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cmake: build tool_hugehelp (ENABLE_MANUAL)

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Rather than always outputting an empty manual page for the '-M' option,
generate a full manual page as done by autotools. For simplicity in
CMake, always generate the gzipped page as it will not be used anyway
when zlib is not available.

Signed-off-by: Peter Wu <peter@lekensteyn.nl>
This commit is contained in:
Peter Wu 2014-10-12 11:27:07 +02:00 • committed by Daniel Stenberg
parent 87a3a924ce
commit b55502cdae
3 changed files with 65 additions and 7 deletions
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41
src/CMakeLists.txt
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@ -1,11 +1,38 @@
set(EXE_NAME curl)
# First try to locate tool_hugehelp.c to see if it has already been created
# TODO Find the file WITHOUT adding a cache entry!!! Or else the user can delete the file after the script was first run, and the script won't notice it has gone.
find_file(HUGEHELP_C_FILE tool_hugehelp.c PATHS . NO_DEFAULT_PATH)
if (NOT HUGEHELP_C_FILE)
message(STATUS "Warning: tool_hugehelp.c file was not generated before. Generating an 'empty' file...")
file(WRITE tool_hugehelp.c "/* built-in manual is disabled, blank function */\n#include \"tool_hugehelp.h\"\nvoid hugehelp(void) {}\n\n")
if(USE_MANUAL)
find_package(Perl REQUIRED)
# Use the C locale to ensure that only ASCII characters appear in the
# embedded text. NROFF and MANOPT are set in the parent CMakeLists.txt
add_custom_command(
OUTPUT tool_hugehelp.c
COMMAND echo "#include \"tool_setup.h\"" > tool_hugehelp.c
COMMAND echo "#ifndef HAVE_LIBZ" >> tool_hugehelp.c
COMMAND env LC_ALL=C "${NROFF}" ${NROFF_MANOPT}
"${CURL_SOURCE_DIR}/docs/curl.1" |
"${PERL}" "${CMAKE_CURRENT_SOURCE_DIR}/mkhelp.pl"
"${CURL_SOURCE_DIR}/docs/MANUAL" >> tool_hugehelp.c
COMMAND echo "#else" >> tool_hugehelp.c
COMMAND env LC_ALL=C "${NROFF}" ${NROFF_MANOPT}
"${CURL_SOURCE_DIR}/docs/curl.1" |
"${PERL}" "${CMAKE_CURRENT_SOURCE_DIR}/mkhelp.pl" -c
"${CURL_SOURCE_DIR}/docs/MANUAL" >> tool_hugehelp.c
COMMAND echo "#endif /* HAVE_LIBZ */" >> tool_hugehelp.c
DEPENDS
"${CURL_SOURCE_DIR}/docs/MANUAL"
"${CURL_SOURCE_DIR}/docs/curl.1"
"${CMAKE_CURRENT_SOURCE_DIR}/mkhelp.pl"
"${CMAKE_CURRENT_SOURCE_DIR}/tool_hugehelp.h"
VERBATIM)
else()
add_custom_command(
OUTPUT tool_hugehelp.c
COMMAND echo "/* built-in manual is disabled, blank function */" > tool_hugehelp.c
COMMAND echo "#include \"tool_hugehelp.h\"" >> tool_hugehelp.c
COMMAND echo "void hugehelp(void) {}" >> tool_hugehelp.c
DEPENDS
"${CMAKE_CURRENT_SOURCE_DIR}/tool_hugehelp.h"
VERBATIM)
endif()
transform_makefile_inc("Makefile.inc" "${CMAKE_CURRENT_BINARY_DIR}/Makefile.inc.cmake")
@ -28,6 +55,8 @@ include_directories(
${CURL_SOURCE_DIR}/lib # To be able to reach "curl_setup_once.h"
${CURL_BINARY_DIR}/lib # To be able to reach "curl_config.h"
${CURL_BINARY_DIR}/include # To be able to reach "curl/curlbuild.h"
# This is needed as tool_hugehelp.c is generated in the binary dir
${CURL_SOURCE_DIR}/src # To be able to reach "tool_hugehelp.h"
)
#Build cURL executable