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build: use custom command to create single versiondef (#22290)

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When using a multi config generator, CMake generates an output file for
each configuration when using file(GENERATE). When the contents of the
file for each configuration are different, CMake fails. Instead, create
separate files for each configuration and add a build time step to copy
the configuration specific file to the generic path "auto/versiondef.h"
which is included at build time.
This commit is contained in:
Gregory Anders 2023-02-16 13:52:41 -07:00 committed by GitHub
parent ced0cd12d0
commit bb377afd32
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 12 additions and 33 deletions
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13
cmake.config/CMakeLists.txt
View File

@ -161,18 +161,9 @@ configure_file (
"${PROJECT_BINARY_DIR}/cmake.config/auto/config.h"
)
# TODO(dundargoc): the following is a hack to work around the behavior of
# file(GENERATE) for multi-config generators, since it doesn't allow different
# output with the same filename. This should be fixed to be generator
# independent in the future.
get_property(isMultiConfig GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
if(isMultiConfig)
configure_file(versiondef-multi.h.in auto/versiondef.h.gen)
else()
configure_file(versiondef.h.in auto/versiondef.h.gen)
endif()
configure_file(versiondef.h.in auto/versiondef.h.gen)
file(GENERATE
OUTPUT "${PROJECT_BINARY_DIR}/cmake.config/auto/versiondef.h"
OUTPUT "${PROJECT_BINARY_DIR}/cmake.config/auto/versiondef-$<CONFIG>.h"
INPUT "${PROJECT_BINARY_DIR}/cmake.config/auto/versiondef.h.gen")
find_program(WHOAMI_PRG whoami)

21
cmake.config/versiondef-multi.h.in
View File

@ -1,21 +0,0 @@
#ifndef AUTO_VERSIONDEF_H
#define AUTO_VERSIONDEF_H
#define NVIM_VERSION_MAJOR @NVIM_VERSION_MAJOR@
#define NVIM_VERSION_MINOR @NVIM_VERSION_MINOR@
#define NVIM_VERSION_PATCH @NVIM_VERSION_PATCH@
#define NVIM_VERSION_PRERELEASE "@NVIM_VERSION_PRERELEASE@"
#cmakedefine NVIM_VERSION_MEDIUM "@NVIM_VERSION_MEDIUM@"
#ifndef NVIM_VERSION_MEDIUM
# include "auto/versiondef_git.h"
#endif
#define NVIM_API_LEVEL @NVIM_API_LEVEL@
#define NVIM_API_LEVEL_COMPAT @NVIM_API_LEVEL_COMPAT@
#define NVIM_API_PRERELEASE @NVIM_API_PRERELEASE@
#define NVIM_VERSION_CFLAGS "${CMAKE_C_COMPILER} $<JOIN:$<TARGET_PROPERTY:nvim,COMPILE_OPTIONS>, > -I$<JOIN:$<TARGET_PROPERTY:nvim,INCLUDE_DIRECTORIES>, -I>"
#define NVIM_VERSION_BUILD_TYPE "Unknown"
#endif // AUTO_VERSIONDEF_H

11
src/nvim/CMakeLists.txt
View File

@ -466,6 +466,15 @@ add_custom_target(update_version_stamp
-P ${PROJECT_SOURCE_DIR}/cmake/GenerateVersion.cmake
BYPRODUCTS ${NVIM_VERSION_GIT_H})
set(NVIM_VERSION_DEF_H ${PROJECT_BINARY_DIR}/cmake.config/auto/versiondef.h)
add_custom_command(
OUTPUT "${NVIM_VERSION_DEF_H}"
COMMAND "${CMAKE_COMMAND}"
-E copy
"${PROJECT_BINARY_DIR}/cmake.config/auto/versiondef-$<CONFIG>.h"
"${NVIM_VERSION_DEF_H}"
DEPENDS "${PROJECT_BINARY_DIR}/cmake.config/auto/versiondef-$<CONFIG>.h")
# NVIM_GENERATED_FOR_HEADERS: generated headers to be included in headers
# NVIM_GENERATED_FOR_SOURCES: generated headers to be included in sources
# NVIM_GENERATED_SOURCES: generated source files
@ -503,7 +512,7 @@ foreach(sfile ${NVIM_SOURCES}
set(depends "${HEADER_GENERATOR}" "${sfile}")
if("${f}" STREQUAL "version.c")
# Ensure auto/versiondef_git.h exists after "make clean".
list(APPEND depends update_version_stamp "${NVIM_VERSION_GIT_H}")
list(APPEND depends update_version_stamp "${NVIM_VERSION_GIT_H}" "${NVIM_VERSION_DEF_H}")
endif()
add_custom_command(
OUTPUT "${gf_c_h}" "${gf_h_h}"