_DEFAULT ?=
217 CODE_COVERAGE_LCOV_RMOPTS ?= $(CODE_COVERAGE_LCOV_RMOPTS_DEFAULT)
218 CODE_COVERAGE_GENHTML_OPTIONS_DEFAULT ?=\
219 $(if $(CODE_COVERAGE_BRANCH_COVERAGE),\
220 --rc genhtml_branch_coverage=$(CODE_COVERAGE_BRANCH_COVERAGE))
221 CODE_COVERAGE_GENHTML_OPTIONS ?= $(CODE_COVERAGE_GENHTML_OPTIONS_DEFAULT)
222 CODE_COVERAGE_IGNORE_PATTERN ?=
223
224 GITIGNOREFILES ?=
225 GITIGNOREFILES += $(CODE_COVERAGE_OUTPUT_FILE) $(CODE_COVERAGE_OUTPUT_DIRECTORY)
226
227 code_coverage_v_lcov_cap = $(code_coverage_v_lcov_cap_$(V))
228 code_coverage_v_lcov_cap_ = $(code_coverage_v_lcov_cap_$(AM_DEFAULT_VERBOSITY))
229 code_coverage_v_lcov_cap_0 = @echo " LCOV --capture"\
230 $(CODE_COVERAGE_OUTPUT_FILE);
231 code_coverage_v_lcov_ign = $(code_coverage_v_lcov_ign_$(V))
232 code_coverage_v_lcov_ign_ = $(code_coverage_v_lcov_ign_$(AM_DEFAULT_VERBOSITY))
233 code_coverage_v_lcov_ign_0 = @echo " LCOV --remove /tmp/*"\
234 $(CODE_COVERAGE_IGNORE_PATTERN);
235 code_coverage_v_genhtml = $(code_coverage_v_genhtml_$(V))
236 code_coverage_v_genhtml_ = $(code_coverage_v_genhtml_$(AM_DEFAULT_VERBOSITY))
237 code_coverage_v_genhtml_0 = @echo " GEN " $(CODE_COVERAGE_OUTPUT_DIRECTORY);
238 code_coverage_quiet = $(code_coverage_quiet_$(V))
239 code_coverage_quiet_ = $(code_coverage_quiet_$(AM_DEFAULT_VERBOSITY))
240 code_coverage_quiet_0 = --quiet
241
242 # sanitizes the test-name: replaces with underscores: dashes and dots
243 code_coverage_sanitize = $(subst -,_,$(subst .,_,$(1)))
244
245 # Use recursive makes in order to ignore errors during check
246 check-code-coverage:'"$CODE_COVERAGE_RULES_CHECK"'
247
248 # Capture code coverage data
249 code-coverage-capture: code-coverage-capture-hook'"$CODE_COVERAGE_RULES_CAPTURE"'
250
251 # Hook rule executed before code-coverage-capture, overridable by the user
252 code-coverage-capture-hook:
253
254 '"$CODE_COVERAGE_RULES_CLEAN"'
255
256 A''M_DISTCHECK_CONFIGURE_FLAGS ?=
257 A''M_DISTCHECK_CONFIGURE_FLAGS += --disable-code-coverage
258
259 .PHONY: check-code-coverage code-coverage-capture code-coverage-capture-hook code-coverage-clean
260 ']
261
262 AC_SUBST([CODE_COVERAGE_RULES])
263 m4_ifdef([_AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE([CODE_COVERAGE_RULES])])
264 ])