Merge pull request #2897 from rouault/fix_2852

CMake build: generate invproj/invgeod binaries (symlinks on Unix, copy otherwise) (fixes #2852)

5 files changed, 73 insertions, 3 deletions

diff --git a/src/Makefile.am b/src/Makefile.am
index 0723d942..1e847080 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -25,10 +25,12 @@ EXTRA_DIST = bin_cct.cmake bin_gie.cmake bin_cs2cs.cmake \
 	apps/projsync.cpp
 
 proj_SOURCES = apps/proj.cpp apps/emess.cpp apps/utils.cpp
+invproj_SOURCES = $(proj_SOURCES)
 projinfo_SOURCES = apps/projinfo.cpp
 cs2cs_SOURCES = apps/cs2cs.cpp apps/emess.cpp apps/utils.cpp
 cct_SOURCES = apps/cct.cpp apps/proj_strtod.cpp apps/proj_strtod.h apps/optargpm.h
 geod_SOURCES = apps/geod.cpp apps/geod_set.cpp apps/geod_interface.cpp apps/geod_interface.h apps/emess.cpp
+invgeod_SOURCES = $(geod_SOURCES)
 
 if HAVE_CURL
 projsync_SOURCES = apps/projsync.cpp
@@ -37,6 +39,7 @@ PROJSYNC_BIN = projsync
 endif
 
 bin_PROGRAMS =	proj geod cs2cs gie cct projinfo $(PROJSYNC_BIN)
+noinst_PROGRAMS = invproj invgeod
 
 gie_SOURCES = apps/gie.cpp apps/proj_strtod.cpp apps/proj_strtod.h apps/optargpm.h
 multistresstest_SOURCES = tests/multistresstest.cpp
@@ -45,7 +48,9 @@ geodtest_SOURCES = tests/geodtest.cpp
 cct_LDADD = libproj.la
 cs2cs_LDADD = libproj.la
 geod_LDADD = libproj.la
+invgeod_LDADD = $(geod_LDADD)
 proj_LDADD = libproj.la
+invproj_LDADD = $(proj_LDADD)
 projinfo_LDADD = libproj.la
 
 gie_LDADD = libproj.la
@@ -276,7 +281,6 @@ wkt2_parser:
 	sed "s/\*yyssp = yystate/\*yyssp = (yytype_int16)yystate/" < $(top_srcdir)/src/wkt2_generated_parser.c | sed "s/yyerrorlab:/#if 0\nyyerrorlab:/" | sed "s/yyerrlab1:/#endif\nyyerrlab1:/" | sed "s/for (yylen = 0; yystr\[yylen\]; yylen++)/for (yylen = 0; yystr \&\& yystr\[yylen\]; yylen++)/"| sed "s/return yystpcpy (yyres, yystr) - yyres;/return (YYPTRDIFF_T)(yystpcpy (yyres, yystr) - yyres);/" | sed "s/YYPTRDIFF_T yysize = yyssp - yyss + 1;/YYPTRDIFF_T yysize = (YYPTRDIFF_T)(yyssp - yyss + 1);/"> $(top_srcdir)/src/wkt2_generated_parser.c.tmp
 	mv $(top_srcdir)/src/wkt2_generated_parser.c.tmp $(top_srcdir)/src/wkt2_generated_parser.c
 
-
 install-exec-local: install-binPROGRAMS
 	rm -f $(DESTDIR)$(bindir)/invproj$(EXEEXT)
 	(cd $(DESTDIR)$(bindir); ln -s proj$(EXEEXT) invproj$(EXEEXT))
diff --git a/src/apps/geod.cpp b/src/apps/geod.cpp
index 35a8e826..6e3f059e 100644
--- a/src/apps/geod.cpp
+++ b/src/apps/geod.cpp
@@ -138,7 +138,8 @@ int main(int argc, char **argv) {
 
 	if ((emess_dat.Prog_name = strrchr(*argv,'/')) != nullptr) ++emess_dat.Prog_name;
 	else emess_dat.Prog_name = *argv;
-	inverse = ! strncmp(emess_dat.Prog_name, "inv", 3);
+	inverse = strncmp(emess_dat.Prog_name, "inv", 3) == 0 ||
+	          strncmp(emess_dat.Prog_name, "lt-inv", 6) == 0; // older libtool have a lt- prefix
 	if (argc <= 1 ) {
 		(void)fprintf(stderr, usage, pj_get_release(),
                               emess_dat.Prog_name);
diff --git a/src/apps/proj.cpp b/src/apps/proj.cpp
index 6368ef2c..f93164e0 100644
--- a/src/apps/proj.cpp
+++ b/src/apps/proj.cpp
@@ -303,7 +303,8 @@ int main(int argc, char **argv) {
     if ( (emess_dat.Prog_name = strrchr(*argv,DIR_CHAR)) != nullptr)
         ++emess_dat.Prog_name;
     else emess_dat.Prog_name = *argv;
-    inverse = ! strncmp(emess_dat.Prog_name, "inv", 3);
+    inverse = strncmp(emess_dat.Prog_name, "inv", 3) == 0 ||
+              strncmp(emess_dat.Prog_name, "lt-inv", 6) == 0; // older libtool have a lt- prefix
     if (argc <= 1 ) {
         (void)fprintf(stderr, usage, pj_get_release(), emess_dat.Prog_name);
         exit (0);
diff --git a/src/bin_geod.cmake b/src/bin_geod.cmake
index 4ec28b04..4d91628a 100644
--- a/src/bin_geod.cmake
+++ b/src/bin_geod.cmake
@@ -18,3 +18,35 @@ install(TARGETS geod
 if(MSVC AND BUILD_SHARED_LIBS)
   target_compile_definitions(geod PRIVATE PROJ_MSVC_DLL_IMPORT=1)
 endif()
+
+# invgeod target: symlink or copy of geod executable
+
+set(link_target "${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/invgeod${CMAKE_EXECUTABLE_SUFFIX}")
+set(link_source "geod${CMAKE_EXECUTABLE_SUFFIX}")
+
+if(UNIX)
+    add_custom_command(
+      OUTPUT ${link_target}
+      COMMAND ${CMAKE_COMMAND} -E create_symlink ${link_source} ${link_target}
+      WORKING_DIRECTORY "${CMAKE_RUNTIME_OUTPUT_DIRECTORY}"
+      DEPENDS geod
+      COMMENT "Generating invgeod"
+      VERBATIM
+    )
+else()
+    # symlinks are supported on Windows in cmake >= 3.17, but
+    # symlinks on Windows are a bit tricky, so just copy
+
+    add_custom_command(
+      OUTPUT ${link_target}
+      COMMAND ${CMAKE_COMMAND} -E copy ${link_source} ${link_target}
+      WORKING_DIRECTORY "${CMAKE_RUNTIME_OUTPUT_DIRECTORY}"
+      DEPENDS geod
+      COMMENT "Generating invgeod"
+      VERBATIM
+    )
+endif()
+
+add_custom_target(invgeod ALL DEPENDS ${link_target})
+
+install(FILES ${link_target} DESTINATION ${BINDIR})
diff --git a/src/bin_proj.cmake b/src/bin_proj.cmake
index b5a4c140..2976b3da 100644
--- a/src/bin_proj.cmake
+++ b/src/bin_proj.cmake
@@ -19,3 +19,35 @@ install(TARGETS binproj
 if(MSVC AND BUILD_SHARED_LIBS)
   target_compile_definitions(binproj PRIVATE PROJ_MSVC_DLL_IMPORT=1)
 endif()
+
+# invproj target: symlink or copy of proj executable
+
+set(link_target "${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/invproj${CMAKE_EXECUTABLE_SUFFIX}")
+set(link_source "proj${CMAKE_EXECUTABLE_SUFFIX}")
+
+if(UNIX)
+    add_custom_command(
+      OUTPUT ${link_target}
+      COMMAND ${CMAKE_COMMAND} -E create_symlink ${link_source} ${link_target}
+      WORKING_DIRECTORY "${CMAKE_RUNTIME_OUTPUT_DIRECTORY}"
+      DEPENDS binproj
+      COMMENT "Generating invproj"
+      VERBATIM
+    )
+else()
+    # symlinks are supported on Windows in cmake >= 3.17, but
+    # symlinks on Windows are a bit tricky, so just copy
+
+    add_custom_command(
+      OUTPUT ${link_target}
+      COMMAND ${CMAKE_COMMAND} -E copy ${link_source} ${link_target}
+      WORKING_DIRECTORY "${CMAKE_RUNTIME_OUTPUT_DIRECTORY}"
+      DEPENDS binproj
+      COMMENT "Generating invproj"
+      VERBATIM
+    )
+endif()
+
+add_custom_target(invproj ALL DEPENDS ${link_target})
+
+install(FILES ${link_target} DESTINATION ${BINDIR})