projects / libgit2.git / blame
| Commit | Line | Data |
|---|---|---|
| e579e0f7 MB |
1 | # Specify regular expression implementation |
| 2 | find_package(PCRE) | |
| 3 | ||
| 4 | if(REGEX_BACKEND STREQUAL "") | |
| 5 | check_symbol_exists(regcomp_l "regex.h;xlocale.h" HAVE_REGCOMP_L) | |
| 6 | ||
| 7 | if(HAVE_REGCOMP_L) | |
| 8 | set(REGEX_BACKEND "regcomp_l") | |
| 9 | elseif(PCRE_FOUND) | |
| 10 | set(REGEX_BACKEND "pcre") | |
| 11 | else() | |
| 12 | set(REGEX_BACKEND "builtin") | |
| 13 | endif() | |
| 14 | endif() | |
| 15 | ||
| 16 | if(REGEX_BACKEND STREQUAL "regcomp_l") | |
| 17 | add_feature_info(regex ON "using system regcomp_l") | |
| 18 | set(GIT_REGEX_REGCOMP_L 1) | |
| 19 | elseif(REGEX_BACKEND STREQUAL "pcre2") | |
| 20 | find_package(PCRE2) | |
| 21 | ||
| 22 | if(NOT PCRE2_FOUND) | |
| 23 | MESSAGE(FATAL_ERROR "PCRE2 support was requested but not found") | |
| 24 | endif() | |
| 25 | ||
| 26 | add_feature_info(regex ON "using system PCRE2") | |
| 27 | set(GIT_REGEX_PCRE2 1) | |
| 28 | ||
| 29 | list(APPEND LIBGIT2_SYSTEM_INCLUDES ${PCRE2_INCLUDE_DIRS}) | |
| 30 | list(APPEND LIBGIT2_SYSTEM_LIBS ${PCRE2_LIBRARIES}) | |
| 31 | list(APPEND LIBGIT2_PC_REQUIRES "libpcre2-8") | |
| 32 | elseif(REGEX_BACKEND STREQUAL "pcre") | |
| 33 | add_feature_info(regex ON "using system PCRE") | |
| 34 | set(GIT_REGEX_PCRE 1) | |
| 35 | ||
| 36 | list(APPEND LIBGIT2_SYSTEM_INCLUDES ${PCRE_INCLUDE_DIRS}) | |
| 37 | list(APPEND LIBGIT2_SYSTEM_LIBS ${PCRE_LIBRARIES}) | |
| 38 | list(APPEND LIBGIT2_PC_REQUIRES "libpcre") | |
| 39 | elseif(REGEX_BACKEND STREQUAL "regcomp") | |
| 40 | add_feature_info(regex ON "using system regcomp") | |
| 41 | set(GIT_REGEX_REGCOMP 1) | |
| 42 | elseif(REGEX_BACKEND STREQUAL "builtin") | |
| 43 | add_feature_info(regex ON "using bundled PCRE") | |
| 44 | set(GIT_REGEX_BUILTIN 1) | |
| 45 | ||
| 46 | add_subdirectory("${PROJECT_SOURCE_DIR}/deps/pcre" "${PROJECT_BINARY_DIR}/deps/pcre") | |
| 47 | list(APPEND LIBGIT2_DEPENDENCY_INCLUDES "${PROJECT_SOURCE_DIR}/deps/pcre") | |
| 48 | list(APPEND LIBGIT2_DEPENDENCY_OBJECTS $<TARGET_OBJECTS:pcre>) | |
| 49 | else() | |
| 50 | message(FATAL_ERROR "The REGEX_BACKEND option provided is not supported") | |
| 51 | endif() |